Peripheral-Related Symptoms

Symptom / Error

Action in Sequence

 

 

System configuration does not match the

Enter BIOS Setup Utility to execute “Load Setup defaults”, then

installed devices.

reboot system.

 

Reconnect hard disk/CD-ROM/diskette drives.

 

 

External display does not work correctly.

See if there is an error beep. If there is an erro beep, then change

 

main board.

 

Power off. Then check if RAM CPU BIOS are well-connected.

 

Press Fn+F5 three times slowly

 

LCD FPC

 

LCD inverter

 

LCD

 

 

USB does not work correctly

USB device cable is firmly connected into the USB ports. Test one

 

USB port each time.

 

USB socket is firmly secured to the main board.

 

Main board

 

 

Print problems.

Ensure the “Parallel Port” in the “System Devices” of BIOS Setup

 

Utility is set to Enabled.

 

Onboard Devices Configuration

 

Run parallel port test

 

Printer driver

 

Printer cable

 

Printer

 

Main board

 

 

Keyboard/Touchpad-Related Symptoms

Symptom / Error

Action in Sequence

 

 

Keyboard (one or more keys) does not work.

Reconnect the keyboard cable.

 

Keyboard

 

Main board

 

 

Touchpad does not work.

Reconnect touch pad cable. Modem port is secured to the main

 

board

 

Touch pad FPC

 

Audio/Touch pad board

 

Main board

 

 

Modem-Related Symptoms

Symptom / Error

Action in Sequence

 

 

Internal modem does not work correctly.

Ensure the telephone cable is firmly plugged into the telephone wall

 

socket and the modem port of the computer.

 

Modem phone port is secured to the main board.

 

modem combo board

 

Main board

 

 

NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “Undetermined Problems” on page 73.

Chapter 4

71

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Acer 2900 manual Peripheral-Related Symptoms, Keyboard/Touchpad-Related Symptoms, Modem-Related Symptoms, Lcd Fpc