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Repairs and Re-Setting System PC
Explain Repair Step PCExplain Repair Step PC
HOME
COMPETENCE MAPING
2 3
Mendiagnosis permasalahan pengoperasian PC yang tersambung jaringangnosis
Melakukan perbaikan dan atau setting ulang koneksi jaringan
an
Melakukan instalasi sistem operasi jaringan berbasis GUI (Graphical User
Interface) dan Text
Melakukan instalasi perangkat jaringan berbasis luas (Wide Area
Network)
Mendiagnosis permasalahan perangkat yang tersambung jaringan berbasis luas
(Wide Area Network)
Membuat desain sistem keamanan jaringan
Mendiagnosis permasalahan pengoperasian PC dan
periferal
Melakukan perbaikan dan atau setting ulang sistem PC
Melakukan perbaikan periferal
Melakukan instalasi software
Melakukan perawatan PC
Melakukan instalasi sistem operasi berbasis graphical user interface (GUI)
dan command line interface (CLI)
Melakukan instalasi perangkat jaringan lokal (Local Area
Network)
Menerapkan teknik elektronika analog dan digital dasar
Menerapkan fungsi peripheral dan instalasi PC
Melakukan perbaikan dan atau setting ulang koneksi jaringan berbasis luas
(Wide Area Network)
Mengadministrasi server dalam jaringan
Merancang bangun dan menganalisa Wide Area
Network
Merancang web data base untuk content server
Lulus
Melakukan instalasi sistem operasi dasar
Menerapkan K 3 LH
Merakit Personal Komputer
Dasar Kejuruan Level I ( Kelas X ) Level II ( Kelas XI ) Level III ( Kelas XII )1
Melakukan perbaikan dan atau setting ulang sistem
PC
Klik Disini
HOME
Module 5 Peripheral Perform Care
Explain Repair Step PCExplain Repair Step PC
Repair The PCRepair The PC
Investigate System Repair Result Investigate System Repair Result PC SupplyPC Supply
HOME
Module 4 Repairs and Re-Setting System PC
1 Training participants can diagnose problems and the operation of PC peripherals
2 Training participants are able to configure the device and determine the specification PC including components on the input process and output
Learning Objectives
Melakukan perbaikan dan atau setting ulang sistem PC
Step - Step Repairs PCStep - Step Repairs PC
bull To check the condition of computer hardware diagnostics should be performed namely
1 POST (Power-On Self-Test)
2 Common diagnosis (routine)
3 Diagnosis and the search for damage
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
The message can be a message display on the screen beep sound or both Indication of a problem during POST stated
ndash Error code two to five digit numberndash Error message the short message in English (there are several messages that indicate problemnya)
ndash Code beep beep sound sequence
POST test duration depends on the size of the memory capacity yangterpasangPOST does not check all additional equipment expansion such as printer modem etc
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
1 Diagnostic POST1 Diagnostic POST
HOME
Step - Step POSTStep - Step POST
One Long and one Short Beep = Motherboard issueTest 6 (Drive)6
check keyboardTest 5 (Keyboard)
5
check on the location of DRAM disampling with 16KB dicuplik
Test 4 (Memory)4
check the system control signal on the video card and monitor VRAM
Test 3 (Display)3
check the system timers DMAC DRAM 16KB initial location and PIC
Test 2 (Extended System)2
check power supply MPU bus and ROMTest 1 (Basic System)1
Code DescriptionBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Error Message During POSTError Message During POST
there are a number that indicates the display error codeTest 4 (Memory Error)
4
there are a number that indicates the display error codeTest 5 (Keyboard Error)
5
a display number 601 1780 or 1781 that shows the error codeTest 6 (Drive Error)
6
a sound long beep followed by two short beeps sound and the POST to continue with the next test
Test 3 (Display Error)3
one long beep sound followed by a short beep sound and POST execution stopped
Test 2 (Extended System Error)
2
the system stopped with no display and beep sound even though the cursor may appear
Test 1 (Basic System Error)
1
PesanPeringatan KesalahanGejalaNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Voters Error CodeVoters Error Code
Cable and a monitor or display1 short beep and no display6
Motherboard1 long beep and 1 short beep4
Video adapter Card1 long beep and 2 short beeps5
USB disk the disk or disk adapter1 short beep and would not boot7
Power SupplyShort beep repeatedly3
Power SupplyBeep continuously2
Power SupplyNo beep1
Voters Likely areas of damageCodeNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep Code on the AMI BIOSBeep Code on the AMI BIOS
DisplayRetrace test failed1 long 8 short13
ConventionalExtended memory failure1 long 3 short12
Cache Memory error11 short11
CMOS shutdown ReadWrite error10 short10
ROM BIOS checksum failure9 short9
Display memory ReadWrite test failure8 short8
Virtual mode exception error7 short7
Keyboard controller Gate A20 error6 short6
Process failure5 short5
System timer failure4 short4
Base 64K RAM failure3 short3
Parity circuit failure2 short2
DRAM refresh failure1 short1
Beep Code DescriptionsBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep code on the Award BIOSBeep code on the Award BIOS
Corruption in the memory module or memory videoBeep continuously 5
Damage at the VGA 1 long beep 3 short beeps
4
Damage in DRAM parity module1 long beep 2 short beeps 3
Memory Problem1 long beep
2
PC in a good condition 1 short beep 1
Message or Warning ErrorSymptomsNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep code on the IBM BIOSBeep code on the IBM BIOS
Keyboard Keyboard card errorThree Long Beeps9
Display Video Display CircuitryOne Beep Blank or Incorrect10
Video (EGA) Display CircuitryOne Long and Three Short Beeps8
Video (MonoCGA Display Circuitry) issueOne Long and Two short Beeps
7
Motherboard issueOne Long and one Short Beep6
No Power Loose Card or ShortRepeating Short Beep5
No Power Loose Card or ShortContinuous Beep4
POST error review screen for error code2 Short Beep3
Normal POST computer is ok1 Short Beep2
No Power Loose Card or ShortNo Beeps1
Code DescriptionBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Code Error MessageCode Error Message
POST damage on Unit I O expansion 180113
damage Unit I O expansion 18xx12
POST Damage on the units hard disk 170111
damaged hard disk 17xx10
damaged floppy drive 6019
damage POST or floppy drive adapter 6xx8
keyboard did not terespon 3017
damage the keyboard 3xx6
damaged RAM Test 2015
damage RAM Memory 2xx4
timer on the system board 1023
damage on the system board interrupt 1012
the system board 1xx1
DescriptionCodeNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 2 General diagnosisGeneral diagnosis
bull Includendashsystem configurationndashsystem configuration changesndashdisk format
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 3 Diagnosis and the search for damageDiagnosis and the search for damage
bull Diagnosis includes three categories namely
ndashsoftware (bad command or file name disk not ready internal error overflow)
ndashconfiguration error code (configuration too large for memory error 201 - system unit 601 x parity chech)
ndashsystem lockup
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull How do I solve the diagnosis and damage to the computer
bull What is POST and what can I do
TaskTurn on the PC observe and record the process going match with the theory that there is
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation
Repair The PCRepair The PC
Repairs and Re-Setting System PC
HOME
1 Training participants can diagnose the problems that some kinds of peripherals installed in the computer
2 Training participants can determine how to complete
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting MotherboardTroubleshooting Motherboard
To know the problems that may occur not Check connection cable and main power supply voltage DC
cablenot Check the keyboard cable connectionnot Check the monitor cable connection and a monitor power cablenot Check CMOS configuration settingsnot Check power cable connection and a USB data drivenot Check all daughter board or card inserted in the slot I Onot Check connection reset switchnot Check the position of the keyboard keysnot Check all IC installednot Check the boot diskette in drive Anot Check speaker connections
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
1 First Check Power SupplyCheck the power supply voltage level in the slot I O
Diagnosis
not What is the main card is connected properly
not What is power supply fan rotate
not What is the connection P8 and P9 are connected with the good
If there is no voltage level on the pin connection P8 and P9 power supply then a series of problems in the power supply
Improve power supply with how to change with the new power supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 Check 2 Clock signal
Measure signal CLK OSC PCLK RESET drv I O CH RDY I O CH chk pin slot on the I O with a logic probe or osiloskope
Diagnosisnot If no signal CLK OSC PCLK check the crystal and a series of
clock generatornot If the Reset drv always high check the power good signal a series
of power on reset and manual reset switch conditionnot If there is no signal I O CH RDY and I O CH chk check all loose
and daughter boards If still problematic the problem is on the motherboard and the series
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Checks 3 CPU and DMA
Check the signal ALE MEMR MEMW IOR IOW AEN with a logic probe or osiloskope
Diagnosisnot If the signal ALE MEMR MEMW IOR IOW not the credits check
the motherboard CPU
not If the signal AEN is not balance check the DMA
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
COMPETENCE MAPING
2 3
Mendiagnosis permasalahan pengoperasian PC yang tersambung jaringangnosis
Melakukan perbaikan dan atau setting ulang koneksi jaringan
an
Melakukan instalasi sistem operasi jaringan berbasis GUI (Graphical User
Interface) dan Text
Melakukan instalasi perangkat jaringan berbasis luas (Wide Area
Network)
Mendiagnosis permasalahan perangkat yang tersambung jaringan berbasis luas
(Wide Area Network)
Membuat desain sistem keamanan jaringan
Mendiagnosis permasalahan pengoperasian PC dan
periferal
Melakukan perbaikan dan atau setting ulang sistem PC
Melakukan perbaikan periferal
Melakukan instalasi software
Melakukan perawatan PC
Melakukan instalasi sistem operasi berbasis graphical user interface (GUI)
dan command line interface (CLI)
Melakukan instalasi perangkat jaringan lokal (Local Area
Network)
Menerapkan teknik elektronika analog dan digital dasar
Menerapkan fungsi peripheral dan instalasi PC
Melakukan perbaikan dan atau setting ulang koneksi jaringan berbasis luas
(Wide Area Network)
Mengadministrasi server dalam jaringan
Merancang bangun dan menganalisa Wide Area
Network
Merancang web data base untuk content server
Lulus
Melakukan instalasi sistem operasi dasar
Menerapkan K 3 LH
Merakit Personal Komputer
Dasar Kejuruan Level I ( Kelas X ) Level II ( Kelas XI ) Level III ( Kelas XII )1
Melakukan perbaikan dan atau setting ulang sistem
PC
Klik Disini
HOME
Module 5 Peripheral Perform Care
Explain Repair Step PCExplain Repair Step PC
Repair The PCRepair The PC
Investigate System Repair Result Investigate System Repair Result PC SupplyPC Supply
HOME
Module 4 Repairs and Re-Setting System PC
1 Training participants can diagnose problems and the operation of PC peripherals
2 Training participants are able to configure the device and determine the specification PC including components on the input process and output
Learning Objectives
Melakukan perbaikan dan atau setting ulang sistem PC
Step - Step Repairs PCStep - Step Repairs PC
bull To check the condition of computer hardware diagnostics should be performed namely
1 POST (Power-On Self-Test)
2 Common diagnosis (routine)
3 Diagnosis and the search for damage
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
The message can be a message display on the screen beep sound or both Indication of a problem during POST stated
ndash Error code two to five digit numberndash Error message the short message in English (there are several messages that indicate problemnya)
ndash Code beep beep sound sequence
POST test duration depends on the size of the memory capacity yangterpasangPOST does not check all additional equipment expansion such as printer modem etc
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
1 Diagnostic POST1 Diagnostic POST
HOME
Step - Step POSTStep - Step POST
One Long and one Short Beep = Motherboard issueTest 6 (Drive)6
check keyboardTest 5 (Keyboard)
5
check on the location of DRAM disampling with 16KB dicuplik
Test 4 (Memory)4
check the system control signal on the video card and monitor VRAM
Test 3 (Display)3
check the system timers DMAC DRAM 16KB initial location and PIC
Test 2 (Extended System)2
check power supply MPU bus and ROMTest 1 (Basic System)1
Code DescriptionBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Error Message During POSTError Message During POST
there are a number that indicates the display error codeTest 4 (Memory Error)
4
there are a number that indicates the display error codeTest 5 (Keyboard Error)
5
a display number 601 1780 or 1781 that shows the error codeTest 6 (Drive Error)
6
a sound long beep followed by two short beeps sound and the POST to continue with the next test
Test 3 (Display Error)3
one long beep sound followed by a short beep sound and POST execution stopped
Test 2 (Extended System Error)
2
the system stopped with no display and beep sound even though the cursor may appear
Test 1 (Basic System Error)
1
PesanPeringatan KesalahanGejalaNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Voters Error CodeVoters Error Code
Cable and a monitor or display1 short beep and no display6
Motherboard1 long beep and 1 short beep4
Video adapter Card1 long beep and 2 short beeps5
USB disk the disk or disk adapter1 short beep and would not boot7
Power SupplyShort beep repeatedly3
Power SupplyBeep continuously2
Power SupplyNo beep1
Voters Likely areas of damageCodeNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep Code on the AMI BIOSBeep Code on the AMI BIOS
DisplayRetrace test failed1 long 8 short13
