CHAPTER 4: Troubleshooting
112
Memory
Sound
Power management
Symptom / Error Action in Sequence
Memory count (size) appears different from
actual size.
■
Run “Load Setup Defaults” using the BIOS Setup Utility, then reboot
the notebook.
■
Test or replace the SO-DIMM.
■
Test or replace the system board.
Symptom / Error Action in Sequence
No sound comes from the notebook when
running Windows multimedia programs.
■
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 notebook will not hibernate.
■
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 hibernate and emits four
short beeps every minute.
■
Press Fn+o and see if the notebook 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 notebook doesn’t enter standby mode after
closing the LCD.
■
Make sure that the magnet is in the magnet holder. For more
information, see “Replacing the LCD panel” on page 84.
■
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.
■
Make sure that the magnet is in the magnet holder. For more
information, see “Replacing the LCD panel” on page 84.
■
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 two hours.
■
Refresh the battery (use only battery power until the notebook turns
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 drive and optical drive.
■
Check the hard disk connection to the system board.
■
Test or replace the system board.