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Beeps
Description
4
System board timer not operational.
5
A processor on the system board generated
an error.
6
The keyboard controller (8042) may be
defective. The BIOS cannot switch to
Protected mode.
7
General exception error (processor
exception error).
8
Display memory error (system video
adapter).
9
The ROM checksum value does not match
the value encoded in the BIOS.
10
The shutdown register for CMOS RAM failed.
11
The cache memory test failed.
Troubleshooting steps
Possible system board malfunction. To
eliminate the possibility of an add in-card
problem, remove all expansion cards.
If the beep code occurs even when all
■
expansion cards have been removed, the
system board is at fault.
If the beep code does not occur when the
■
expansion cards have been removed, one
of the cards is causing the problem. Install
the cards one at a time until the problem
happens again. When the beep code
returns, the most recent card you installed
is at fault.
Try replacing the processors with known
good processors.
Same as for 4 beeps.
Remove the keyboard to see if the error goes
away. If it does, try a known good keyboard.
Same as for 4 beeps.
Same as for 4 beeps.
Same as for 5 beeps
If the system video adapter is an add-in card,
replace or reseat the video adapter. If the
video adapter is integrated into the system
board, the board may be faulty. Try using an
add-in card.
Same as for 4 beeps.
Same as for 4 beeps.
Same as for 4 beeps.
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Table of Contents
Troubleshooting