ConventionalExtended memory failure1 long 3 short12
Cache Memory error11 short11
CMOS shutdown ReadWrite error10 short10
ROM BIOS checksum failure9 short9
Display memory ReadWrite test failure8 short8
Virtual mode exception error7 short7
Keyboard controller Gate A20 error6 short6
Process failure5 short5
System timer failure4 short4
Base 64K RAM failure3 short3
Parity circuit failure2 short2
DRAM refresh failure1 short1
Beep Code DescriptionsBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep code on the Award BIOSBeep code on the Award BIOS
Corruption in the memory module or memory videoBeep continuously 5
Damage at the VGA 1 long beep 3 short beeps
4
Damage in DRAM parity module1 long beep 2 short beeps 3
Memory Problem1 long beep
2
PC in a good condition 1 short beep 1
Message or Warning ErrorSymptomsNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep code on the IBM BIOSBeep code on the IBM BIOS
Keyboard Keyboard card errorThree Long Beeps9
Display Video Display CircuitryOne Beep Blank or Incorrect10
Video (EGA) Display CircuitryOne Long and Three Short Beeps8
Video (MonoCGA Display Circuitry) issueOne Long and Two short Beeps
7
Motherboard issueOne Long and one Short Beep6
No Power Loose Card or ShortRepeating Short Beep5
No Power Loose Card or ShortContinuous Beep4
POST error review screen for error code2 Short Beep3
Normal POST computer is ok1 Short Beep2
No Power Loose Card or ShortNo Beeps1
Code DescriptionBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Code Error MessageCode Error Message
POST damage on Unit I O expansion 180113
damage Unit I O expansion 18xx12
POST Damage on the units hard disk 170111
damaged hard disk 17xx10
damaged floppy drive 6019
damage POST or floppy drive adapter 6xx8
keyboard did not terespon 3017
damage the keyboard 3xx6
damaged RAM Test 2015
damage RAM Memory 2xx4
timer on the system board 1023
damage on the system board interrupt 1012
the system board 1xx1
DescriptionCodeNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 2 General diagnosisGeneral diagnosis
bull Includendashsystem configurationndashsystem configuration changesndashdisk format
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 3 Diagnosis and the search for damageDiagnosis and the search for damage
bull Diagnosis includes three categories namely
ndashsoftware (bad command or file name disk not ready internal error overflow)
ndashconfiguration error code (configuration too large for memory error 201 - system unit 601 x parity chech)
ndashsystem lockup
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull How do I solve the diagnosis and damage to the computer
bull What is POST and what can I do
TaskTurn on the PC observe and record the process going match with the theory that there is
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation
Repair The PCRepair The PC
Repairs and Re-Setting System PC
HOME
1 Training participants can diagnose the problems that some kinds of peripherals installed in the computer
2 Training participants can determine how to complete
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting MotherboardTroubleshooting Motherboard
To know the problems that may occur not Check connection cable and main power supply voltage DC
cablenot Check the keyboard cable connectionnot Check the monitor cable connection and a monitor power cablenot Check CMOS configuration settingsnot Check power cable connection and a USB data drivenot Check all daughter board or card inserted in the slot I Onot Check connection reset switchnot Check the position of the keyboard keysnot Check all IC installednot Check the boot diskette in drive Anot Check speaker connections
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
1 First Check Power SupplyCheck the power supply voltage level in the slot I O
Diagnosis
not What is the main card is connected properly
not What is power supply fan rotate
not What is the connection P8 and P9 are connected with the good
If there is no voltage level on the pin connection P8 and P9 power supply then a series of problems in the power supply
Improve power supply with how to change with the new power supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 Check 2 Clock signal
Measure signal CLK OSC PCLK RESET drv I O CH RDY I O CH chk pin slot on the I O with a logic probe or osiloskope
Diagnosisnot If no signal CLK OSC PCLK check the crystal and a series of
clock generatornot If the Reset drv always high check the power good signal a series
of power on reset and manual reset switch conditionnot If there is no signal I O CH RDY and I O CH chk check all loose
and daughter boards If still problematic the problem is on the motherboard and the series
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Checks 3 CPU and DMA
Check the signal ALE MEMR MEMW IOR IOW AEN with a logic probe or osiloskope
Diagnosisnot If the signal ALE MEMR MEMW IOR IOW not the credits check
the motherboard CPU
not If the signal AEN is not balance check the DMA
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
Module 5 Peripheral Perform Care
Explain Repair Step PCExplain Repair Step PC
Repair The PCRepair The PC
Investigate System Repair Result Investigate System Repair Result PC SupplyPC Supply
HOME
Module 4 Repairs and Re-Setting System PC
1 Training participants can diagnose problems and the operation of PC peripherals
2 Training participants are able to configure the device and determine the specification PC including components on the input process and output
Learning Objectives
Melakukan perbaikan dan atau setting ulang sistem PC
Step - Step Repairs PCStep - Step Repairs PC
bull To check the condition of computer hardware diagnostics should be performed namely
1 POST (Power-On Self-Test)
2 Common diagnosis (routine)
3 Diagnosis and the search for damage
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
The message can be a message display on the screen beep sound or both Indication of a problem during POST stated
ndash Error code two to five digit numberndash Error message the short message in English (there are several messages that indicate problemnya)
ndash Code beep beep sound sequence
POST test duration depends on the size of the memory capacity yangterpasangPOST does not check all additional equipment expansion such as printer modem etc
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
1 Diagnostic POST1 Diagnostic POST
HOME
Step - Step POSTStep - Step POST
One Long and one Short Beep = Motherboard issueTest 6 (Drive)6
check keyboardTest 5 (Keyboard)
5
check on the location of DRAM disampling with 16KB dicuplik
Test 4 (Memory)4
check the system control signal on the video card and monitor VRAM
Test 3 (Display)3
check the system timers DMAC DRAM 16KB initial location and PIC
Test 2 (Extended System)2
check power supply MPU bus and ROMTest 1 (Basic System)1
Code DescriptionBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Error Message During POSTError Message During POST
there are a number that indicates the display error codeTest 4 (Memory Error)
4
there are a number that indicates the display error codeTest 5 (Keyboard Error)
5
a display number 601 1780 or 1781 that shows the error codeTest 6 (Drive Error)
6
a sound long beep followed by two short beeps sound and the POST to continue with the next test
Test 3 (Display Error)3
one long beep sound followed by a short beep sound and POST execution stopped
Test 2 (Extended System Error)
2
the system stopped with no display and beep sound even though the cursor may appear
Test 1 (Basic System Error)
1
PesanPeringatan KesalahanGejalaNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Voters Error CodeVoters Error Code
Cable and a monitor or display1 short beep and no display6
Motherboard1 long beep and 1 short beep4
Video adapter Card1 long beep and 2 short beeps5
USB disk the disk or disk adapter1 short beep and would not boot7
Power SupplyShort beep repeatedly3
Power SupplyBeep continuously2
Power SupplyNo beep1
Voters Likely areas of damageCodeNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep Code on the AMI BIOSBeep Code on the AMI BIOS
DisplayRetrace test failed1 long 8 short13
ConventionalExtended memory failure1 long 3 short12
Cache Memory error11 short11
CMOS shutdown ReadWrite error10 short10
ROM BIOS checksum failure9 short9
Display memory ReadWrite test failure8 short8
Virtual mode exception error7 short7
Keyboard controller Gate A20 error6 short6
Process failure5 short5
System timer failure4 short4
Base 64K RAM failure3 short3
Parity circuit failure2 short2
DRAM refresh failure1 short1
Beep Code DescriptionsBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep code on the Award BIOSBeep code on the Award BIOS
Corruption in the memory module or memory videoBeep continuously 5
Damage at the VGA 1 long beep 3 short beeps
4
Damage in DRAM parity module1 long beep 2 short beeps 3
Memory Problem1 long beep
2
PC in a good condition 1 short beep 1
Message or Warning ErrorSymptomsNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep code on the IBM BIOSBeep code on the IBM BIOS
Keyboard Keyboard card errorThree Long Beeps9
Display Video Display CircuitryOne Beep Blank or Incorrect10
Video (EGA) Display CircuitryOne Long and Three Short Beeps8
Video (MonoCGA Display Circuitry) issueOne Long and Two short Beeps
7
Motherboard issueOne Long and one Short Beep6
No Power Loose Card or ShortRepeating Short Beep5
No Power Loose Card or ShortContinuous Beep4
POST error review screen for error code2 Short Beep3
Normal POST computer is ok1 Short Beep2
No Power Loose Card or ShortNo Beeps1
Code DescriptionBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Code Error MessageCode Error Message
POST damage on Unit I O expansion 180113
damage Unit I O expansion 18xx12
POST Damage on the units hard disk 170111
damaged hard disk 17xx10
damaged floppy drive 6019
damage POST or floppy drive adapter 6xx8
keyboard did not terespon 3017
damage the keyboard 3xx6
damaged RAM Test 2015
damage RAM Memory 2xx4
timer on the system board 1023
damage on the system board interrupt 1012
the system board 1xx1
DescriptionCodeNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 2 General diagnosisGeneral diagnosis
bull Includendashsystem configurationndashsystem configuration changesndashdisk format
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 3 Diagnosis and the search for damageDiagnosis and the search for damage
bull Diagnosis includes three categories namely
ndashsoftware (bad command or file name disk not ready internal error overflow)
ndashconfiguration error code (configuration too large for memory error 201 - system unit 601 x parity chech)
ndashsystem lockup
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull How do I solve the diagnosis and damage to the computer
bull What is POST and what can I do
TaskTurn on the PC observe and record the process going match with the theory that there is
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation
Repair The PCRepair The PC
Repairs and Re-Setting System PC
HOME
1 Training participants can diagnose the problems that some kinds of peripherals installed in the computer
2 Training participants can determine how to complete
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting MotherboardTroubleshooting Motherboard
To know the problems that may occur not Check connection cable and main power supply voltage DC
cablenot Check the keyboard cable connectionnot Check the monitor cable connection and a monitor power cablenot Check CMOS configuration settingsnot Check power cable connection and a USB data drivenot Check all daughter board or card inserted in the slot I Onot Check connection reset switchnot Check the position of the keyboard keysnot Check all IC installednot Check the boot diskette in drive Anot Check speaker connections
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
1 First Check Power SupplyCheck the power supply voltage level in the slot I O
Diagnosis
not What is the main card is connected properly
not What is power supply fan rotate
not What is the connection P8 and P9 are connected with the good
If there is no voltage level on the pin connection P8 and P9 power supply then a series of problems in the power supply
Improve power supply with how to change with the new power supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 Check 2 Clock signal
Measure signal CLK OSC PCLK RESET drv I O CH RDY I O CH chk pin slot on the I O with a logic probe or osiloskope
Diagnosisnot If no signal CLK OSC PCLK check the crystal and a series of
clock generatornot If the Reset drv always high check the power good signal a series
of power on reset and manual reset switch conditionnot If there is no signal I O CH RDY and I O CH chk check all loose
and daughter boards If still problematic the problem is on the motherboard and the series
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Checks 3 CPU and DMA
Check the signal ALE MEMR MEMW IOR IOW AEN with a logic probe or osiloskope
Diagnosisnot If the signal ALE MEMR MEMW IOR IOW not the credits check
the motherboard CPU
not If the signal AEN is not balance check the DMA
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
Module 4 Repairs and Re-Setting System PC
1 Training participants can diagnose problems and the operation of PC peripherals
2 Training participants are able to configure the device and determine the specification PC including components on the input process and output
Learning Objectives
Melakukan perbaikan dan atau setting ulang sistem PC
Step - Step Repairs PCStep - Step Repairs PC
bull To check the condition of computer hardware diagnostics should be performed namely
1 POST (Power-On Self-Test)
2 Common diagnosis (routine)
3 Diagnosis and the search for damage
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
The message can be a message display on the screen beep sound or both Indication of a problem during POST stated
ndash Error code two to five digit numberndash Error message the short message in English (there are several messages that indicate problemnya)
ndash Code beep beep sound sequence
POST test duration depends on the size of the memory capacity yangterpasangPOST does not check all additional equipment expansion such as printer modem etc
