Peripheral-Related Symptoms; Keyboard/Touchpad-Related Symptoms; Modem-Related Symptoms - Acer Aspire 8930G Service Manual

Peripheral-Related Symptoms

System configuration does not match the
installed devices.
External display does not work correctly.
USB does not work correctly
Print problems.
Serial or parallel port device problems.

Keyboard/Touchpad-Related Symptoms

Keyboard (one or more keys) does not work.
Touchpad does not work.

Modem-Related Symptoms

Internal modem does not work correctly.
NOTE: If you cannot find a symptom or an error in this list and the problem remains, see "Undetermined
Problems" on page 82.
80
Symptom / Error
Symptom / Error
Symptom / Error
Action in Sequence
Enter BIOS Setup Utility to execute "Load
Default Settings", then reboot system.
Reconnect hard disk/CD-ROM/diskette drives.
Press Fn+F5, LCD/CRT/Both display
switching
System board
System board
Ensure the "Parallel Port" in the "Onboard
Devices Configuration" of BIOS Setup Utility is
set to Enabled.
Onboard Devices Configuration
Run printer self-test.
Printer driver
Printer cable
Printer
System Board
Ensure the "Serial Port" in the Devices
Configuration" of BIOS Setup Utility is set to
Enabled.
Device driver
Device cable
Device
System board
Action in Sequence
Reconnect the keyboard cable.
Keyboard
System board
Reconnect touchpad cable.
Touchpad board
System board
Action in Sequence
Modem phone port
modem combo board
System board
Chapter 4