Index Of Symptom-To-Fru Error Message - AOpen OpenBook 1556 Service Manual

Index of Symptom-to-FRU Error Message

Error Message List
No beep Error Messages
No beep, power-on indicator turns off and LCD is
blank.
No beep, power-on indicator turns on and LCD is
blank.
No beep, power-on indicator turns on and LCD is
blank. But you can see POST on an external
CRT.
No beep, power-on indicator turns on and a
blinking cursor shown on LCD during POST.
No beep during POST but system runs correctly.
LCD-Related Symptoms
Symptom / Error
LCD backlight doesn't work
LCD is too dark
LCD brightness cannot be adjusted
LCD contrast cannot be adjusted
Unreadable LCD screen
Missing pels in characters
Abnormal screen
Wrong color displayed
LCD has extra horizontal or vertical lines
displayed.
Chapter 4
FRU/Action in Sequence
Power source (battery pack and power adapter). See "Power
System Check" on page 84.
Ensure every connector is connected tightly and correctly.
Reconnect the DIMM.
LED board.
Main Board.
Power source (battery pack and power adapter). See "Power
System Check" on page 84.
Reconnect the LCD connector
Hard disk drive
LCD inverter ID
LCD cable
LCD Inverter
LCD
Main Board
Reconnect the LCD connectors.
LCD inverter ID
LCD cable
LCD inverter
LCD
Main Board
Ensure every connector is connected tightly and correctly.
Main Board
Speaker
Main Board
Action in Sequence
Enter BIOS Utility to execute "Load Setup Default Settings", then
reboot system.
Reconnect the LCD connectors.
Keyboard (if contrast and brightness function key doesn't work).
LCD inverter ID
LCD cable
LCD inverter
LCD
Main Board
Reconnect the LCD connector
LCD inverter ID
LCD cable
LCD inverter
LCD
Main Board
LCD inverter ID
LCD inverter
LCD cable
LCD
Main Board
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