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
1 Diagnostic POST1 Diagnostic POST
HOME
Step - Step POSTStep - Step POST
One Long and one Short Beep = Motherboard issueTest 6 (Drive)6
check keyboardTest 5 (Keyboard)
5
check on the location of DRAM disampling with 16KB dicuplik
Test 4 (Memory)4
check the system control signal on the video card and monitor VRAM
Test 3 (Display)3
check the system timers DMAC DRAM 16KB initial location and PIC
Test 2 (Extended System)2
check power supply MPU bus and ROMTest 1 (Basic System)1
Code DescriptionBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Error Message During POSTError Message During POST
there are a number that indicates the display error codeTest 4 (Memory Error)
4
there are a number that indicates the display error codeTest 5 (Keyboard Error)
5
a display number 601 1780 or 1781 that shows the error codeTest 6 (Drive Error)
6
a sound long beep followed by two short beeps sound and the POST to continue with the next test
Test 3 (Display Error)3
one long beep sound followed by a short beep sound and POST execution stopped
Test 2 (Extended System Error)
2
the system stopped with no display and beep sound even though the cursor may appear
Test 1 (Basic System Error)
1
PesanPeringatan KesalahanGejalaNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Voters Error CodeVoters Error Code
Cable and a monitor or display1 short beep and no display6
Motherboard1 long beep and 1 short beep4
Video adapter Card1 long beep and 2 short beeps5
USB disk the disk or disk adapter1 short beep and would not boot7
Power SupplyShort beep repeatedly3
Power SupplyBeep continuously2
Power SupplyNo beep1
Voters Likely areas of damageCodeNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep Code on the AMI BIOSBeep Code on the AMI BIOS
DisplayRetrace test failed1 long 8 short13
ConventionalExtended memory failure1 long 3 short12
Cache Memory error11 short11
CMOS shutdown ReadWrite error10 short10
ROM BIOS checksum failure9 short9
Display memory ReadWrite test failure8 short8
Virtual mode exception error7 short7
Keyboard controller Gate A20 error6 short6
Process failure5 short5
System timer failure4 short4
Base 64K RAM failure3 short3
Parity circuit failure2 short2
DRAM refresh failure1 short1
Beep Code DescriptionsBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep code on the Award BIOSBeep code on the Award BIOS
Corruption in the memory module or memory videoBeep continuously 5
Damage at the VGA 1 long beep 3 short beeps
4
Damage in DRAM parity module1 long beep 2 short beeps 3
Memory Problem1 long beep
2
PC in a good condition 1 short beep 1
Message or Warning ErrorSymptomsNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep code on the IBM BIOSBeep code on the IBM BIOS
Keyboard Keyboard card errorThree Long Beeps9
Display Video Display CircuitryOne Beep Blank or Incorrect10
Video (EGA) Display CircuitryOne Long and Three Short Beeps8
Video (MonoCGA Display Circuitry) issueOne Long and Two short Beeps
7
Motherboard issueOne Long and one Short Beep6
No Power Loose Card or ShortRepeating Short Beep5
No Power Loose Card or ShortContinuous Beep4
POST error review screen for error code2 Short Beep3
Normal POST computer is ok1 Short Beep2
No Power Loose Card or ShortNo Beeps1
Code DescriptionBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Code Error MessageCode Error Message
POST damage on Unit I O expansion 180113
damage Unit I O expansion 18xx12
POST Damage on the units hard disk 170111
damaged hard disk 17xx10
damaged floppy drive 6019
damage POST or floppy drive adapter 6xx8
keyboard did not terespon 3017
damage the keyboard 3xx6
damaged RAM Test 2015
damage RAM Memory 2xx4
timer on the system board 1023
damage on the system board interrupt 1012
the system board 1xx1
DescriptionCodeNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 2 General diagnosisGeneral diagnosis
bull Includendashsystem configurationndashsystem configuration changesndashdisk format
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 3 Diagnosis and the search for damageDiagnosis and the search for damage
bull Diagnosis includes three categories namely
ndashsoftware (bad command or file name disk not ready internal error overflow)
ndashconfiguration error code (configuration too large for memory error 201 - system unit 601 x parity chech)
ndashsystem lockup
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull How do I solve the diagnosis and damage to the computer
bull What is POST and what can I do
TaskTurn on the PC observe and record the process going match with the theory that there is
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation
Repair The PCRepair The PC
Repairs and Re-Setting System PC
HOME
1 Training participants can diagnose the problems that some kinds of peripherals installed in the computer
2 Training participants can determine how to complete
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting MotherboardTroubleshooting Motherboard
To know the problems that may occur not Check connection cable and main power supply voltage DC
cablenot Check the keyboard cable connectionnot Check the monitor cable connection and a monitor power cablenot Check CMOS configuration settingsnot Check power cable connection and a USB data drivenot Check all daughter board or card inserted in the slot I Onot Check connection reset switchnot Check the position of the keyboard keysnot Check all IC installednot Check the boot diskette in drive Anot Check speaker connections
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
1 First Check Power SupplyCheck the power supply voltage level in the slot I O
Diagnosis
not What is the main card is connected properly
not What is power supply fan rotate
not What is the connection P8 and P9 are connected with the good
If there is no voltage level on the pin connection P8 and P9 power supply then a series of problems in the power supply
Improve power supply with how to change with the new power supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 Check 2 Clock signal
Measure signal CLK OSC PCLK RESET drv I O CH RDY I O CH chk pin slot on the I O with a logic probe or osiloskope
Diagnosisnot If no signal CLK OSC PCLK check the crystal and a series of
clock generatornot If the Reset drv always high check the power good signal a series
of power on reset and manual reset switch conditionnot If there is no signal I O CH RDY and I O CH chk check all loose
and daughter boards If still problematic the problem is on the motherboard and the series
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Checks 3 CPU and DMA
Check the signal ALE MEMR MEMW IOR IOW AEN with a logic probe or osiloskope
Diagnosisnot If the signal ALE MEMR MEMW IOR IOW not the credits check
the motherboard CPU
not If the signal AEN is not balance check the DMA
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
Step - Step Repairs PCStep - Step Repairs PC
bull To check the condition of computer hardware diagnostics should be performed namely
1 POST (Power-On Self-Test)
2 Common diagnosis (routine)
3 Diagnosis and the search for damage
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
The message can be a message display on the screen beep sound or both Indication of a problem during POST stated
ndash Error code two to five digit numberndash Error message the short message in English (there are several messages that indicate problemnya)
ndash Code beep beep sound sequence
POST test duration depends on the size of the memory capacity yangterpasangPOST does not check all additional equipment expansion such as printer modem etc
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
1 Diagnostic POST1 Diagnostic POST
HOME
Step - Step POSTStep - Step POST
One Long and one Short Beep = Motherboard issueTest 6 (Drive)6
check keyboardTest 5 (Keyboard)
5
check on the location of DRAM disampling with 16KB dicuplik
Test 4 (Memory)4
check the system control signal on the video card and monitor VRAM
Test 3 (Display)3
check the system timers DMAC DRAM 16KB initial location and PIC
Test 2 (Extended System)2
check power supply MPU bus and ROMTest 1 (Basic System)1
Code DescriptionBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Error Message During POSTError Message During POST
there are a number that indicates the display error codeTest 4 (Memory Error)
4
there are a number that indicates the display error codeTest 5 (Keyboard Error)
5
a display number 601 1780 or 1781 that shows the error codeTest 6 (Drive Error)
6
a sound long beep followed by two short beeps sound and the POST to continue with the next test
Test 3 (Display Error)3
one long beep sound followed by a short beep sound and POST execution stopped
Test 2 (Extended System Error)
2
the system stopped with no display and beep sound even though the cursor may appear
Test 1 (Basic System Error)
1
PesanPeringatan KesalahanGejalaNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Voters Error CodeVoters Error Code
Cable and a monitor or display1 short beep and no display6
Motherboard1 long beep and 1 short beep4
Video adapter Card1 long beep and 2 short beeps5
USB disk the disk or disk adapter1 short beep and would not boot7
Power SupplyShort beep repeatedly3
Power SupplyBeep continuously2
Power SupplyNo beep1
Voters Likely areas of damageCodeNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep Code on the AMI BIOSBeep Code on the AMI BIOS
DisplayRetrace test failed1 long 8 short13
ConventionalExtended memory failure1 long 3 short12
Cache Memory error11 short11
CMOS shutdown ReadWrite error10 short10
ROM BIOS checksum failure9 short9
Display memory ReadWrite test failure8 short8
Virtual mode exception error7 short7
Keyboard controller Gate A20 error6 short6
Process failure5 short5
System timer failure4 short4
Base 64K RAM failure3 short3
Parity circuit failure2 short2
DRAM refresh failure1 short1
Beep Code DescriptionsBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep code on the Award BIOSBeep code on the Award BIOS
Corruption in the memory module or memory videoBeep continuously 5
Damage at the VGA 1 long beep 3 short beeps
4
Damage in DRAM parity module1 long beep 2 short beeps 3
Memory Problem1 long beep
2
PC in a good condition 1 short beep 1
Message or Warning ErrorSymptomsNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep code on the IBM BIOSBeep code on the IBM BIOS
Keyboard Keyboard card errorThree Long Beeps9
Display Video Display CircuitryOne Beep Blank or Incorrect10
Video (EGA) Display CircuitryOne Long and Three Short Beeps8
Video (MonoCGA Display Circuitry) issueOne Long and Two short Beeps
7
Motherboard issueOne Long and one Short Beep6
No Power Loose Card or ShortRepeating Short Beep5
No Power Loose Card or ShortContinuous Beep4
POST error review screen for error code2 Short Beep3
Normal POST computer is ok1 Short Beep2
No Power Loose Card or ShortNo Beeps1
Code DescriptionBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Code Error MessageCode Error Message
POST damage on Unit I O expansion 180113
damage Unit I O expansion 18xx12
POST Damage on the units hard disk 170111
damaged hard disk 17xx10
damaged floppy drive 6019
damage POST or floppy drive adapter 6xx8
keyboard did not terespon 3017
damage the keyboard 3xx6
damaged RAM Test 2015
damage RAM Memory 2xx4
timer on the system board 1023
damage on the system board interrupt 1012
the system board 1xx1
DescriptionCodeNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 2 General diagnosisGeneral diagnosis
bull Includendashsystem configurationndashsystem configuration changesndashdisk format
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 3 Diagnosis and the search for damageDiagnosis and the search for damage
bull Diagnosis includes three categories namely
ndashsoftware (bad command or file name disk not ready internal error overflow)
ndashconfiguration error code (configuration too large for memory error 201 - system unit 601 x parity chech)
ndashsystem lockup
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull How do I solve the diagnosis and damage to the computer
bull What is POST and what can I do
TaskTurn on the PC observe and record the process going match with the theory that there is
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation
Repair The PCRepair The PC
Repairs and Re-Setting System PC
HOME
1 Training participants can diagnose the problems that some kinds of peripherals installed in the computer
2 Training participants can determine how to complete
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting MotherboardTroubleshooting Motherboard
To know the problems that may occur not Check connection cable and main power supply voltage DC
cablenot Check the keyboard cable connectionnot Check the monitor cable connection and a monitor power cablenot Check CMOS configuration settingsnot Check power cable connection and a USB data drivenot Check all daughter board or card inserted in the slot I Onot Check connection reset switchnot Check the position of the keyboard keysnot Check all IC installednot Check the boot diskette in drive Anot Check speaker connections
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
1 First Check Power SupplyCheck the power supply voltage level in the slot I O
Diagnosis
not What is the main card is connected properly
not What is power supply fan rotate
not What is the connection P8 and P9 are connected with the good
If there is no voltage level on the pin connection P8 and P9 power supply then a series of problems in the power supply
Improve power supply with how to change with the new power supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 Check 2 Clock signal
Measure signal CLK OSC PCLK RESET drv I O CH RDY I O CH chk pin slot on the I O with a logic probe or osiloskope
Diagnosisnot If no signal CLK OSC PCLK check the crystal and a series of
clock generatornot If the Reset drv always high check the power good signal a series
of power on reset and manual reset switch conditionnot If there is no signal I O CH RDY and I O CH chk check all loose
and daughter boards If still problematic the problem is on the motherboard and the series
