9. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.10. Enter the System Setup and ensure that the Internal SD Card Port and Internal SD Card Redundancy mode isenabled.11. Check if the SD card is functioning properly.If the problem persists, see Getting Help.Troubleshooting An Optical 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.1. Try using a different CD or DVD.2. Enter the System Setup and ensure that the integrated SATA controller and the drive's SATA port are enabled.3. Run the appropriate diagnostic test.4. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.5. Open the system.6. Remove the front bezel.7. Ensure that the interface cable is securely connected to the optical drive and to the controller.8. Ensure that a power cable is properly connected to the drive.9. Close the system.If the problem is not resolved, see Getting Help.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.131
