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xxxi
Speaker-Related Symptoms
Power Management-Related Symptoms
Peripheral-Related Symptoms
Symptom / Error Action in Sequence
In Windows, multimedia programs, no
sound comes from the computer.
■
Reinstall the audio driver.
■
Test or replace the speakers.
■
Test or replace the system board.
The internal speakers make noise or
emit no sound.
■
Test or replace the speakers.
■
Test or replace the system board.
Symptom / Error Action in Sequence
The system will not enter hibernation.
■
Test or replace the keyboard (if control is from the
keyboard).
■
Test or replace the hard disk drive.
■
Test or replace the system board.
The system doesn't enter hibernation
mode and emits 4 short beeps every
minute.
■
Press Fn+o and see if the computer enters hibernation
mode.
■
Test or replace the touchpad.
■
Test or replace the keyboard.
■
Check the hard disk connection to the system board.
■
Test or replace the hard disk drive.
■
Test or replace the system board.
The system doesn’t enter standby mode
after closing the LCD.
■
Test or replace the LCD cover switch.
■
Test or replace the system board.
The system doesn't resume from
hibernation mode.
■
Check the hard disk connection to the system board.
■
Test or replace the hard disk drive.
■
Test or replace the system board.
The system doesn't resume from standby
mode after opening the LCD.
■
Test or replace the LCD cover switch.
■
Test or replace the system board.
The battery fuel gauge in Windows
doesn’t go higher than 90%.
■
Remove the battery pack and let it cool for 2 hours.
■
Refresh the battery (continue use battery until power off,
then charge the battery).
■
Test or replace the battery pack.
■
Test or replace the system board.
The system hangs intermittently.
■
Reconnect the hard disk/CD-ROM drives.
■
Check the hard disk connection to the system board.
■
Test or replace the system board.
Symptom / Error Action in Sequence
System configuration does not match
the installed devices.
■
Enter BIOS Setup Utility to execute “Load Default Settings”,
then reboot the system.
■
Reconnect the hard disk drive/CD-ROM/diskette drives.
The external display does not work
correctly.
■
Press Fn+F5 repeatedly to switch between LCD/CRT, and
both displays.
■
Test or replace the system board.