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Checks 3 CPU and DMA
Check the signal ALE MEMR MEMW IOR IOW AEN with a logic probe or osiloskope
Diagnosisnot If the signal ALE MEMR MEMW IOR IOW not the credits check
the motherboard CPU
not If the signal AEN is not balance check the DMA
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
The message can be a message display on the screen beep sound or both Indication of a problem during POST stated
ndash Error code two to five digit numberndash Error message the short message in English (there are several messages that indicate problemnya)
ndash Code beep beep sound sequence
POST test duration depends on the size of the memory capacity yangterpasangPOST does not check all additional equipment expansion such as printer modem etc
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
1 Diagnostic POST1 Diagnostic POST
HOME
Step - Step POSTStep - Step POST
One Long and one Short Beep = Motherboard issueTest 6 (Drive)6
check keyboardTest 5 (Keyboard)
5
check on the location of DRAM disampling with 16KB dicuplik
Test 4 (Memory)4
check the system control signal on the video card and monitor VRAM
Test 3 (Display)3
check the system timers DMAC DRAM 16KB initial location and PIC
Test 2 (Extended System)2
check power supply MPU bus and ROMTest 1 (Basic System)1
Code DescriptionBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Error Message During POSTError Message During POST
there are a number that indicates the display error codeTest 4 (Memory Error)
4
there are a number that indicates the display error codeTest 5 (Keyboard Error)
5
a display number 601 1780 or 1781 that shows the error codeTest 6 (Drive Error)
6
a sound long beep followed by two short beeps sound and the POST to continue with the next test
Test 3 (Display Error)3
one long beep sound followed by a short beep sound and POST execution stopped
Test 2 (Extended System Error)
2
the system stopped with no display and beep sound even though the cursor may appear
Test 1 (Basic System Error)
1
PesanPeringatan KesalahanGejalaNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Voters Error CodeVoters Error Code
Cable and a monitor or display1 short beep and no display6
Motherboard1 long beep and 1 short beep4
Video adapter Card1 long beep and 2 short beeps5
USB disk the disk or disk adapter1 short beep and would not boot7
Power SupplyShort beep repeatedly3
Power SupplyBeep continuously2
Power SupplyNo beep1
Voters Likely areas of damageCodeNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep Code on the AMI BIOSBeep Code on the AMI BIOS
DisplayRetrace test failed1 long 8 short13
ConventionalExtended memory failure1 long 3 short12
Cache Memory error11 short11
CMOS shutdown ReadWrite error10 short10
ROM BIOS checksum failure9 short9
Display memory ReadWrite test failure8 short8
Virtual mode exception error7 short7
Keyboard controller Gate A20 error6 short6
Process failure5 short5
System timer failure4 short4
Base 64K RAM failure3 short3
Parity circuit failure2 short2
DRAM refresh failure1 short1
Beep Code DescriptionsBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep code on the Award BIOSBeep code on the Award BIOS
Corruption in the memory module or memory videoBeep continuously 5
Damage at the VGA 1 long beep 3 short beeps
4
Damage in DRAM parity module1 long beep 2 short beeps 3
Memory Problem1 long beep
2
PC in a good condition 1 short beep 1
Message or Warning ErrorSymptomsNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep code on the IBM BIOSBeep code on the IBM BIOS
Keyboard Keyboard card errorThree Long Beeps9
Display Video Display CircuitryOne Beep Blank or Incorrect10
Video (EGA) Display CircuitryOne Long and Three Short Beeps8
Video (MonoCGA Display Circuitry) issueOne Long and Two short Beeps
7
Motherboard issueOne Long and one Short Beep6
No Power Loose Card or ShortRepeating Short Beep5
No Power Loose Card or ShortContinuous Beep4
POST error review screen for error code2 Short Beep3
Normal POST computer is ok1 Short Beep2
No Power Loose Card or ShortNo Beeps1
Code DescriptionBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Code Error MessageCode Error Message
POST damage on Unit I O expansion 180113
damage Unit I O expansion 18xx12
POST Damage on the units hard disk 170111
damaged hard disk 17xx10
damaged floppy drive 6019
damage POST or floppy drive adapter 6xx8
keyboard did not terespon 3017
damage the keyboard 3xx6
damaged RAM Test 2015
damage RAM Memory 2xx4
timer on the system board 1023
damage on the system board interrupt 1012
the system board 1xx1
DescriptionCodeNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 2 General diagnosisGeneral diagnosis
bull Includendashsystem configurationndashsystem configuration changesndashdisk format
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 3 Diagnosis and the search for damageDiagnosis and the search for damage
bull Diagnosis includes three categories namely
ndashsoftware (bad command or file name disk not ready internal error overflow)
ndashconfiguration error code (configuration too large for memory error 201 - system unit 601 x parity chech)
ndashsystem lockup
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull How do I solve the diagnosis and damage to the computer
bull What is POST and what can I do
TaskTurn on the PC observe and record the process going match with the theory that there is
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation
Repair The PCRepair The PC
Repairs and Re-Setting System PC
HOME
1 Training participants can diagnose the problems that some kinds of peripherals installed in the computer
2 Training participants can determine how to complete
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting MotherboardTroubleshooting Motherboard
To know the problems that may occur not Check connection cable and main power supply voltage DC
cablenot Check the keyboard cable connectionnot Check the monitor cable connection and a monitor power cablenot Check CMOS configuration settingsnot Check power cable connection and a USB data drivenot Check all daughter board or card inserted in the slot I Onot Check connection reset switchnot Check the position of the keyboard keysnot Check all IC installednot Check the boot diskette in drive Anot Check speaker connections
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
1 First Check Power SupplyCheck the power supply voltage level in the slot I O
Diagnosis
not What is the main card is connected properly
not What is power supply fan rotate
not What is the connection P8 and P9 are connected with the good
If there is no voltage level on the pin connection P8 and P9 power supply then a series of problems in the power supply
Improve power supply with how to change with the new power supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 Check 2 Clock signal
Measure signal CLK OSC PCLK RESET drv I O CH RDY I O CH chk pin slot on the I O with a logic probe or osiloskope
Diagnosisnot If no signal CLK OSC PCLK check the crystal and a series of
clock generatornot If the Reset drv always high check the power good signal a series
of power on reset and manual reset switch conditionnot If there is no signal I O CH RDY and I O CH chk check all loose
and daughter boards If still problematic the problem is on the motherboard and the series
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Checks 3 CPU and DMA
Check the signal ALE MEMR MEMW IOR IOW AEN with a logic probe or osiloskope
Diagnosisnot If the signal ALE MEMR MEMW IOR IOW not the credits check
the motherboard CPU
not If the signal AEN is not balance check the DMA
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
Step - Step POSTStep - Step POST
One Long and one Short Beep = Motherboard issueTest 6 (Drive)6
check keyboardTest 5 (Keyboard)
5
check on the location of DRAM disampling with 16KB dicuplik
Test 4 (Memory)4
check the system control signal on the video card and monitor VRAM
Test 3 (Display)3
check the system timers DMAC DRAM 16KB initial location and PIC
Test 2 (Extended System)2
check power supply MPU bus and ROMTest 1 (Basic System)1
Code DescriptionBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Error Message During POSTError Message During POST
there are a number that indicates the display error codeTest 4 (Memory Error)
4
there are a number that indicates the display error codeTest 5 (Keyboard Error)
5
a display number 601 1780 or 1781 that shows the error codeTest 6 (Drive Error)
6
a sound long beep followed by two short beeps sound and the POST to continue with the next test
Test 3 (Display Error)3
one long beep sound followed by a short beep sound and POST execution stopped
Test 2 (Extended System Error)
2
the system stopped with no display and beep sound even though the cursor may appear
Test 1 (Basic System Error)
1
PesanPeringatan KesalahanGejalaNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Voters Error CodeVoters Error Code
Cable and a monitor or display1 short beep and no display6
Motherboard1 long beep and 1 short beep4
Video adapter Card1 long beep and 2 short beeps5
USB disk the disk or disk adapter1 short beep and would not boot7
Power SupplyShort beep repeatedly3
Power SupplyBeep continuously2
Power SupplyNo beep1
Voters Likely areas of damageCodeNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep Code on the AMI BIOSBeep Code on the AMI BIOS
DisplayRetrace test failed1 long 8 short13
ConventionalExtended memory failure1 long 3 short12
Cache Memory error11 short11
CMOS shutdown ReadWrite error10 short10
ROM BIOS checksum failure9 short9
Display memory ReadWrite test failure8 short8
Virtual mode exception error7 short7
Keyboard controller Gate A20 error6 short6
Process failure5 short5
System timer failure4 short4
Base 64K RAM failure3 short3
Parity circuit failure2 short2
DRAM refresh failure1 short1
Beep Code DescriptionsBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep code on the Award BIOSBeep code on the Award BIOS
Corruption in the memory module or memory videoBeep continuously 5
Damage at the VGA 1 long beep 3 short beeps
4
Damage in DRAM parity module1 long beep 2 short beeps 3
Memory Problem1 long beep
2
PC in a good condition 1 short beep 1
Message or Warning ErrorSymptomsNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep code on the IBM BIOSBeep code on the IBM BIOS
Keyboard Keyboard card errorThree Long Beeps9
Display Video Display CircuitryOne Beep Blank or Incorrect10
Video (EGA) Display CircuitryOne Long and Three Short Beeps8
Video (MonoCGA Display Circuitry) issueOne Long and Two short Beeps
7
Motherboard issueOne Long and one Short Beep6
No Power Loose Card or ShortRepeating Short Beep5
No Power Loose Card or ShortContinuous Beep4
POST error review screen for error code2 Short Beep3
Normal POST computer is ok1 Short Beep2
No Power Loose Card or ShortNo Beeps1
Code DescriptionBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Code Error MessageCode Error Message
POST damage on Unit I O expansion 180113
damage Unit I O expansion 18xx12
POST Damage on the units hard disk 170111
damaged hard disk 17xx10
damaged floppy drive 6019
damage POST or floppy drive adapter 6xx8
keyboard did not terespon 3017
damage the keyboard 3xx6
damaged RAM Test 2015
damage RAM Memory 2xx4
timer on the system board 1023
damage on the system board interrupt 1012
the system board 1xx1
DescriptionCodeNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 2 General diagnosisGeneral diagnosis
bull Includendashsystem configurationndashsystem configuration changesndashdisk format
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 3 Diagnosis and the search for damageDiagnosis and the search for damage
bull Diagnosis includes three categories namely
ndashsoftware (bad command or file name disk not ready internal error overflow)
ndashconfiguration error code (configuration too large for memory error 201 - system unit 601 x parity chech)
ndashsystem lockup
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull How do I solve the diagnosis and damage to the computer
bull What is POST and what can I do
TaskTurn on the PC observe and record the process going match with the theory that there is
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation
Repair The PCRepair The PC
Repairs and Re-Setting System PC
HOME
1 Training participants can diagnose the problems that some kinds of peripherals installed in the computer
2 Training participants can determine how to complete
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting MotherboardTroubleshooting Motherboard
To know the problems that may occur not Check connection cable and main power supply voltage DC
cablenot Check the keyboard cable connectionnot Check the monitor cable connection and a monitor power cablenot Check CMOS configuration settingsnot Check power cable connection and a USB data drivenot Check all daughter board or card inserted in the slot I Onot Check connection reset switchnot Check the position of the keyboard keysnot Check all IC installednot Check the boot diskette in drive Anot Check speaker connections
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
1 First Check Power SupplyCheck the power supply voltage level in the slot I O
Diagnosis
not What is the main card is connected properly
not What is power supply fan rotate
not What is the connection P8 and P9 are connected with the good
If there is no voltage level on the pin connection P8 and P9 power supply then a series of problems in the power supply
Improve power supply with how to change with the new power supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 Check 2 Clock signal
Measure signal CLK OSC PCLK RESET drv I O CH RDY I O CH chk pin slot on the I O with a logic probe or osiloskope
Diagnosisnot If no signal CLK OSC PCLK check the crystal and a series of
clock generatornot If the Reset drv always high check the power good signal a series
of power on reset and manual reset switch conditionnot If there is no signal I O CH RDY and I O CH chk check all loose
and daughter boards If still problematic the problem is on the motherboard and the series
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Checks 3 CPU and DMA
