User guide

124 Troubleshooting Your System
9 Open the system. See "Opening the System" on page 47.
10 Ensure that the SCSI controller card is firmly seated in its connector. See
"Installing an Expansion Card" on page 73.
11 Close the system. See "Closing the System" on page 47.
12 Reconnect the system to the electrical outlet, and turn on the system and
attached peripherals.
13 If the problem is not resolved, see the documentation for the tape drive for
additional troubleshooting instructions.
14 If you cannot resolve the problem, see "Getting Help" on page 141 for
information on obtaining technical assistance.
Troubleshooting a Hard Drive
Problem
• Device driver error.
• One or more hard drives not recognized by the system.
Action
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.
NOTICE: This troubleshooting procedure can destroy data stored on the hard
drive. Before you proceed, back up all files on the hard drive.
1 Run the appropriate online diagnostics test. See "Using Dell PowerEdge
Diagnostics" on page 131.
Depending on the results of the diagnostics test, proceed as needed
through the following steps.
2 If you are experiencing problems with multiple hard drives, skip to step 6.
For a problem with a single hard drive, continue to the next step.
3 If your system has a SAS RAID controller, perform the following steps.
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