HP Kayak XU 04xx Handbook page 20

Number Description
of
Beeps
9 The BIOS Checksum
value does not match the
value encoded in the
BIOS.
10 The CMOS RAM has
failed.
11 The cache memory test
failed.
Action to Take...
Perform the following actions in this order:
1 Press F2 to enter the Setup program,
then F9 to load the default BIOS settings.
2 Clear the CMOS.
3 Flash the BIOS.
If the error still occurs, replace the system
board.
Perform the following actions in this order:
1 Press F2 to enter the Setup program,
then F9 to load the default BIOS settings.
2 Clear the CMOS.
3 Flash the BIOS.
If the error still occurs, replace the system
board.
Replace the processor(s).
Beep, POST, and Error Codes A-3
A