Check the signal ALE MEMR MEMW IOR IOW AEN with a logic probe or osiloskope
Diagnosisnot If the signal ALE MEMR MEMW IOR IOW not the credits check
the motherboard CPU
not If the signal AEN is not balance check the DMA
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
Error Message During POSTError Message During POST
there are a number that indicates the display error codeTest 4 (Memory Error)
4
there are a number that indicates the display error codeTest 5 (Keyboard Error)
5
a display number 601 1780 or 1781 that shows the error codeTest 6 (Drive Error)
6
a sound long beep followed by two short beeps sound and the POST to continue with the next test
Test 3 (Display Error)3
one long beep sound followed by a short beep sound and POST execution stopped
Test 2 (Extended System Error)
2
the system stopped with no display and beep sound even though the cursor may appear
Test 1 (Basic System Error)
1
PesanPeringatan KesalahanGejalaNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Voters Error CodeVoters Error Code
Cable and a monitor or display1 short beep and no display6
Motherboard1 long beep and 1 short beep4
Video adapter Card1 long beep and 2 short beeps5
USB disk the disk or disk adapter1 short beep and would not boot7
Power SupplyShort beep repeatedly3
Power SupplyBeep continuously2
Power SupplyNo beep1
Voters Likely areas of damageCodeNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep Code on the AMI BIOSBeep Code on the AMI BIOS
DisplayRetrace test failed1 long 8 short13
ConventionalExtended memory failure1 long 3 short12
Cache Memory error11 short11
CMOS shutdown ReadWrite error10 short10
ROM BIOS checksum failure9 short9
Display memory ReadWrite test failure8 short8
Virtual mode exception error7 short7
Keyboard controller Gate A20 error6 short6
Process failure5 short5
System timer failure4 short4
Base 64K RAM failure3 short3
Parity circuit failure2 short2
DRAM refresh failure1 short1
Beep Code DescriptionsBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep code on the Award BIOSBeep code on the Award BIOS
Corruption in the memory module or memory videoBeep continuously 5
Damage at the VGA 1 long beep 3 short beeps
4
Damage in DRAM parity module1 long beep 2 short beeps 3
Memory Problem1 long beep
2
PC in a good condition 1 short beep 1
Message or Warning ErrorSymptomsNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep code on the IBM BIOSBeep code on the IBM BIOS
Keyboard Keyboard card errorThree Long Beeps9
Display Video Display CircuitryOne Beep Blank or Incorrect10
Video (EGA) Display CircuitryOne Long and Three Short Beeps8
Video (MonoCGA Display Circuitry) issueOne Long and Two short Beeps
7
Motherboard issueOne Long and one Short Beep6
No Power Loose Card or ShortRepeating Short Beep5
No Power Loose Card or ShortContinuous Beep4
POST error review screen for error code2 Short Beep3
Normal POST computer is ok1 Short Beep2
No Power Loose Card or ShortNo Beeps1
Code DescriptionBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Code Error MessageCode Error Message
POST damage on Unit I O expansion 180113
damage Unit I O expansion 18xx12
POST Damage on the units hard disk 170111
damaged hard disk 17xx10
damaged floppy drive 6019
damage POST or floppy drive adapter 6xx8
keyboard did not terespon 3017
damage the keyboard 3xx6
damaged RAM Test 2015
damage RAM Memory 2xx4
timer on the system board 1023
damage on the system board interrupt 1012
the system board 1xx1
DescriptionCodeNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 2 General diagnosisGeneral diagnosis
bull Includendashsystem configurationndashsystem configuration changesndashdisk format
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 3 Diagnosis and the search for damageDiagnosis and the search for damage
bull Diagnosis includes three categories namely
ndashsoftware (bad command or file name disk not ready internal error overflow)
ndashconfiguration error code (configuration too large for memory error 201 - system unit 601 x parity chech)
ndashsystem lockup
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull How do I solve the diagnosis and damage to the computer
bull What is POST and what can I do
TaskTurn on the PC observe and record the process going match with the theory that there is
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation
Repair The PCRepair The PC
Repairs and Re-Setting System PC
HOME
1 Training participants can diagnose the problems that some kinds of peripherals installed in the computer
2 Training participants can determine how to complete
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting MotherboardTroubleshooting Motherboard
To know the problems that may occur not Check connection cable and main power supply voltage DC
cablenot Check the keyboard cable connectionnot Check the monitor cable connection and a monitor power cablenot Check CMOS configuration settingsnot Check power cable connection and a USB data drivenot Check all daughter board or card inserted in the slot I Onot Check connection reset switchnot Check the position of the keyboard keysnot Check all IC installednot Check the boot diskette in drive Anot Check speaker connections
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
1 First Check Power SupplyCheck the power supply voltage level in the slot I O
Diagnosis
not What is the main card is connected properly
not What is power supply fan rotate
not What is the connection P8 and P9 are connected with the good
If there is no voltage level on the pin connection P8 and P9 power supply then a series of problems in the power supply
Improve power supply with how to change with the new power supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 Check 2 Clock signal
Measure signal CLK OSC PCLK RESET drv I O CH RDY I O CH chk pin slot on the I O with a logic probe or osiloskope
Diagnosisnot If no signal CLK OSC PCLK check the crystal and a series of
clock generatornot If the Reset drv always high check the power good signal a series
of power on reset and manual reset switch conditionnot If there is no signal I O CH RDY and I O CH chk check all loose
and daughter boards If still problematic the problem is on the motherboard and the series
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Checks 3 CPU and DMA
Check the signal ALE MEMR MEMW IOR IOW AEN with a logic probe or osiloskope
Diagnosisnot If the signal ALE MEMR MEMW IOR IOW not the credits check
the motherboard CPU
not If the signal AEN is not balance check the DMA
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
Voters Error CodeVoters Error Code
Cable and a monitor or display1 short beep and no display6
Motherboard1 long beep and 1 short beep4
Video adapter Card1 long beep and 2 short beeps5
USB disk the disk or disk adapter1 short beep and would not boot7
Power SupplyShort beep repeatedly3
Power SupplyBeep continuously2
Power SupplyNo beep1
Voters Likely areas of damageCodeNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep Code on the AMI BIOSBeep Code on the AMI BIOS
DisplayRetrace test failed1 long 8 short13
ConventionalExtended memory failure1 long 3 short12
Cache Memory error11 short11
CMOS shutdown ReadWrite error10 short10
ROM BIOS checksum failure9 short9
Display memory ReadWrite test failure8 short8
Virtual mode exception error7 short7
Keyboard controller Gate A20 error6 short6
Process failure5 short5
System timer failure4 short4
Base 64K RAM failure3 short3
Parity circuit failure2 short2
DRAM refresh failure1 short1
Beep Code DescriptionsBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep code on the Award BIOSBeep code on the Award BIOS
Corruption in the memory module or memory videoBeep continuously 5
Damage at the VGA 1 long beep 3 short beeps
4
Damage in DRAM parity module1 long beep 2 short beeps 3
Memory Problem1 long beep
2
PC in a good condition 1 short beep 1
Message or Warning ErrorSymptomsNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep code on the IBM BIOSBeep code on the IBM BIOS
Keyboard Keyboard card errorThree Long Beeps9
Display Video Display CircuitryOne Beep Blank or Incorrect10
Video (EGA) Display CircuitryOne Long and Three Short Beeps8
Video (MonoCGA Display Circuitry) issueOne Long and Two short Beeps
7
Motherboard issueOne Long and one Short Beep6
No Power Loose Card or ShortRepeating Short Beep5
No Power Loose Card or ShortContinuous Beep4
POST error review screen for error code2 Short Beep3
Normal POST computer is ok1 Short Beep2
No Power Loose Card or ShortNo Beeps1
Code DescriptionBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Code Error MessageCode Error Message
POST damage on Unit I O expansion 180113
damage Unit I O expansion 18xx12
POST Damage on the units hard disk 170111
damaged hard disk 17xx10
damaged floppy drive 6019
damage POST or floppy drive adapter 6xx8
keyboard did not terespon 3017
damage the keyboard 3xx6
damaged RAM Test 2015
damage RAM Memory 2xx4
timer on the system board 1023
damage on the system board interrupt 1012
the system board 1xx1
DescriptionCodeNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 2 General diagnosisGeneral diagnosis
bull Includendashsystem configurationndashsystem configuration changesndashdisk format
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 3 Diagnosis and the search for damageDiagnosis and the search for damage
bull Diagnosis includes three categories namely
ndashsoftware (bad command or file name disk not ready internal error overflow)
ndashconfiguration error code (configuration too large for memory error 201 - system unit 601 x parity chech)
ndashsystem lockup
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull How do I solve the diagnosis and damage to the computer
bull What is POST and what can I do
TaskTurn on the PC observe and record the process going match with the theory that there is
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation
Repair The PCRepair The PC
Repairs and Re-Setting System PC
HOME
1 Training participants can diagnose the problems that some kinds of peripherals installed in the computer
2 Training participants can determine how to complete
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting MotherboardTroubleshooting Motherboard
To know the problems that may occur not Check connection cable and main power supply voltage DC
cablenot Check the keyboard cable connectionnot Check the monitor cable connection and a monitor power cablenot Check CMOS configuration settingsnot Check power cable connection and a USB data drivenot Check all daughter board or card inserted in the slot I Onot Check connection reset switchnot Check the position of the keyboard keysnot Check all IC installednot Check the boot diskette in drive Anot Check speaker connections
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
1 First Check Power SupplyCheck the power supply voltage level in the slot I O
Diagnosis
not What is the main card is connected properly
not What is power supply fan rotate
not What is the connection P8 and P9 are connected with the good
If there is no voltage level on the pin connection P8 and P9 power supply then a series of problems in the power supply
Improve power supply with how to change with the new power supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 Check 2 Clock signal
Measure signal CLK OSC PCLK RESET drv I O CH RDY I O CH chk pin slot on the I O with a logic probe or osiloskope
Diagnosisnot If no signal CLK OSC PCLK check the crystal and a series of
clock generatornot If the Reset drv always high check the power good signal a series
of power on reset and manual reset switch conditionnot If there is no signal I O CH RDY and I O CH chk check all loose
and daughter boards If still problematic the problem is on the motherboard and the series
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Checks 3 CPU and DMA
Check the signal ALE MEMR MEMW IOR IOW AEN with a logic probe or osiloskope
Diagnosisnot If the signal ALE MEMR MEMW IOR IOW not the credits check
the motherboard CPU
not If the signal AEN is not balance check the DMA
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
Beep Code on the AMI BIOSBeep Code on the AMI BIOS
DisplayRetrace test failed1 long 8 short13
ConventionalExtended memory failure1 long 3 short12
Cache Memory error11 short11
CMOS shutdown ReadWrite error10 short10
ROM BIOS checksum failure9 short9
Display memory ReadWrite test failure8 short8
Virtual mode exception error7 short7
Keyboard controller Gate A20 error6 short6
Process failure5 short5
System timer failure4 short4
Base 64K RAM failure3 short3
Parity circuit failure2 short2
DRAM refresh failure1 short1
Beep Code DescriptionsBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep code on the Award BIOSBeep code on the Award BIOS
Corruption in the memory module or memory videoBeep continuously 5
Damage at the VGA 1 long beep 3 short beeps
4
Damage in DRAM parity module1 long beep 2 short beeps 3
Memory Problem1 long beep
2
PC in a good condition 1 short beep 1
Message or Warning ErrorSymptomsNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep code on the IBM BIOSBeep code on the IBM BIOS
Keyboard Keyboard card errorThree Long Beeps9
Display Video Display CircuitryOne Beep Blank or Incorrect10
Video (EGA) Display CircuitryOne Long and Three Short Beeps8
Video (MonoCGA Display Circuitry) issueOne Long and Two short Beeps
7
Motherboard issueOne Long and one Short Beep6
No Power Loose Card or ShortRepeating Short Beep5
No Power Loose Card or ShortContinuous Beep4
POST error review screen for error code2 Short Beep3
Normal POST computer is ok1 Short Beep2
No Power Loose Card or ShortNo Beeps1
Code DescriptionBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Code Error MessageCode Error Message
POST damage on Unit I O expansion 180113
damage Unit I O expansion 18xx12
POST Damage on the units hard disk 170111
damaged hard disk 17xx10
damaged floppy drive 6019
damage POST or floppy drive adapter 6xx8
keyboard did not terespon 3017
damage the keyboard 3xx6
damaged RAM Test 2015
damage RAM Memory 2xx4
timer on the system board 1023
damage on the system board interrupt 1012
the system board 1xx1
DescriptionCodeNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 2 General diagnosisGeneral diagnosis
