Troubleshooting A Tape Backup UnitCAUTION: Many repairs may only be done by a certified service technician. You should only performtroubleshooting and simple repairs as authorized in your product documentation, or as directed by the online ortelephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by yourwarranty. Read and follow the safety instructions that came with the product.1. Try using a different tape cartridge.2. Ensure that the device drivers for the tape backup unit are installed and are configured correctly. See your tapedrive documentation for more information about device drivers.3. Reinstall the tape-backup software as instructed in the tape-backup software documentation.4. Ensure that the tape drive’s interface cable is fully connected to the external port on the controller card.5. Check that the controller card is properly installed:a) Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.b) Open the system.c) Reseat the controller card in the expansion card slot.d) Close the system.e) Turn on the system and attached peripherals.6. Run the appropriate diagnostic test. For more information, see Using System Diagnostics.If you cannot resolve the problem, see Getting Help.Troubleshooting A Hard DriveCAUTION: Many repairs may only be done by a certified service technician. You should only performtroubleshooting and simple repairs as authorized in your product documentation, or as directed by the online ortelephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by yourwarranty. Read and follow the safety instructions that came with the product.CAUTION: This troubleshooting procedure can erase data stored on the hard drive. Before you proceed, back upall files on the hard drive.1. Run the appropriate diagnostic test. For more information, see Using System Diagnostics.Depending on the results of the diagnostics test, proceed as needed through the following steps.2. If your system has a RAID controller and your hard drives are configured in a RAID array, perform the followingsteps:a) Restart the system and press during system startup to run the Lifecycle Controller, and then run theHardware Configuration wizard to check the RAID configuration.See the Lifecycle Controller documentation or online help for information on RAID configuration.b) Ensure that the hard drive(s) have been configured correctly for the RAID array.c) Take the hard drive offline and reseat the drive.d) Exit the configuration utility and allow the system to boot to the operating system.3. Ensure that the required device drivers for your controller card are installed and are configured correctly. See theoperating system documentation for more information.4. Restart the system and enter the System Setup.5. Verify that the controller is enabled and the drives are displayed in the System Setup.If the problem persists, try troubleshooting the expansion cards or see Getting Help.108