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64 Chapter 4
PCMCIA-Related Symptoms
Memory-Related Symptoms
Speaker-Related Symptoms
Power Management-Related Symptoms
The system doesn’t power-off. Power source (battery pack and power
adapter). See “Power System Check” on page
53.
Hold and press the power switch for more than
4 seconds.
System board
Battery can’t be charged. See “Check the Battery Pack” on page 53.
Battery pack
System board
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 doesn't enter hibernation mode
and four short beeps every minute.
Press Fn+
o and 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
Symptom / Error Action in Sequence