bull Includendashsystem configurationndashsystem configuration changesndashdisk format
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 3 Diagnosis and the search for damageDiagnosis and the search for damage
bull Diagnosis includes three categories namely
ndashsoftware (bad command or file name disk not ready internal error overflow)
ndashconfiguration error code (configuration too large for memory error 201 - system unit 601 x parity chech)
ndashsystem lockup
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull How do I solve the diagnosis and damage to the computer
bull What is POST and what can I do
TaskTurn on the PC observe and record the process going match with the theory that there is
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation
Repair The PCRepair The PC
Repairs and Re-Setting System PC
HOME
1 Training participants can diagnose the problems that some kinds of peripherals installed in the computer
2 Training participants can determine how to complete
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting MotherboardTroubleshooting Motherboard
To know the problems that may occur not Check connection cable and main power supply voltage DC
cablenot Check the keyboard cable connectionnot Check the monitor cable connection and a monitor power cablenot Check CMOS configuration settingsnot Check power cable connection and a USB data drivenot Check all daughter board or card inserted in the slot I Onot Check connection reset switchnot Check the position of the keyboard keysnot Check all IC installednot Check the boot diskette in drive Anot Check speaker connections
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
1 First Check Power SupplyCheck the power supply voltage level in the slot I O
Diagnosis
not What is the main card is connected properly
not What is power supply fan rotate
not What is the connection P8 and P9 are connected with the good
If there is no voltage level on the pin connection P8 and P9 power supply then a series of problems in the power supply
Improve power supply with how to change with the new power supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 Check 2 Clock signal
Measure signal CLK OSC PCLK RESET drv I O CH RDY I O CH chk pin slot on the I O with a logic probe or osiloskope
Diagnosisnot If no signal CLK OSC PCLK check the crystal and a series of
clock generatornot If the Reset drv always high check the power good signal a series
of power on reset and manual reset switch conditionnot If there is no signal I O CH RDY and I O CH chk check all loose
and daughter boards If still problematic the problem is on the motherboard and the series
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Checks 3 CPU and DMA
Check the signal ALE MEMR MEMW IOR IOW AEN with a logic probe or osiloskope
Diagnosisnot If the signal ALE MEMR MEMW IOR IOW not the credits check
the motherboard CPU
not If the signal AEN is not balance check the DMA
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
Beep code on the Award BIOSBeep code on the Award BIOS
Corruption in the memory module or memory videoBeep continuously 5
Damage at the VGA 1 long beep 3 short beeps
4
Damage in DRAM parity module1 long beep 2 short beeps 3
Memory Problem1 long beep
2
PC in a good condition 1 short beep 1
Message or Warning ErrorSymptomsNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Beep code on the IBM BIOSBeep code on the IBM BIOS
Keyboard Keyboard card errorThree Long Beeps9
Display Video Display CircuitryOne Beep Blank or Incorrect10
Video (EGA) Display CircuitryOne Long and Three Short Beeps8
Video (MonoCGA Display Circuitry) issueOne Long and Two short Beeps
7
Motherboard issueOne Long and one Short Beep6
No Power Loose Card or ShortRepeating Short Beep5
No Power Loose Card or ShortContinuous Beep4
POST error review screen for error code2 Short Beep3
Normal POST computer is ok1 Short Beep2
No Power Loose Card or ShortNo Beeps1
Code DescriptionBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Code Error MessageCode Error Message
POST damage on Unit I O expansion 180113
damage Unit I O expansion 18xx12
POST Damage on the units hard disk 170111
damaged hard disk 17xx10
damaged floppy drive 6019
damage POST or floppy drive adapter 6xx8
keyboard did not terespon 3017
damage the keyboard 3xx6
damaged RAM Test 2015
damage RAM Memory 2xx4
timer on the system board 1023
damage on the system board interrupt 1012
the system board 1xx1
DescriptionCodeNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 2 General diagnosisGeneral diagnosis
bull Includendashsystem configurationndashsystem configuration changesndashdisk format
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 3 Diagnosis and the search for damageDiagnosis and the search for damage
bull Diagnosis includes three categories namely
ndashsoftware (bad command or file name disk not ready internal error overflow)
ndashconfiguration error code (configuration too large for memory error 201 - system unit 601 x parity chech)
ndashsystem lockup
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull How do I solve the diagnosis and damage to the computer
bull What is POST and what can I do
TaskTurn on the PC observe and record the process going match with the theory that there is
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation
Repair The PCRepair The PC
Repairs and Re-Setting System PC
HOME
1 Training participants can diagnose the problems that some kinds of peripherals installed in the computer
2 Training participants can determine how to complete
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting MotherboardTroubleshooting Motherboard
To know the problems that may occur not Check connection cable and main power supply voltage DC
cablenot Check the keyboard cable connectionnot Check the monitor cable connection and a monitor power cablenot Check CMOS configuration settingsnot Check power cable connection and a USB data drivenot Check all daughter board or card inserted in the slot I Onot Check connection reset switchnot Check the position of the keyboard keysnot Check all IC installednot Check the boot diskette in drive Anot Check speaker connections
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
1 First Check Power SupplyCheck the power supply voltage level in the slot I O
Diagnosis
not What is the main card is connected properly
not What is power supply fan rotate
not What is the connection P8 and P9 are connected with the good
If there is no voltage level on the pin connection P8 and P9 power supply then a series of problems in the power supply
Improve power supply with how to change with the new power supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 Check 2 Clock signal
Measure signal CLK OSC PCLK RESET drv I O CH RDY I O CH chk pin slot on the I O with a logic probe or osiloskope
Diagnosisnot If no signal CLK OSC PCLK check the crystal and a series of
clock generatornot If the Reset drv always high check the power good signal a series
of power on reset and manual reset switch conditionnot If there is no signal I O CH RDY and I O CH chk check all loose
and daughter boards If still problematic the problem is on the motherboard and the series
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Checks 3 CPU and DMA
Check the signal ALE MEMR MEMW IOR IOW AEN with a logic probe or osiloskope
Diagnosisnot If the signal ALE MEMR MEMW IOR IOW not the credits check
the motherboard CPU
not If the signal AEN is not balance check the DMA
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
Beep code on the IBM BIOSBeep code on the IBM BIOS
Keyboard Keyboard card errorThree Long Beeps9
Display Video Display CircuitryOne Beep Blank or Incorrect10
Video (EGA) Display CircuitryOne Long and Three Short Beeps8
Video (MonoCGA Display Circuitry) issueOne Long and Two short Beeps
7
Motherboard issueOne Long and one Short Beep6
No Power Loose Card or ShortRepeating Short Beep5
No Power Loose Card or ShortContinuous Beep4
POST error review screen for error code2 Short Beep3
Normal POST computer is ok1 Short Beep2
No Power Loose Card or ShortNo Beeps1
Code DescriptionBeepNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Code Error MessageCode Error Message
POST damage on Unit I O expansion 180113
damage Unit I O expansion 18xx12
POST Damage on the units hard disk 170111
damaged hard disk 17xx10
damaged floppy drive 6019
damage POST or floppy drive adapter 6xx8
keyboard did not terespon 3017
damage the keyboard 3xx6
damaged RAM Test 2015
damage RAM Memory 2xx4
timer on the system board 1023
damage on the system board interrupt 1012
the system board 1xx1
DescriptionCodeNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 2 General diagnosisGeneral diagnosis
bull Includendashsystem configurationndashsystem configuration changesndashdisk format
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 3 Diagnosis and the search for damageDiagnosis and the search for damage
bull Diagnosis includes three categories namely
ndashsoftware (bad command or file name disk not ready internal error overflow)
ndashconfiguration error code (configuration too large for memory error 201 - system unit 601 x parity chech)
ndashsystem lockup
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull How do I solve the diagnosis and damage to the computer
bull What is POST and what can I do
TaskTurn on the PC observe and record the process going match with the theory that there is
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation
Repair The PCRepair The PC
Repairs and Re-Setting System PC
HOME
1 Training participants can diagnose the problems that some kinds of peripherals installed in the computer
2 Training participants can determine how to complete
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting MotherboardTroubleshooting Motherboard
To know the problems that may occur not Check connection cable and main power supply voltage DC
cablenot Check the keyboard cable connectionnot Check the monitor cable connection and a monitor power cablenot Check CMOS configuration settingsnot Check power cable connection and a USB data drivenot Check all daughter board or card inserted in the slot I Onot Check connection reset switchnot Check the position of the keyboard keysnot Check all IC installednot Check the boot diskette in drive Anot Check speaker connections
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
1 First Check Power SupplyCheck the power supply voltage level in the slot I O
Diagnosis
not What is the main card is connected properly
not What is power supply fan rotate
not What is the connection P8 and P9 are connected with the good
If there is no voltage level on the pin connection P8 and P9 power supply then a series of problems in the power supply
Improve power supply with how to change with the new power supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 Check 2 Clock signal
Measure signal CLK OSC PCLK RESET drv I O CH RDY I O CH chk pin slot on the I O with a logic probe or osiloskope
Diagnosisnot If no signal CLK OSC PCLK check the crystal and a series of
clock generatornot If the Reset drv always high check the power good signal a series
of power on reset and manual reset switch conditionnot If there is no signal I O CH RDY and I O CH chk check all loose
and daughter boards If still problematic the problem is on the motherboard and the series
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Checks 3 CPU and DMA
Check the signal ALE MEMR MEMW IOR IOW AEN with a logic probe or osiloskope
Diagnosisnot If the signal ALE MEMR MEMW IOR IOW not the credits check
the motherboard CPU
not If the signal AEN is not balance check the DMA
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
Code Error MessageCode Error Message
POST damage on Unit I O expansion 180113
damage Unit I O expansion 18xx12
POST Damage on the units hard disk 170111
damaged hard disk 17xx10
damaged floppy drive 6019
damage POST or floppy drive adapter 6xx8
keyboard did not terespon 3017
damage the keyboard 3xx6
damaged RAM Test 2015
damage RAM Memory 2xx4
timer on the system board 1023
damage on the system board interrupt 1012
the system board 1xx1
DescriptionCodeNo
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 2 General diagnosisGeneral diagnosis
bull Includendashsystem configurationndashsystem configuration changesndashdisk format
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 3 Diagnosis and the search for damageDiagnosis and the search for damage
bull Diagnosis includes three categories namely
ndashsoftware (bad command or file name disk not ready internal error overflow)
ndashconfiguration error code (configuration too large for memory error 201 - system unit 601 x parity chech)
ndashsystem lockup
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull How do I solve the diagnosis and damage to the computer
bull What is POST and what can I do
TaskTurn on the PC observe and record the process going match with the theory that there is
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation
Repair The PCRepair The PC
Repairs and Re-Setting System PC
HOME
1 Training participants can diagnose the problems that some kinds of peripherals installed in the computer
2 Training participants can determine how to complete
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting MotherboardTroubleshooting Motherboard
To know the problems that may occur not Check connection cable and main power supply voltage DC
cablenot Check the keyboard cable connectionnot Check the monitor cable connection and a monitor power cablenot Check CMOS configuration settingsnot Check power cable connection and a USB data drivenot Check all daughter board or card inserted in the slot I Onot Check connection reset switchnot Check the position of the keyboard keysnot Check all IC installednot Check the boot diskette in drive Anot Check speaker connections
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
1 First Check Power SupplyCheck the power supply voltage level in the slot I O
Diagnosis
not What is the main card is connected properly
not What is power supply fan rotate
not What is the connection P8 and P9 are connected with the good
