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Chapter 4 4-13
Note: If you cannot find a symptom or an error in this list and the problem
remains, see “Undetermined Problems”.
Intermittent Problems
Intermittent system hang problems can be caused by a variety of reasons
that have nothing to do with a hardware defect, such as: cosmic radiation,
Power Management-Related Symptoms
Symptom / Error Spare Part / Action in Sequence
The system will not enter
hibernation
1. Keyboard (if control is from the keyboard)
2. Hard disk
3. Main board
The system will not wake up from
hibernation
1. Keyboard (if control is from the keyboard)
2. Hard disk
3. Main board
The system will not enter standby
after close the LCD
1. LCD cover switch
2. Main board
Battery fuel gauge does not go
higher than 90%.
1. Remove battery pack and let it cool for 2 hours.
2. Refresh battery (continue use battery until power off,
then charge battery).
3. Battery
4. DC/DC & charge board
5. Main board
System configuration does not
match the installed devices.
1. Enter BIOS Utility to execute load setup default
settings, then reboot system.
2. Reseat CD-ROM/DVD module.
System hangs intermittently. 1. Hard Disk/CD-ROM/DVD drive connector
2. Fan
3. Main board
In DOS or Windows, multimedia
programs, no sound comes from
the computer.
1. Speaker
2. Main board
Peripheral-Device-Related Symptoms
Symptom / Error Spare Part / Action in Sequence
External display does not work
correctly.
1. Main board
USB does not work correctly 1. Main board
Print problems. 1. Run printer self-test.
2. Printer driver
3. Printer cable
4. Main Board
Serial or parallel port device
problems.
1. Device driver
2. Device cable
3. Device
4. Main board
700SG-4.fm Page 13 Thursday, May 28, 1998 1:13 PM