..

motherboard .

power supply ..

RAM

VGA card ..

Processor

Hard disk ..

motherboard . motherboard .. motherboard .. Component .. RAM slot .. nothbridge southbridge super I/O .. restart heat heat cut off restart .. .. component

devices 1.CPU 2.RAM 3.VGA

4.ROMBIOS 5.NORTH BRIDGE 6.SOUTH BRIDGE 7.ENVIROMENT

8.MAINBOARD COMPONENTS 1.CPU ..CPU CPU socket cpu socket processor cut off . CPU socket ..socket motherboard motherboard 2.RAM RAM .. RAM .. RAM RAM motherboard ..RAM ..RAM .. RAM ..bios beep .. RAM .. RAM slot ..RAM motherboard .. 3.VGA VGARAM ..bios beep .... built in onboard ..on board beep ..motherboard .. user .. VGA motherboard .. . 4.ROMBIOS ROMBIOS ..motherboard ..bios .. ..bios motherboard ..system hardware device result .. bios .. .. boot ..

bios chip Motherboard .. firmware ..bios upgrade ..software bios upgrade bios program .. bios ..motherboard .. 5.North bridge CPU RAM controller mcc .. north bridge restart motherboard .. 6.South bridge South bridge .. .. electronic devices heat .. motherboard Heat .. ESD .. sorth bridge short processor restart ( ) shut down .... restart ( ) shut down .. .. motherboard 7.ENVIROMENT support

motherboard .. enviroment ..motherboard .. 8.Mainboard components Motherboard electronic component Quality ..capacitor ..short capacitor .. capacitor ..transitor resistor . electronic circuit Component

motherboard .. circuit transistor resistor capacitor .. component ..

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power supply ..

power supply peripheral device power AC DC power distribute .. power supply .. Power supply 1.FAN 2.Components 3.Cord 4.Connector 5.Electrical surge 6.Default industry 1.FAN-power supply fan .. fan troubleshoot .. power supply fan .. .. .. .. power supply fan Revolution per minute RPM FAN power supply heat .. Power supply fan ( ) power supply .. 2.Components power supply circuit board .. circuit board components capacitor converter circuit Power supply .. 3.Cord - leakage motherboard component ( )casing short .. ..

.. 4.Connector power supply DC motherboard connector , hard disk,CD Rom Power connector power connector ( ..) .. connector .. hard disk connnector power connector hard disk CD Rom power connector motherboard connecotor motherboard connector .. 5.Electric surge - power supply power load power supply .. 6.Default industry - Power supply .. ..Power supply Power supply .. Power supply Crashes power supply ( ) Restart , processor RAM Heat power supply symptom .. power supply failure error message .... Heat power supply .. fan .. cpu RAM temperature .. Noise and Smell Power supply fan power supply ..fan ( ) power supply power supply .. Startup Failure - Power power supply fan power .. motherboard peripheral device power motherboard power power supply .. Unexpected shut down shut down power supply

symptom Quick shut down power on POST shut down power freeze power supply .. Power .. Power supply .. power supply .. user power supply circuit condenser (capacitor) capacitor power charge heigh voltage .. .. power supply watts .. power supply .. ..

RAM

RAM RAM CPU Hard disk ..RAM Volatile memory .. Data ..power off .... RAM RAM ..

RAM ..

RAM 1.Electro static Discharge (ESD) 2.Default industry 3.Enviroment 4.Low quality 1.Electro Static Discharge (ESD) electro static charge .... computer electronic device volt ..Volt heat heat electronic devices .. volt micro volt (or) mili volt heat .. .. casing heat Discharge .. RAM RAM .. RAM IC chip ..RAM chip .. chip .. .. ... static charge RAM chip .. .. ESD RAM ..RAM .. 2.Default industry RAM stick RAM hang restart .. RAM ..RAM Default industry .. RAM (warranty) .. 3.Enviroment Enviroment RAM failure ..RAM .. .. RAM

environment 4.low quality RAM .. .. Architecture .. kinston .... standard .. RAM error RAM monitor screen motherboard error beep sound .. BSOD blue screen RAM failure error message ..technical information code ..RAM ( ) restart ..virus ..RAM RAM .. RAM RAM RAM .. error RAM .. RAM RAM RAM ..Physically RAM slot .. slot sound beep error .. RAM RAM ....memory test software memtest 86+ POST card memory test software memtest 86+ ..... ====================================================

VGA card ..

