v For information about power-supply problems, see “Solving power problems”
on page 101, “Power problems” on page 94, and “Power-supply LEDs” on page
69.
v For intermittent problems, check the event log; see “Event logs” on page 73 and
Appendix C, “DSA diagnostic test results,” on page 685.
Performing the checkout procedure
Use this information to perform the checkout procedure.
About this task
To perform the checkout procedure, complete the following steps:
Procedure
1. Is the server part of a cluster?
v No: Go to step 2.
v Yes: Shut down all failing servers that are related to the cluster. Go to step 2.
2. Complete the following steps:
a. Check the power supply LEDs (see “Power-supply LEDs” on page 69).
b. Turn off the server and all external devices.
c. Check all internal and external devices for compatibility at
http://www.ibm.com/systems/info/x86servers/serverproven/compat/us.
d. Check all cables and power cords.
e. Set all display controls to the middle positions.
f. Turn on all external devices.
g. Turn on the server. If the server does not start, see “Troubleshooting by
symptom” on page 80.
h. Check the system-error LED on the operator information panel or LCD
operating panel assembly (see “Operator information panel” on page 20
or“LCD operating panel assembly” on page 21).
i. Check for the following results:
v Successful completion of POST (see “POST” on page 76 for more
information)
v Successful completion of startup, which is indicated by a readable display
of the operating-system desktop
3. Is there a readable image on the monitor screen?
v No: Find the failure symptom in “Troubleshooting by symptom” on page 80;
if necessary, see “Solving undetermined problems” on page 104.
v Yes: Run DSA (see “Running the DSA Preboot diagnostic programs” on page
78).
– If DSA reports an error, follow the instructions in Appendix C, “DSA
diagnostic test results,” on page 685.
– If DSA does not report an error but you still suspect a problem, see
“Solving undetermined problems” on page 104.
Chapter 3. Troubleshooting 65
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