4. Replace the failed SD card with a new SD card.5. Install the system cover.6. Reconnect the system to its electrical outlet and turn on the system, including any attachedperipherals.7. Enter System Setup, and ensure that the Internal SD Card Port and Internal SD Card Redundancymodes are set to the required modes.Verify that the correct SD slot is set as Primary SD Card.8. Check if the SD card is functioning properly.9. If the Internal SD Card Redundancy option is set to Enabled at the time of the SD card failure, thesystem prompts you to perform a rebuild.NOTE: The rebuild is always sourced from the primary SD card to the secondary SD card.Troubleshooting an optical drivePrerequisitesCAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat came with the product.Steps1. Try using a different CD or DVD.2. If the problem is not resolved, enter System Setup and ensure that the integrated SATA controller andthe 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. If installed, remove the bezel.6. Remove the system cover.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. Install the system cover.Next stepsIf the problem is not resolved, see Getting Help.Troubleshooting a tape backup unitPrerequisitesCAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat came with the product.138
