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CHAPTER 4: Troubleshooting
130
Memory
Sound
Power management
Symptom / Error Action in Sequence
Memory count (size) appears different from
actual size.
n
Run “Load Setup Defaults” using the BIOS Setup Utility, then reboot
the notebook.
n
Test or replace the SO-DIMM.
n
Test or replace the system board.
Symptom / Error Action in Sequence
No sound comes from the notebook when
running Windows multimedia programs.
n
Reinstall the audio driver.
n
Test or replace the speakers.
n
Test or replace the system board.
The internal speakers make noise or emit no
sound.
n
Test or replace the speakers.
n
Test or replace the system board.
Symptom / Error Action in Sequence
The notebook will not hibernate.
n
Test or replace the keyboard (if control is from the keyboard).
n
Test or replace the hard disk drive.
n
Test or replace the system board.
The system doesn't hibernate and emits four
short beeps every minute.
n
Press Fn+o and see if the notebook enters hibernation mode.
n
Test or replace the touchpad.
n
Test or replace the keyboard.
n
Check the hard disk connection to the system board.
n
Test or replace the hard disk drive.
n
Test or replace the system board.
The notebook doesn’t enter standby mode after
closing the LCD.
n
Make sure that the magnet is in the magnet holder. For more
information, see “Replacing the LCD” on page 100.
n
Test or replace the system board.
The system doesn't resume from hibernation
mode.
n
Check the hard disk connection to the system board.
n
Test or replace the hard disk drive.
n
Test or replace the system board.
The system doesn't resume from standby mode
after opening the LCD.
n
Make sure that the magnet is in the magnet holder. For more
information, see “Replacing the LCD” on page 100.
n
Test or replace the system board.
The battery fuel gauge in Windows doesn’t go
higher than 90%.
n
Remove the battery pack and let it cool for two hours.
n
Refresh the battery (use only battery power until the notebook turns
off, then charge the battery).
n
Test or replace the battery pack.
n
Test or replace the system board.
The system hangs intermittently.
n
Reconnect the hard disk drive and optical drive.
n
Check the hard disk connection to the system board.
n
Test or replace the system board.