78 Chapter 4NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “Undetermined Problems” on page 80.
System hangs intermittent ly. See “Thermal and Fan Utility” on page 38.
Reconnect hard disk/CD-ROM drives.
Hard disk connection bo ard
Main Board
Peripheral-Related Symptoms
Symptom / Error Action in Sequence
System configuration d oes not match the
installed devices. Enter BIOS Setup Utility to execute “Load Default Settings”, then
reboot system.
Reconnect hard disk/CD-ROM /diskette drives.
External display does not work cor r ec t ly. Press Fn+F5, LCD/CRT/Both di sp la y sw i t c hin g
See “Running PQA Diagnostics Program” on page 39.
Main Board
USB does not work correctly See “Running PQA Diagnosti c s Program” on page 39
Main Board
Print problems. Ensure the “Parallel Port” in the “Onboard Devices Configuration”
of BIOS Setup Utility is set to Enabled.
Onboard Devices Configuratio n
Run printer self-test.
Printer driver
Printer cable
Printer
Main Board
Serial or parallel port device problems. Ensure the “Serial Port” i n the Devices Configuration” of BIOS
Setup Utility is set to Enabled.
Device driver
Device cable
Device
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 touchpad cabl e.
Touchpad board
Main Board
Modem-Related Symptoms
Symptom / Error Action in Sequence
Internal modem does not work correctly. modem board
Main Board
Power Management-Related Symptoms
Symptom / Error Action in Sequence