Troubleshooting A Hard-Drive - Dell PowerEdge C8220 Hardware Owner's Manual

17 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 "Installing Memory Modules" on page 164.
18 Replace the cooling shroud. See "Installing the Cooling Shroud" on
page 152.
19 Reinstall the sled into the enclosure. See "Installing a Sled" on page 144.
20 Turn on the sled and attached peripherals.
21 As the system boots, observe any error message that appears and the
diagnostic indicators on the front of the system.
22 If the memory problem is still indicated, repeat step 13 through step 21 for
each memory module installed.
23 If the problem persists after all memory modules have been checked, see
"Getting Help" on page 241.

Troubleshooting a Hard-Drive

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 came with the
product.
CAUTION:
This troubleshooting procedure can destroy data stored on the
hard-drive. Before you proceed, back up all files on the hard-drive.
1 If your sled has a RAID controller and your hard-drives are configured in a
RAID array, perform the following steps:
Restart the sled and enter the host adapter configuration utility
a
program by pressing <Ctrl><H> for a RAID controller,
<Ctrl><C> for a SAS mezzanine card, or <Ctrl><I> for the
onboard RAID controller.
See the documentation supplied with the host adapter for information
about the configuration utility.
Ensure that the hard-drive(s) have been configured correctly for the
b
RAID array.
Troubleshooting
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