Video graphic array (VGA) card . VGA .. VGA card VGA VGA processor heat .. heat .. graphic application graphic processor overheat .. VGA processor heat sink .. heat sink VGA processor heat

.. heat electronic .. VGA card component capacitor transistor VGA card .. component ..quality capacitor .. ..VGA built in .. built in motherboard on board VGA slot .. VGA slot ..VGA slot VGA card built in motherboard VGA slot motherboard VGA card motherboard ...VGA card card VGA VGA card .. over heat VGA card card component VGA card .. 1.monitor screen color 2.color ..color .. 3.screen cusor ( ) .. 4.video card failure message 5.motherboard beep sound ( ) vga error beep . VGA card .. power ..on on ( LED ) power on .. data cable cable connector pin pin error VGA 15 pin 3 rows ( female connector ) DVI connector ..VGA card .. data cable VGA VGA connector motherboard .. connector confidence .. power on card

..VGA card motherboard .. company .. card motherboard Compactible .. VGA card .. .. VGA card casing device (shut down ).. power supply on/off .. power supply power 5V power supply power distributer 20/24 pin ATX connector pin no 9 .. expansion slot power .. expansion slot card ( ) .. ATX power connector motherboard electro static discharge ATX power connector card .... .. monitor cable ..power supply .. power supply on/off on .. power supply on/off .. power .. .. VGA card .. power cable .. card () VGA card ..VGA card card processor fan fan processor thermal compound () .. .. VGA card .. ==================================================== Processor

processor .. .. .. cpu .. ..

CPU

1.cpu over heat

2.cpu pin

3.cpu fan

4.cpu heat sink

5.ESD

6.Enviroment cpu ..

1.cpu over heat

CPU over heat cpu power cpu .. Load .. cpu heat sink ..heat sink cpu heat sink fan heat sink .. cpu heat sink .. cpu heat sink cpu chip .. heat sink ..cpu heat sink .. heat sink heat sink .. heat sink .. over heat fan .. heat sink fan heat sink .. cpu .. fan .. cpu fan cpu ..cpu fan .. cpu fan ..

2.cpu pin

Cpu pin maintainence cpu .. maintainence cpu motherboard socket ..cpu Pin pin .. pin cpu restart shut down ..

3.cpu fan

CPU fan cpu .. cpu fan fan .. fan cpu fan wire cpu fan cpu fan fan .. fan fan cpu shutdown .. cpu fan cpu fan .. cpu fan cpu .. .. restart cpu fan .. power on .. ..cpu fan .. cpu fan fan .. cpu fan .. cpu fan .. fan restart .. cpu fan

4.cpu heat sink

CPU heat sink cpu .. heat sink cpu heat sink cpu

heat sink .. cpu heat sink

5.ESD

electro static charge .... computer electronic device volt ..Volt heat heat electronic devices .. volt micro volt (or) mili volt heat .. .. casing heat Discharge .. cpu cpu .. cpu pin ..cpu .. ... static charge cpu pin chip shock .. .. ESD cpu ..cpu ..

CPU

6.Enviroment

Enviroment

cpu ..cpu restart shutdown freeze ( ) ..

cpu problem cpu fan heat sink .. cpu problem socket cpu cpu motherboard socket .. motherboard cpu cpu .. motherboard socket problem cpu .. cpu ( ) service ..

cpu .. cpu ..

===================================================

Hard disk ..

Hard disk

Hard disk

1. Firmware Corruption / Damage to the firmware zone 2. Electronic Failure 3. Mechanical Failure 4. Logical Corruption

1. Firmware Corruption / Damage to the firmware zone Hard disk firm ware chip firm ware chip hard disk information ..cylinder head sector

rpm .. firm ware zone .. bios hard disk information ..auto detect information .. firm ware bios hard disk firm ware information bios .. firm ware corruption hard disk hard disk firmware ..

2.Electronic Failure

Electronic failure logic board hard disk controller board .. controller board over load bios detect ..bios hard disk ..

3. Mechanical Failure

Hard disk hard disk component hard disk ..

4. Logical Errors

Hard disk platter cylinder head sector cylinder head sector bad sector hard disk detect (hard disk bios ) operating system OS OS hang master boot record area OS .. logic error .. hard disk

Hard disk ..

bios detect hard disk .. operating system .. hard disk RECOVERY bios detect hard disk ..hard disk power connector

hard disk .. hardware device ..hard disk IDE drive jamper master /slave .. .. bios first boot hard disk ..first boot device floppy disable OS .. hard disk bios detect detect hard disk .. hard disk service .. hard disk hard disk lab .. 90% .. service .

26.10.2010