Symptom / Error

Action in Sequence

The system doesn’t power-off.

Power source (battery pack and power

 

adapter). See “Power System Check” on page

 

53.

 

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 53.

 

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

Enter BIOS Setup Utility to execute “Load

actual size.

Default Settings”, then reboot system.

 

DIMM

 

System board

 

 

Speaker-Related Symptoms

Symptom / Error

Action in Sequence

In Windows, multimedia programs, no sound

Audio driver

comes from the computer.

Speaker

 

System board

 

 

Internal speakers make noise or emit no

Speaker

sound.

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 doesn't enter hibernation mode

Press Fn+o and see if the computer enters

and four short beeps every minute.

hibernation mode.

 

 

Touchpad

 

Keyboard

 

Hard disk connection board

 

Hard disk drive

 

System board

 

 

The system doesn’t enter standby mode after

LCD cover switch

closing the LCD.

System board

 

 

64

Chapter 4

Page 72
Image 72
Acer 8431 PCMCIA-Related Symptoms, Memory-Related Symptoms, Speaker-Related Symptoms, Power Management-Related Symptoms