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Chapter 4 111
Battery can’t be charged See “Check the Battery Pack” on page 99.
Battery pack
System board
PCMCIA-Related Symptoms
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
Memory-Related Symptoms
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
Speaker-Related Symptoms
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
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
System board
The system doesn't enter hibernation mode
and four short beeps every minute.
Press Fn+
oand see if the computer enters hibernation mode.
Touchpad
Keyboard
Hard disk connection board
Hard disk drive
System board
The system doesn’t enter standby mode
after closing the LCD
LCD cover switch
System board
The system doesn't resume from
hibernation mode.
Hard disk connection board
Hard disk drive
System board
The system doesn't resume from standby
mode after opening the LCD.
LCD cover switch
System board
Power-Related Symptoms
Symptom / Error Action in Sequence