Power-Related Symptoms Symptom/Error
Action in Sequence
The system doesn’t power-off.
Power source (battery pack and power adapter). See Power System Check”. Hold and press the power switch for more than 4 seconds. System board
Battery can’t be charged.
See “Check the Battery Pack”. Battery pack System board
PCMCIA-Related Symptoms 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
Memory-Related Symptoms Symptom / Error Memory count (size) appears different from actual size.
Action in Sequence Enter BIOS Setup Utility to execute “Load Default Settings, then reboot system. DIMM System board
Speaker-Related Symptoms 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
Power Management-Related Symptoms Symptom/Error
86
Action in Sequence
The system will not enter hibernation.
Keyboard (if control is from the keyboard) Hard disk drive System board
The system does not 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 System board
Chapter 4