If there is no voltage level on the pin connection P8 and P9 power supply then a series of problems in the power supply
Improve power supply with how to change with the new power supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 Check 2 Clock signal
Measure signal CLK OSC PCLK RESET drv I O CH RDY I O CH chk pin slot on the I O with a logic probe or osiloskope
Diagnosisnot If no signal CLK OSC PCLK check the crystal and a series of
clock generatornot If the Reset drv always high check the power good signal a series
of power on reset and manual reset switch conditionnot If there is no signal I O CH RDY and I O CH chk check all loose
and daughter boards If still problematic the problem is on the motherboard and the series
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Checks 3 CPU and DMA
Check the signal ALE MEMR MEMW IOR IOW AEN with a logic probe or osiloskope
Diagnosisnot If the signal ALE MEMR MEMW IOR IOW not the credits check
the motherboard CPU
not If the signal AEN is not balance check the DMA
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
2 2 General diagnosisGeneral diagnosis
bull Includendashsystem configurationndashsystem configuration changesndashdisk format
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 3 Diagnosis and the search for damageDiagnosis and the search for damage
bull Diagnosis includes three categories namely
ndashsoftware (bad command or file name disk not ready internal error overflow)
ndashconfiguration error code (configuration too large for memory error 201 - system unit 601 x parity chech)
ndashsystem lockup
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull How do I solve the diagnosis and damage to the computer
bull What is POST and what can I do
TaskTurn on the PC observe and record the process going match with the theory that there is
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation
Repair The PCRepair The PC
Repairs and Re-Setting System PC
HOME
1 Training participants can diagnose the problems that some kinds of peripherals installed in the computer
2 Training participants can determine how to complete
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting MotherboardTroubleshooting Motherboard
To know the problems that may occur not Check connection cable and main power supply voltage DC
cablenot Check the keyboard cable connectionnot Check the monitor cable connection and a monitor power cablenot Check CMOS configuration settingsnot Check power cable connection and a USB data drivenot Check all daughter board or card inserted in the slot I Onot Check connection reset switchnot Check the position of the keyboard keysnot Check all IC installednot Check the boot diskette in drive Anot Check speaker connections
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
1 First Check Power SupplyCheck the power supply voltage level in the slot I O
Diagnosis
not What is the main card is connected properly
not What is power supply fan rotate
not What is the connection P8 and P9 are connected with the good
If there is no voltage level on the pin connection P8 and P9 power supply then a series of problems in the power supply
Improve power supply with how to change with the new power supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 Check 2 Clock signal
Measure signal CLK OSC PCLK RESET drv I O CH RDY I O CH chk pin slot on the I O with a logic probe or osiloskope
Diagnosisnot If no signal CLK OSC PCLK check the crystal and a series of
clock generatornot If the Reset drv always high check the power good signal a series
of power on reset and manual reset switch conditionnot If there is no signal I O CH RDY and I O CH chk check all loose
and daughter boards If still problematic the problem is on the motherboard and the series
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Checks 3 CPU and DMA
Check the signal ALE MEMR MEMW IOR IOW AEN with a logic probe or osiloskope
Diagnosisnot If the signal ALE MEMR MEMW IOR IOW not the credits check
the motherboard CPU
not If the signal AEN is not balance check the DMA
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
3 3 Diagnosis and the search for damageDiagnosis and the search for damage
bull Diagnosis includes three categories namely
ndashsoftware (bad command or file name disk not ready internal error overflow)
ndashconfiguration error code (configuration too large for memory error 201 - system unit 601 x parity chech)
ndashsystem lockup
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull How do I solve the diagnosis and damage to the computer
bull What is POST and what can I do
TaskTurn on the PC observe and record the process going match with the theory that there is
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation
Repair The PCRepair The PC
Repairs and Re-Setting System PC
HOME
1 Training participants can diagnose the problems that some kinds of peripherals installed in the computer
2 Training participants can determine how to complete
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting MotherboardTroubleshooting Motherboard
To know the problems that may occur not Check connection cable and main power supply voltage DC
cablenot Check the keyboard cable connectionnot Check the monitor cable connection and a monitor power cablenot Check CMOS configuration settingsnot Check power cable connection and a USB data drivenot Check all daughter board or card inserted in the slot I Onot Check connection reset switchnot Check the position of the keyboard keysnot Check all IC installednot Check the boot diskette in drive Anot Check speaker connections
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
1 First Check Power SupplyCheck the power supply voltage level in the slot I O
Diagnosis
not What is the main card is connected properly
not What is power supply fan rotate
not What is the connection P8 and P9 are connected with the good
If there is no voltage level on the pin connection P8 and P9 power supply then a series of problems in the power supply
Improve power supply with how to change with the new power supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 Check 2 Clock signal
Measure signal CLK OSC PCLK RESET drv I O CH RDY I O CH chk pin slot on the I O with a logic probe or osiloskope
Diagnosisnot If no signal CLK OSC PCLK check the crystal and a series of
clock generatornot If the Reset drv always high check the power good signal a series
of power on reset and manual reset switch conditionnot If there is no signal I O CH RDY and I O CH chk check all loose
and daughter boards If still problematic the problem is on the motherboard and the series
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Checks 3 CPU and DMA
Check the signal ALE MEMR MEMW IOR IOW AEN with a logic probe or osiloskope
Diagnosisnot If the signal ALE MEMR MEMW IOR IOW not the credits check
the motherboard CPU
not If the signal AEN is not balance check the DMA
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
bull How do I solve the diagnosis and damage to the computer
bull What is POST and what can I do
TaskTurn on the PC observe and record the process going match with the theory that there is
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation
Repair The PCRepair The PC
Repairs and Re-Setting System PC
HOME
1 Training participants can diagnose the problems that some kinds of peripherals installed in the computer
2 Training participants can determine how to complete
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting MotherboardTroubleshooting Motherboard
To know the problems that may occur not Check connection cable and main power supply voltage DC
cablenot Check the keyboard cable connectionnot Check the monitor cable connection and a monitor power cablenot Check CMOS configuration settingsnot Check power cable connection and a USB data drivenot Check all daughter board or card inserted in the slot I Onot Check connection reset switchnot Check the position of the keyboard keysnot Check all IC installednot Check the boot diskette in drive Anot Check speaker connections
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
1 First Check Power SupplyCheck the power supply voltage level in the slot I O
Diagnosis
not What is the main card is connected properly
not What is power supply fan rotate
not What is the connection P8 and P9 are connected with the good
If there is no voltage level on the pin connection P8 and P9 power supply then a series of problems in the power supply
Improve power supply with how to change with the new power supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 Check 2 Clock signal
Measure signal CLK OSC PCLK RESET drv I O CH RDY I O CH chk pin slot on the I O with a logic probe or osiloskope
Diagnosisnot If no signal CLK OSC PCLK check the crystal and a series of
clock generatornot If the Reset drv always high check the power good signal a series
of power on reset and manual reset switch conditionnot If there is no signal I O CH RDY and I O CH chk check all loose
and daughter boards If still problematic the problem is on the motherboard and the series
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Checks 3 CPU and DMA
Check the signal ALE MEMR MEMW IOR IOW AEN with a logic probe or osiloskope
Diagnosisnot If the signal ALE MEMR MEMW IOR IOW not the credits check
the motherboard CPU
not If the signal AEN is not balance check the DMA
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
Repair The PCRepair The PC
Repairs and Re-Setting System PC
HOME
1 Training participants can diagnose the problems that some kinds of peripherals installed in the computer
2 Training participants can determine how to complete
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting MotherboardTroubleshooting Motherboard
To know the problems that may occur not Check connection cable and main power supply voltage DC
cablenot Check the keyboard cable connectionnot Check the monitor cable connection and a monitor power cablenot Check CMOS configuration settingsnot Check power cable connection and a USB data drivenot Check all daughter board or card inserted in the slot I Onot Check connection reset switchnot Check the position of the keyboard keysnot Check all IC installednot Check the boot diskette in drive Anot Check speaker connections
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
1 First Check Power SupplyCheck the power supply voltage level in the slot I O
Diagnosis
not What is the main card is connected properly
not What is power supply fan rotate
not What is the connection P8 and P9 are connected with the good
If there is no voltage level on the pin connection P8 and P9 power supply then a series of problems in the power supply
Improve power supply with how to change with the new power supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 Check 2 Clock signal
Measure signal CLK OSC PCLK RESET drv I O CH RDY I O CH chk pin slot on the I O with a logic probe or osiloskope
Diagnosisnot If no signal CLK OSC PCLK check the crystal and a series of
clock generatornot If the Reset drv always high check the power good signal a series
of power on reset and manual reset switch conditionnot If there is no signal I O CH RDY and I O CH chk check all loose
and daughter boards If still problematic the problem is on the motherboard and the series
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Checks 3 CPU and DMA
Check the signal ALE MEMR MEMW IOR IOW AEN with a logic probe or osiloskope
Diagnosisnot If the signal ALE MEMR MEMW IOR IOW not the credits check
the motherboard CPU
not If the signal AEN is not balance check the DMA
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
1 Training participants can diagnose the problems that some kinds of peripherals installed in the computer
2 Training participants can determine how to complete
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting MotherboardTroubleshooting Motherboard
To know the problems that may occur not Check connection cable and main power supply voltage DC
cablenot Check the keyboard cable connectionnot Check the monitor cable connection and a monitor power cablenot Check CMOS configuration settingsnot Check power cable connection and a USB data drivenot Check all daughter board or card inserted in the slot I Onot Check connection reset switchnot Check the position of the keyboard keysnot Check all IC installednot Check the boot diskette in drive Anot Check speaker connections
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
1 First Check Power SupplyCheck the power supply voltage level in the slot I O
Diagnosis
not What is the main card is connected properly
not What is power supply fan rotate
not What is the connection P8 and P9 are connected with the good
If there is no voltage level on the pin connection P8 and P9 power supply then a series of problems in the power supply
Improve power supply with how to change with the new power supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 Check 2 Clock signal
Measure signal CLK OSC PCLK RESET drv I O CH RDY I O CH chk pin slot on the I O with a logic probe or osiloskope
Diagnosisnot If no signal CLK OSC PCLK check the crystal and a series of
clock generatornot If the Reset drv always high check the power good signal a series
of power on reset and manual reset switch conditionnot If there is no signal I O CH RDY and I O CH chk check all loose
and daughter boards If still problematic the problem is on the motherboard and the series
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Checks 3 CPU and DMA
Check the signal ALE MEMR MEMW IOR IOW AEN with a logic probe or osiloskope
Diagnosisnot If the signal ALE MEMR MEMW IOR IOW not the credits check
the motherboard CPU
not If the signal AEN is not balance check the DMA
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
Troubleshooting MotherboardTroubleshooting Motherboard
To know the problems that may occur not Check connection cable and main power supply voltage DC
cablenot Check the keyboard cable connectionnot Check the monitor cable connection and a monitor power cablenot Check CMOS configuration settingsnot Check power cable connection and a USB data drivenot Check all daughter board or card inserted in the slot I Onot Check connection reset switchnot Check the position of the keyboard keysnot Check all IC installednot Check the boot diskette in drive Anot Check speaker connections
