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Troubleshooting Your System 129

For internal tape drives, check the internal interface cable connections.

• For a SCSI tape drive, ensure that the interface cable is properly routed and fully connected to the

SCSI controller expansion card.

• For a SATA tape drive, ensure that the interface cable is properly routed and fully connected to the

SATA port on the system board.

Close the system. See "Opening and Closing the System" on page 55.

Reconnect the system to the electrical outlet, and turn on the system, including attached peripherals.

If the problem is not resolved, see the documentation for the tape drive for additional troubleshooting

instructions.

If you cannot resolve the problem, see "Getting Help" on page 147 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.

Run the appropriate online diagnostics test. See "Using Server Administrator Diagnostics" on page 135.

Depending on the results of the diagnostics test, proceed as needed through the following steps.

Remove the bezel. See "Removing the Front Bezel" on page 54.

If you are experiencing problems with multiple hard drives, skip to step 8. For a problem with a single

hard drive, continue to the next step.

Turn off your system, reseat the hard drive, and restart the system.

If your system has a SAS RAID controller daughter card, perform the following steps.

Restart the system and press <Ctrl><R> to enter the host adapter configuration utility program.

See the documentation supplied with the host adapter for information about the configuration

utility.

Dell PowerEdge 2970 User Manual

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