Dell POWEREDGE 1900 Hardware Owner's Manual page 114

• Missing or corrupted tape-backup software or tape drive device driver
• Defective SCSI controller
Action
1 Remove the tape cartridge you were using when the problem occurred, and replace it with a tape
cartridge that you know works.
2 Ensure that the SCSI device drivers for the tape drive are installed and are configured correctly.
3 Reinstall the tape-backup software as instructed in the tape-backup software documentation.
4 Ensure that the tape drive's interface/DC power cable is connected to the tape drive and SCSI
controller card.
5 Verify that the tape drive is configured for a unique SCSI ID number and that the tape drive is
terminated or not terminated, based on the interface cable used to connect the drive.
See the documentation for the tape drive for instructions on selecting the SCSI ID number and
enabling or disabling termination.
6 Run the appropriate online diagnostics tests. See "Using Server Administrator Diagnostics" on
page 121.
7 Open or remove the bezel. See "Removing the Bezel" on page 46.
8 Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
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.
9 Open the system. See "Opening the System" on page 48.
10 Ensure that the SCSI controller card is firmly seated in its connector. See "Installing an Expansion
Card" on page 57.
11 Close the system. See "Closing the System" on page 48.
12 Reconnect the system to the electrical outlet, and turn on the system, including 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 131 for information on obtaining
technical assistance.
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Troubleshooting Your System