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
1 First Check Power SupplyCheck the power supply voltage level in the slot I O
Diagnosis
not What is the main card is connected properly
not What is power supply fan rotate
not What is the connection P8 and P9 are connected with the good
If there is no voltage level on the pin connection P8 and P9 power supply then a series of problems in the power supply
Improve power supply with how to change with the new power supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 Check 2 Clock signal
Measure signal CLK OSC PCLK RESET drv I O CH RDY I O CH chk pin slot on the I O with a logic probe or osiloskope
Diagnosisnot If no signal CLK OSC PCLK check the crystal and a series of
clock generatornot If the Reset drv always high check the power good signal a series
of power on reset and manual reset switch conditionnot If there is no signal I O CH RDY and I O CH chk check all loose
and daughter boards If still problematic the problem is on the motherboard and the series
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Checks 3 CPU and DMA
Check the signal ALE MEMR MEMW IOR IOW AEN with a logic probe or osiloskope
Diagnosisnot If the signal ALE MEMR MEMW IOR IOW not the credits check
the motherboard CPU
not If the signal AEN is not balance check the DMA
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
1 First Check Power SupplyCheck the power supply voltage level in the slot I O
Diagnosis
not What is the main card is connected properly
not What is power supply fan rotate
not What is the connection P8 and P9 are connected with the good
If there is no voltage level on the pin connection P8 and P9 power supply then a series of problems in the power supply
Improve power supply with how to change with the new power supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 Check 2 Clock signal
Measure signal CLK OSC PCLK RESET drv I O CH RDY I O CH chk pin slot on the I O with a logic probe or osiloskope
Diagnosisnot If no signal CLK OSC PCLK check the crystal and a series of
clock generatornot If the Reset drv always high check the power good signal a series
of power on reset and manual reset switch conditionnot If there is no signal I O CH RDY and I O CH chk check all loose
and daughter boards If still problematic the problem is on the motherboard and the series
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Checks 3 CPU and DMA
Check the signal ALE MEMR MEMW IOR IOW AEN with a logic probe or osiloskope
Diagnosisnot If the signal ALE MEMR MEMW IOR IOW not the credits check
the motherboard CPU
not If the signal AEN is not balance check the DMA
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
2 Check 2 Clock signal
Measure signal CLK OSC PCLK RESET drv I O CH RDY I O CH chk pin slot on the I O with a logic probe or osiloskope
Diagnosisnot If no signal CLK OSC PCLK check the crystal and a series of
clock generatornot If the Reset drv always high check the power good signal a series
of power on reset and manual reset switch conditionnot If there is no signal I O CH RDY and I O CH chk check all loose
and daughter boards If still problematic the problem is on the motherboard and the series
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Checks 3 CPU and DMA
Check the signal ALE MEMR MEMW IOR IOW AEN with a logic probe or osiloskope
Diagnosisnot If the signal ALE MEMR MEMW IOR IOW not the credits check
the motherboard CPU
not If the signal AEN is not balance check the DMA
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
3 Checks 3 CPU and DMA
Check the signal ALE MEMR MEMW IOR IOW AEN with a logic probe or osiloskope
Diagnosisnot If the signal ALE MEMR MEMW IOR IOW not the credits check
the motherboard CPU
not If the signal AEN is not balance check the DMA
How improvement is to replace the motherboard with a new motherboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
4 Check 4 Keyboard check
Check signal KBCLK KBDATA on the keyboardReset the system and press the key on the keyboard check on the signal path data keyboard
- Diagnosisndash If KBCLK and KBDATA no damage
from the keyboard is on the line motherboardndash How improvement replace the motherboard with a new
motherboardndash If KBCLK and KBDATA not have any damage from the
keyboard on the keyboard
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
Evaluation1 How do I diagnose a damaged Power Supply Explain 2 How to diagnose a motherboard that error
Task bull Open up a PC Write about the hardware specifications of
the PC and then match it with existing PC documents What specification PC hardware installed in accordance with the documents information that is available
Module 4 Repairs and Re-Setting System PC
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
Investigate System Repair Result PC SupplyInvestigate System Repair Result PC Supply
Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
bull After learning of this study Training participants can find out whether the improvement peripherals have to work again or not
Learning Objectives
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
Troubleshooting power supplyTroubleshooting power supply
1 For the type of TXIf the power switch is turned on the fan will rotateVoltage on the connector P8 and P9 when measured with a voltmeter as shown in the table is 31 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power switch is turned on
Picture Power Supply Type TX
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
Voltage Output Type of Power Supply TXVoltage Output Type of Power Supply TX
bull ISA Systems Multi-lead cable (all models) model 25 286bull PC XT AT model 25 model 30 model 30 286bull P1 (PS8 on AT) J7 P3 J7bull 1 power good 1048706 1 power good 10487061 1 power good 1048706 same as model 25bull 2 nc (AT +5V) 2 ground 2 groundbull 3 + 12 V 3 +12 V 3 + 12 Vbull 4 -1 2 V 4 -1 2 V 4 -1 2 Vbull 5 gr ound 5 gr ound 5 gr oundbull 6 gr ound 6 gr ound 6 gr oundbull 7 gro undbull P2 (PS9 on AT) 8 gro und P4 J14bull 1 gr ound 9 -5 V 1 gr ound 1 gr oundbull 2 gr ound 10 +5 V 2 gr ound 2 gr oundbull 3 -5 V 11 +5 V 3 -5 V 3 +5 Vbull 4 + 5 V 12 +5 V 4 + 5 V 4 + 5 Vbull 5 +5 V 5 +5 V 5 +5 Vbull 6 +5 V 6 +5 V
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
2 For the type of ATX
If the power switch is turned on or the power cord dicolokkan the fan still all in the socket when the voltage is measured with a voltmeter will be zero except the pin 9 is +5 V as a voltage source at the position stanby If pin 14 is connected to the right with a 9 pin cable the fan will rotate voltage on each pin socket 20 when measured with a voltmeter as shown in the table is 32 Especially for power good signal when measured with the voltmeter akan bertegangan +5 V down momentarily and then be near 0V when power is turned on
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
3 Likelihood of Damage
Total dead (no output voltage on all pins)Voltage output is not stable+12 V output voltage greater+12 V output voltage dropNo output voltage +5 VThere is no signal voltage on the power good
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
4 Procedure and troubleshooting
Check the existence of the voltage source from net if there is no (meaning there is damage to the voltage source fix dead jalajala wait for life)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
bull Check the power cable and connectors with a multimeter If the row to drop out replace the cable that is still good
bull Check whether the fan rotatesbull Check all the pins on the DC voltage output connectorsbull Check the switch on off the power supplybull Check soldiran path connection components and
electronic components (active components Dioda transistor or SCR and pasip components resistor capacitor PTC fuse)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
Flowchart Damage Power SupplyFlowchart Damage Power Supply
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
Troubleshooting KeyboardTroubleshooting Keyboard
Keyboard some keyboard models namely1 83-Key PC Keyboard2 84-Key AT Keyboard3 84-Key Space-Saving Keyboard4 101-Key Keyboard5 Other Keyboard StylesEach button key on the keyboard with the IBM declared a four1 Characters shown on the surface of the cover lock2 Character code of each character key cover3 The lock code reading4 Decimal place of key figures
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
Keys on the keyboard may be delayed or does not work becausebull Clog sewagebull The switch plate or per weakbull Track dropoutsbull Damage to the chip that is inside
ndash To overcome this the keyboard needs to be treated in a way1 avoid the entry of dirt and animals to the keyboard2 to provide adequate air circulation on the keyboard
ndash If interference occurs the steps that must be made namely1 remove the cover lock2 clean up all the dirt is in3 improve the per plate or a key subject4 close the back cover lock as
Module 4 Repairs and Re-Setting System PC
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
Keyboard Troubleshooting
Checking the general functions of the keyboard areCheck the switch not XT AT (switch must be in a position for connection to the AT-AT system)
not Check the keyboard lock on the front panel system is in open condition
not Check cable connection and the keyboard is connected properly with the system board Connections that are less well will cause problems
not Check glowing LED on the keyboard during the power on whether to flash
Module 4 Repairs and Re-Setting System PC
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
bull Possible Damage
1Keyboard does not operate a full
2Some of the key does not work
3The key is broken or depression
4The keyboard interface
5The keyboard connector
6The keyboard cable
Module 4 Repairs and Re-Setting System PC
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
bull Procedure and troubleshooting1 The keyboard on the keyboard Mikrokontroller soldiran passive
components on the keyboard dry the PCB on the keyboard to drop out Or can be also caused by a series of interface units in the system is broken To isolate areas of damage can easily be done in a way to connect the keyboard to either the unit system the problem disappears if the damage to the keyboard and if not then the damage to the set of interface units in the system
2 The logic pendekode row or column in the keyboard or the line dropped out or PCB soldiran dry or casual contact This problem can be solved with the keyboard is good
3 Apear drop out or switch depression For that need to be replaced4 The keyboard on the motherboard chipset To change this chipset
IC (SMD IC) or replace the motherboard is good5 Damage due to dropping out or interested in the frequency of use
To replace the keyboard connector6 USB keyboard dropouts checked with the multimeter and then to
Module 4 Repairs and Re-Setting System PC
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
bull Use Diagnostic Softwarebull For testing the function can use the software keyboard checkit
bull QA plus PC tools and Norton utilities Facilities provided in this software is not checking the button is pressed or the lock-key keyboard
Module 4 Repairs and Re-Setting System PC
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
Troubleshooting Floppy Disk Drive Troubleshooting Floppy Disk Drive or Hard Diskor Hard Disk
Possible damageDamage to the floppy disk drivenot The system displays the disk directory is not suitablenot The system can not be read from all drivesnot wrong when reading floppy disks written on a PC the
otherDamage to the hard disknot The system can not booting from the hard disknot disk performance decreases
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
bull Diagnostic procedures and trouble shooting floppy disk drivebull When reading the system disk in the floppy drive first the
information on the FAT and root directory will be copied to memory
bull A copy of this disegarkan akan reading the content of the diskette in the new Replacement diskete line modifier resulted in changing the disk If this type of problem occurs check jumpers setting on the modifier line disk
bull Check the data cable and power (check the LED lights a flame in the drive)
bull Head dirty drive (clean the drive head with the cleaning head)bull Possible damage to the series of logic drive (try to replace the
drive with another)bull Possible damage to the controller (try to change the other
controller)bull Due sesuainya not format the drive or disk is not appropriate Try
reading the other floppy disks
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
bull Diagnostic procedures and trouble shooting hard diskbull not settings in the CMOS drive type does not match or lost
(run SETUP and autodetect the hard disk type)bull not corrupted boot track (re-install the boot track using the
command SYS)bull not BUFFERS in CONFIGSYS is set too small (add
increase the value of BUFFERS in CONFIGSYS)bull not SCANDISK Run program to manage data in the hard diskbull not Interleave does not fit (do low-level format)
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
Evaluation1) What steps are needed to ensure that the conditions
peripherals remain in good condition 2) Corrective steps which needed to be damage to the
peripherals is not extended to the other peripherals
Task 1) Read the Instruction Manual of each equipment 2) Make improvements to the summary procedure of the
respective peripherals
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PC
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
ReferencesReferences
Dikmenjur 2004 Dikmenjur 2004 Melakukan perbaikan dan Melakukan perbaikan dan atau atau settingsetting ulang sistem PC ulang sistem PC Modul T Modul TKJ KJ
Dikmenjur JakartaDikmenjur Jakarta
Module 4 Repairs and Re-Setting System PC
Melakukan perbaikan dan atau setting ulang sistem PCHOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
THANKS FOR YOUR ATTENTIONTHANKS FOR YOUR ATTENTION
Module 4 Repairs and Re-Setting System PC
HOME
