Dell Power Supply C8000 Owner's Manual page 268

5 Remove the sled from the enclosure. See "Removing a Compute Sled" on
page 192. See the compute sled's documentation for more information.
6 Check the memory channels and ensure that they are populated correctly.
7 Reseat the memory modules in their sockets. See the compute sled's
documentation for more information.
8 Reinstall the sled into the enclosure.
9 Turn on the sled and attached peripherals.
10 Enter the System Setup program and check the system memory settings.
See "Main Menu" on page 74.
If the problem is not resolved, proceed with the next step.
11 Turn off the sled and attached peripherals.
12 Remove the sled from the enclosure.
13 If a diagnostic test or error message indicates a specific memory module as
faulty, swap or replace the module.
14 To troubleshoot an unspecified faulty memory module, replace the
memory module in the first DIMM socket with a module of the same type
and capacity. See the compute sled's documentation for more information.
15 Reinstall the sled into the enclosure.
16 Turn on the sled and attached peripherals.
17 As the system boots, observe any error message that appears and the
diagnostic indicators on the front of the system.
18 If the memory problem is still indicated, repeat step 11 through step 17 for
each memory module installed.
19 If the problem persists after all memory modules have been checked, see
"Getting Help" on page 289.
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Troubleshooting