Expansion CardsComputer Maintenance

Video Card (video adapter) (graphics card)

Motherboard doesn’t have built-in video Better video performance than motherboard

provides Built-in video fails or is troublesome Need to use two or more monitors

Reasons for a Video Card

Right-click on Desktop Click on Screen Resolution

Resolution Multiple monitors

Setting Display Properties

Video Card Ports

Sound Card (audio card)

Microphone input: For a computer microphone.

Line input: For an external line source such as a CD player

Speaker/headphone output: For speakers or headphones.

External Sound Connections

Network Card (NIC)

RJ-45 port Speeds: 10, 100, 1000 Mbps Check cable first when not working Check status lights

Wired vs. Wireless

Overview

Modem

2 RJ-11 ports◦ One connects to the phone line and the other is to

connect a phone Max speed of 56Kbps

External modem used for Cable and DSL

Overview

Other Cards

TV Tuner Card Interface Adapter Cards

◦ USB 3.0◦ Firewire◦ Parallel◦ Serial

POST Card

Examples

Installation

Select appropriate expansion slot◦ ISA, PCI, PCIe, AGP (video cards)

Use safety precautions

Plug and Play

Install drivers if needed

Applies to all Cards