Power-Related Symptoms

Symptom / Error

Action in Sequence

 

 

Battery can’t be charged or discharged

See “Check the Battery Pack” on page 85.

 

Battery pack

 

Main board

 

 

System hang during POST

ODD/HDD/FDD/RAM module

 

Main board

 

 

PCMCIA-Related Symptoms

Symptom / Error

Action in Sequence

 

 

System cannot detect the PC Card (PCMCIA)

PCMCIA slot assembly

 

Main board

 

 

PCMCIA slot pin is damaged.

PCMCIA slot assembly

 

 

PC Card cannot be inserted or ejected

Check if the PCMCIA slot is blocked

 

Main board

 

 

Memory-Related Symptoms

Symptom / Error

Action in Sequence

 

 

Memory count (size) appears different from

Enter BIOS Setup Utility to execute “Load Default Settings” then

actual size.

reboot system.

 

RAM module

 

Main board

 

Check BIOS revision

 

 

System can power on, but you hear two long

Reinsert DIMM

beeps: “B--, B--” and the LCD is blank.

DIMM

 

Main board

 

 

Speaker-Related Symptoms

Symptom / Error

Action in Sequence

 

 

In Windows, multimedia programs, no sound

OS volume control

comes from the computer.

Audio driver

 

Speaker

 

Main board

 

 

Internal speakers make noise or emit no sound.

Speaker

 

Main board

 

 

Microphone cannot work

Audio driver

 

Volume control in Windows XP

 

Main board

 

 

Power Management-Related Symptoms

Symptom / Error

Action in Sequence

 

 

The system will not enter hibernation mode

Power option in Windows XP

 

Hard disk drive

 

Main board

 

 

The system doesn’t enter standby mode after

Driver of Power Option Properties

closing the lid of the portable computer.

Lid close switch in upper case

 

Main board

 

 

Chapter 4

94

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Acer 9520 PCMCIA-Related Symptoms, Memory-Related Symptoms, Speaker-Related Symptoms, Power Management-Related Symptoms