172 Chapter 4
Error Message ListInvalid System Configuration Data BIOS ROM
System board
I/O device IRQ conflict Run “Load Default Settings” in BIOS Setup
Utility.
RTC battery
System board
Operating system not found Enter Setup and see if fixed disk and drive A
are properly identified.
Diskette drive
Hard disk drive
System board
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
167.
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
167.
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 Messages FRU/Action in Sequence