Solving Undetermined Problems - IBM System x3850 X6 Installation And Service Manual

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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:

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

4. Turn on the server.

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

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.

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.

Chapter 4. Troubleshooting

System x3950 x6