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70 Chapter 4
PCMCIA-Related Symptoms
Symptom / Error Action in Sequence
System cannot detect the PC Card (PCMCIA) PCMCIA slot assembly
Main 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.
DIMM
Main board
Speaker-Related Symptoms
Symptom / Error Action in Sequence
In Windows, multimedia programs, no sound
comes from the computer.
See “Sound Check” on page 66
Audio driver
Speaker
Main board
Internal speakers make noise or emit no sound. See “Sound Check” on page 66
Speaker
Main 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
Main board
The system doesn't 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
Main board
The system doesn’t enter standby mode after
closing the LCD
LCD cover switch
Main board
The system doesn't resume from hibernation
mode.
Hard disk connection board
Hard disk drive
Main board
The system doesn't resume from standby mode
after opening the LCD.
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. Reconnect hard disk drives.
Hard disk drive connector
Main board