Power Management - Gateway P-79 Service Manual

Symptom / Error
The notebook doesn't turn off.
The battery can't be charged.
ExpressCard
Symptom / Error
The notebook cannot detect the ExpressCard.
ExpressCard slot pin is damaged.
Memory
Symptom / Error
Memory count (size) appears different from
actual size.
Sound
Symptom / Error
No sound comes from the notebook when
running Windows multimedia programs.
The internal speakers make noise or emit no
sound.

Power management

Symptom / Error
The notebook will not hibernate.
The system doesn't hibernate and emits four
short beeps every minute.
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Action in Sequence
Test the power source (battery pack and power adapter). See
the power system" on page
Press and hold the power button for more than four seconds.
Test or replace the system board.
Test the battery pack. See
Test or replace the battery pack.
Test or replace the system board.
Action in Sequence
Test or replace the system board.
Test or replace the system board.
Action in Sequence
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.
Action in Sequence
Reinstall the audio driver.
Test or replace the speakers.
Test or replace the system board.
Test or replace the speakers.
Test or replace the system board.
Action in Sequence
Test or replace the keyboard (if control is from the keyboard).
Test or replace the hard disk drive.
Test or replace the system board.
o
Press Fn+ 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.
141.
"Check the battery pack" on page
"Testing
142.
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