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86 Chapter 4
Power Management-Related Symptoms
Symptom / Error Action in Sequence
The system will not enter hibernation Keyboard (if control is from the keyboard)
Hard disk drive
Main Board
The system doesn't enter hibernation mode
and four short beeps every minute.
See “Hibernation Mode” on page 28.
Press Fn+F4 and see if the computer enters hibernation mode.
Touchpad
Keyboard
Hard disk connection board
Hard disk drive
Main Board
The system doesn’t enter standby mode after
closing the LCD
See “Standby Mode” on page 28.
LCD cover switch
Main Board
The system doesn't resume from hibernation
mode.
See “Hibernation Mode” on page 28.
Hard disk connection board
Hard disk drive
Main Board
The system doesn't resume from standby
mode after opening the LCD.
See “Standby Mode” on page 28.
LCD cover switch
Main Board
Battery fuel gauge in Windows doesn’t go
higher than 90%.
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
System hangs intermittently. See “Thermal and Fan Utility” on page 46.
Reconnect hard disk/CD-ROM drives.
Hard disk connection board
Main Board
Peripheral-Related Symptoms
Symptom / Error Action in Sequence
System configuration does not match the
installed devices.
Enter BIOS Setup Utility to execute “Load Default Settings”, then
reboot system.
Reconnect hard disk/CD-ROM/diskette drives.
External display does not work correctly. Press Fn+F5, LCD/CRT/Both display switching
See “Running PQA Diagnostics Program” on page 50.
Main Board
USB does not work correctly See “Running PQA Diagnostics Program” on page 50
Main Board
Print problems. Ensure the “Parallel Port” in the “Onboard Devices Configuration”
of BIOS Setup Utility is set to Enabled.
Onboard Devices Configuration
Run printer self-test.
Printer driver
Printer cable
Printer
Main Board