Performing the checkout procedure
To perform the checkout procedure, complete the following steps:
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 164).
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 173.
h. Check the system-error LED on the operator information panel. If it is lit,
check the light path diagnostics LEDs (see “Light path diagnostics” on page
156).
i. Check for the following results:
v Successful completion of POST (see “POST” on page 169 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
173; if necessary, see “Solving undetermined problems” on page 189.
v Yes: Run DSA (see “Running the DSA Preboot diagnostic programs” on page
171).
– If DSA reports an error, follow the instructions in Appendix C, “DSA
messages,” on page 321.
– If DSA does not report an error but you still suspect a problem, see
“Solving undetermined problems” on page 189.
Chapter 4. Troubleshooting 153
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