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Chapter 4 101
Error Message List
No beep Error Messages FRU/Action in Sequence
No beep, power-on indicator turns off and LCD is
blank.
Power source (battery pack and power adapter). See “Power
System Check” on page 95.
Ensure every connector is connected tightly and correctly.
Reconnect the DIMM.
LED board.
System board.
No beep, power-on indicator turns on and LCD is
blank.
Power source (battery pack and power adapter). See “Power
System Check” on page 95.
Reconnect the LCD connector
Hard disk drive
LCD inverter ID
LCD cable
LCD Inverter
LCD
System board
No beep, power-on indicator turns on and LCD is
blank. But you can see POST on an external
CRT.
Reconnect the LCD connectors.
LCD inverter ID
LCD cable
LCD inverter
LCD
System board
No beep, power-on indicator turns on and a
blinking cursor shown on LCD during POST.
Ensure every connector is connected tightly and correctly.
System board
No beep during POST but system runs correctly. Speaker
System board
Error Beep List
Code Beeps Description
00h Two long beeps, one short beep, then one long beep. Success
F1h One long and one short beeps. BIOS file size mismatch
F2h One long and two short beeps BIOS reading error
D1h Two short beeps. Floppy drive not installed