Troubleshooting A Hard Drive - Dell POWEREDGE 840 Hardware Owner's Manual

6 Open the system. See "Opening the System" on page 43.
CAUTION:
Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. Before performing any procedure, see your Product Information Guide for
complete information about safety precautions, working inside the computer and protecting against electrostatic
discharge.
7 Ensure that the SCSI controller card is firmly seated in its connector. See "Installing an Expansion
Card" on page 72.
8 Ensure that the tape drive's data and power cables are properly connected to the tape drive and SCSI
controller card.
9 Close the system. See "Closing the System" on page 47.
10 Reconnect the system to its electrical outlet and turn on the system, including attached peripherals.
11 If the problem is not resolved, see the documentation for the tape drive for additional troubleshooting
instructions.
12 Reinstall the tape backup software as instructed in the tape backup software documentation.
13 If you cannot resolve the problem, see "Getting Help" on page 121 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:
Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. Before performing any procedure, see your Product Information Guide for
complete information about safety precautions, working inside the computer and protecting against electrostatic
discharge.
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 111.
Depending on the results of the diagnostics test, proceed as needed through the following steps.
2 If your system has a SAS RAID controller, perform the following steps.
Restart the system and press <Ctrl><R> to enter the host adapter configuration utility program.
a
See the documentation supplied with the host adapter for information about the configuration
utility.
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Troubleshooting Your System