Acer 1000 用户手册

Chapter 4

93

Index of Symptom-to-FRU Error Message

LCD backlight doesn't work.
LCD is too dark.
LCD brightness cannot be 
adjusted.
LCD contrast cannot be 
adjusted.

Enter BIOS Utility to execute Load Setup Default 
Settings, then reboot system.
Reconnect the LCD connectors.
Keyboard (if contrast and brightness function key do 
not work).
LCD inverter ID
LCD cable
LCD inverter
LCD
System board

Unreadable LCD screen 
Missing pels in characters
Abnormal screen 
Wrong color displayed

Reconnect the LCD connector.
LCD inverter ID
LCD cable
LCD inverter
LCD
System board

LCD has extra horizontal or 
vertical lines displayed.

LCD inverter ID
LCD inverter
LCD cable
LCD
System board

Indicator incorrectly remains 
off or on, but system runs 
correctly.

Reconnect the inverter board
Inverter board
System board

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

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