Troubleshooting 171
3. If the server does not boot, the internal health LED is red, the server has two
processors installed, and both processor error LEDs are illuminated:
a. Verify the VRMs are installed for each processor.
b. Verify the DIMMs are installed properly.
c. Remove all adapter boards and restart the server. If the server boots,
install adapter boards one at a time to determine which one prevents the
server from booting.
d. Remove processor 2 and restart the server. If the server boots, processor
2 has failed and should be replaced.
e. Replace processor 1 with the processor from socket 2, and restart the
server. If the server boots, the original processor 1 has failed and should
be replaced.
f. If the server does not boot after the following these steps, replace the
system board.
System open circuits and short circuits
Action:
CAUTION: Do not operate the server for long periods without
the access panel. Operating the server without the access panel results
in improper airflow and improper cooling that can lead to thermal
damage.
1. Check the server LEDs to see if any statuses indicate the source of the
problem. For LED information, refer to the server documentation.
2. Remove all power sources to the server.
3. Be sure no loose connections (on page 154
) exist in the area.
4. Be sure each component in the area is working. Refer to the section for each
component in this guide.
If you cannot determine the problem by checking the specific area, perform each
of the following actions. Restart the server after each action to see if the problem
has been corrected.
• Reseat all I/O expansion boards.
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