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84 Troubleshooting
Error Symptom-to-FRU Index
The symptom-to-FRU index lists the symptoms and errors and their possible
causes. The most likely cause is listed first.
Note:
Perform the FRU replacement or actions in the sequence shown
in FRU/Action column, if the FRU replacement does not solve the
problem, put the original part back in the computer. Do not replace
a non-defective FRU.
This index can also help you determine the next possible FRU to be replaced
when servicing a computer.
If the symptom is not listed, see “Undetermined Problems” on page 92.
The following lists the error messages that the BIOS displays on the screen
and the error symptoms classified by function.
Note:
Most of the error messages occur during POST. Some of them
display information about a hardware device, e.g., the amount of
memory installed. Others may indicate a problem with a device,
such as the way it has been configured.
Note:
If the system fails after you make changes in the BIOS Setup
Utility menus, reset the computer, enter Setup and install Setup
defaults or correct the error.
Error Messages List
Error Messages Action in Sequence
Failure Fixed Disk Reconnect hard disk drive connector.
“Load Default Settings” in BIOS Setup Utility.
Hard disk drive
System board
Stuck Key “Keyboard or Auxiliary Input Device Check”.
Keyboard error “Keyboard or Auxiliary Input Device Check”.
Keyboard Controller Failed “Keyboard or Auxiliary Input Device Check” .
Keyboard locked - Unlock
key switch
Unlock external keyboard.
Monitor type does not
match CMOS - Run Setup
Run “Load Default Settings” in BIOS Setup Utility.
Shadow RAM Failed at
offset: nnnn
BIOS ROM
System board
System RAM Failed at
offset: nnnn
DIMM
System board
Extended RAM Failed at
offset:nnnn
DIMM
System board