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Solving undetermined problems
Use this information to solve undetermined problems.
About this task
If Dynamic System Analysis (DSA) did not diagnose the failure or if the server is
inoperative, use the information in this section.
If you suspect that a software problem is causing failures (continuous or
intermittent), see “Software problems” on page 196.
Corrupted UEFI firmware can cause undetermined problems, if you suspect that
the UEFI firmware is corrupted, see “Recovering from a UEFI update failure or
UEFI image corruption” on page 201.
If the power supplies are working correctly, complete the following steps:
Procedure
1.
Turn off the server.
2.
Make sure that the server is cabled correctly.
3.
Remove or disconnect the following devices, one at a time, until you find the
failure. Turn on the server and reconfigure it each time.
v
Any external devices.
v
Surge-suppressor device (on the server).
v
Printer, mouse, and non-IBM devices.
v
Each adapter.
v
Hard disk drives.
v
Memory modules. The minimum configuration requirement is one DIMM in
each DDR3 compute book.
4.
Turn on the server.
Results
If the problem is solved when you remove an adapter from the server but the
problem recurs when you reinstall the same adapter, suspect the adapter; if the
problem recurs when you replace the adapter with a different one, try a different
PCIe slots.
If you suspect a networking problem and the server passes all the system tests,
suspect a network cabling problem that is external to the server.
Chapter 4. Troubleshooting
199
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