Power Related Symptoms

Symptom/Error

Action in Sequence

Power shuts down during operation.

Power source (battery pack and power adapter). See Power System Check. 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. Battery pack Power adapter

Hard drive & battery connection board System board

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

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

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

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

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