Power Management-Related Symptoms

Symptom / Error

Action in Sequence

 

 

The system doesn't resume from

See “Save to Disk (S4)” on page 39.

hibernation mode.

Hard disk connection board

 

Hard disk drive

 

System board

 

 

The system doesn't resume from standby

See “Save to Disk (S4)” on page 39.

mode after opening the LCD.

LCD cover switch

 

System board

 

 

Battery fuel gauge in Windows doesn’t go

Remove battery pack and let it cool for 2 hours.

higher than 90%.

Refresh battery (continue use battery until power off, then

 

charge battery).

 

Battery pack

 

System board

 

 

System hangs intermittently.

Reconnect hard disk/CD-ROM drives.

 

Hard disk connection board

 

System board

 

 

Peripheral-Related Symptoms

 

 

 

Symptom / Error

Action in Sequence

 

 

System configuration does not match the

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

installed devices.

then reboot system.

 

Reconnect hard disk/CD-ROM/diskette drives.

 

 

External display does not work correctly.

Press Fn+F5, LCD/CRT/Both display switching

 

System board

 

 

USB does not work correctly

System board

 

 

Print problems.

Ensure the “Parallel Port” in the “Onboard Devices

 

Configuration” of BIOS Setup Utility is set to Enabled.

 

Onboard Devices Configuration

 

Run printer self-test.

 

Printer driver

 

Printer cable

 

Printer

 

System Board

 

 

Serial or parallel port device problems.

Ensure the “Serial Port” in the Devices Configuration” of

 

BIOS Setup Utility is set to Enabled.

 

Device driver

 

Device cable

 

Device

 

System board

 

 

Keyboard/Touchpad-Related Symptoms

 

 

 

Symptom / Error

Action in Sequence

 

 

Keyboard (one or more keys) does not

Reconnect the keyboard cable.

work.

Keyboard

 

System board

 

 

Chapter 4

119

Page 127
Image 127
Acer 7520 manual