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80 Chapter 4
Symptom/Error Action in Sequence
System cannot detect the
PC Card (PCMCIA).
PCMCIA slot assembly
System board
PCMCIA slot pin is
damaged.
PCMCIA slot assembly
Symptom / Error Action in Sequence
Memory count (size)
appears different from
actual size.
Enter BIOS Setup Utility to execute “Load Default Settings,
then reboot system.
DIMM
System board
Symptom/Error Action in Sequence
In Windows, multimedia
programs, no sound
comes from the computer.
Audio driver
Speaker
System board
Internal speakers make
noise or emit no sound.
Speaker
System board
Symptom/Error Action in Sequence
The system will not enter
hibernation.
Keyboard (if control is from the keyboard)
Hard disk drive
System board
The system does not
enter hibernation mode
and four short beeps
every minute.
Press Fn + F4
and see if the computer enters hibernation
mode.
Touchpad
Keyboard
Hard disk connection board
Hard disk drive
System board
The system does not
enter standby mode after
closing the LCD.
LCD cover switch
System board
The system does not
resume from hibernation
mode.
Hard disk connection board
Hard disk drive
System board
The system does not
resume from standby
mode after opening the
LCD.
LCD cover switch
System board
Battery fuel gauge in
Windows does not go
higher than 90%.
Remove battery pack and let it cool for two hours.
Refresh battery (continue to use battery until power off, then
charge battery).
Battery pack
System board
System hangs
intermittently.
Reconnect hard disk/CD-ROM drives.
Hard disk connection board
System board