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Speaker-Related Symptoms
Symptom / Error
In Windows, multimedia programs, no sound
comes from the computer.
Internal speakers make noise or emit n
sound.
Power Management-Related Symptoms
Symptom / Error
The system will not enter hibernation
The system doesn't enter hibernation mode
and four short beeps every minute.
The system doesn't enter standby mode after
closing the LCD
The system doesn't resume from hibernation
mode.
The system doesn't resume from standby
mode after opening the LCD.
Battery fuel gauge in Windows doesn't go
higher than 90%.
System hangs intermittently.
Peripheral-Related Symptoms
Symptom / Error
System configuration does not match the
installed devices.
External display does not work correctly.
USB does not work correctly
84
Action in Sequence
Audio driver
Speake
Main Board
Speake
Main Board
Action in Sequence
Keyboard (if control is from the keyboard
Hard disk drive
Main Board
See "Hibernation Mode" on page 24.
Press Fn+F4 and see if the computer enters hibernation mode.
Touchpad
Keyboard
Hard disk connection boar
Hard disk drive
Main Board
See "Standby Mode" on page 24.
LCD cover switch
Main Board
See "Hibernation Mode" on page 24.
Hard disk connection boar
Hard disk drive
Main Board
See "Standby Mode" on page 24.
LCD cover switch
Main Board
Remove battery pack and let it cool for 2 hours.
Refresh battery (continue use battery until power off, then charge
battery).
Battery pack
Main Board
See "Thermal and Fan Utility" on page 40.
Reconnect hard disk/CD-ROM drives.
Hard disk connection boar
Main Board
Action in Sequence
Enter BIOS Setup Utility to execute "Load Default Settings", then
reboot system.
Reconnect hard disk/CD-ROM/diskette drives.
Press Fn+F5, LCD/CRT/Both display switching
See "Running PQA Diagnostics Progra " on page 43.
Main Board
See "Running PQA Diagnostics Progra " on page 43
Main Board
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