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153
ExpressCard
Memory
Sound
Power management
The notebook doesn’t turn off.
■
Test the power source (battery pack and power adapter). See “Testing
the power system” on page 141.
■
Press and hold the power button for more than four seconds.
■
Test or replace the system board.
The battery can’t be charged.
■
Test the battery pack. See “Check the battery pack” on page 142.
■
Test or replace the battery pack.
■
Test or replace the system board.
Symptom / Error Action in Sequence
The notebook cannot detect the ExpressCard.
■
Test or replace the system board.
ExpressCard slot pin is damaged.
■
Test or replace the system board.
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.
Symptom / Error Action in Sequence