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Chapter 4 95
PCMCIA-Related Symptoms
Memory-Related Symptoms
Speaker-Related Symptoms
Power Management-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
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