82 Chapter 4

Power-Related SymptomsPCMCIA-Related SymptomsMemory-Related SymptomsSpeaker-Related Symptoms
Symptom / Error Action in Sequence
Power shuts down during operation. Power source (battery pack and power adapter).
See “Power System Check” on page 71.
Battery pack
Power adapter
Hard drive & battery connection board
System board
The system doesn’t power-on. Power source (battery pack and power adapter).
See “Power System Check” on page 71.
Battery pack
Power adapter
Hard drive & battery connection board
System board
The system doesn’t power-off. Power source (battery pack and power adapter).
See “Power System Check” on page 71.
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 72.
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