Chapter 4 99
The system doesn’t power-off. TPower source (battery pack and power adapter). See “Power
System Check” on page 89.
THold and press the power switch for more than 4 seconds.
TMainboard
Battery can’t be charged TSee “Check the Battery Pack” on page 89.
TBattery pack
TMainboard
PCMCIA-Related Symptoms
Symptom / Error Check or do the following in sequence
System cannot detect the PC Card
(PCMCIA)
TPCMCIA slot assembly
TMainboard
PCMCIA slot pin is damaged. PCMCIA slot assembly
Memory-Related Symptoms
Symptom / Error Check or do the following in sequence
Memory count (size) appears different from
actual size.
TRun “Load Setup Defaults” in BIOS Setup Utility, then reboot
system.
TDIMM
TMainboard
Speaker-Related Symptoms
Symptom / Error Check or do the following in sequence
In Windows, multimedia programs, no
sound comes from the computer.
TAudio driver
TSpeaker
TMainboard
Internal speakers make noise or emit no
sound.
TSpeaker
TMainboard
Power Management-Related Symptoms
Symptom / Error Check or do the following in sequence
The system will not enter hibernation TSee “Save to Disk (S4) on page 34.
TKeyboard (if control is from the keyboard)
THard disk drive
TMainboard
The system doesn't enter hibernation mode
and four short beeps every minute.
TPress Fn+o and see if the computer enters hibernation
mode.
TTouchpad
TKeyboard
THard disk connection board
THard disk drive
TMainboard
The system doesn’t enter standby mode
after closing the LCD
TSee “Save to Disk (S4) on page 34.
TMainboard
Power-Related Symptoms
Symptom / Error Check or do the following in sequence