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Check Procedures 37
“Action/FRU” column. When servicing a system,
always begin with “Start” on page 31.
If you are unable to correct the problem using these
two index tables, go to “Undetermined Problems” on
page 72.
NOTE:
1. If an error message and incorrect audio response
occur, diagnose the error message first.
2. If you cannot run the diagnostics program tests but
did receive a POST error code and message, use
“Table 2-1 POST Error Codes and Messages List”
on page 38 to diagnose system problems.
3. If you cannot run the diagnostics program tests but
did receive a POST error beeps, use See “Table 2-
2 BIOS Error Beeps List” on page 45 to diagnose
system problems.
4. If you did not receive any error message, look for a
description of your error symptoms in “Table 2-3
Error Symptoms List” on page 48.
IMPORTANT: Check all power supply voltages,
switch, and jumper settings before you replace
the system board. Also check the power supply
voltages if you have a “system no-power”
condition.
5. If you are unable to correct the problem by using
the “BIOS Error Codes, Messages, and Beeps
List” table and “Error Symptoms List” table, go to
“Undetermined Problems” on page 72.