4. If your system has only one processor installed, ensure that it is installed in the primary processor
socket (CPU1).
5. Install the sled in the enclosure.
6. Turn on the sled.
7. Run the appropriate diagnostic test. For more information, see the Using system diagnostics section.
If the problem persists, see the Getting help section.
Related Links
Using system diagnostics
Getting help
Troubleshooting the system board
Prerequisites
CAUTION: Many repairs may only be done by a certified service technician. You should only
perform troubleshooting and simple repairs as authorized in your product documentation, or as
directed by the online or telephone service and support team. Damage due to servicing that is
not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that are shipped with your product.
Steps
1. Turn off the sled using the operating system commands or the CMC.
2. Remove the sled from the enclosure.
3. Clear the sled NVRAM.
4. If the problem persists, remove and reinstall the sled in the enclosure.
5. Turn on the sled.
6. Run the appropriate diagnostic test. For more information, see the Using System Diagnostics section.
If the tests fail, see the Getting help section.
Related Links
Using system diagnostics
Getting help
Troubleshooting the NVRAM backup battery
Prerequisites
CAUTION: Many repairs may only be done by a certified service technician. You should only
perform troubleshooting and simple repairs as authorized in your product documentation, or as
directed by the online or telephone service and support team. Damage due to servicing that is
not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that are shipped with your product.
The battery maintains the sled configuration, date, and time information in the NVRAM when the sled is
turned off. You may need to replace the battery if an incorrect time or date is displayed during the boot
routine.
You can operate the sled without a battery; however, the sled configuration information maintained by
the battery in NVRAM is erased each time you remove power supply unit from the sled. Therefore, you
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