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Chapter 4 81
Invalid 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, power-on indicator
turns off and LCD is blank.
Power source (battery pack and power adapter). See
Power System Check.
Ensure every connector is connected 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.
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 Message FRU/Action in Sequence