9. Install the system cover.10. Enter System Setup and check the system memory setting.If the problem is not resolved, proceed with step 11.11. Remove the system cover.12. If a diagnostic test or error message indicates a specific memory module as faulty, swap or replacethe module with a known working memory module.13. To troubleshoot an unspecified faulty memory module, replace the memory module in the firstDIMM socket with a module of the same type and capacity.If an error message is displayed on the screen, this may indicate a problem with the installed DIMMtype(s), incorrect DIMM installation, or defective DIMM(s). Follow the on-screen instructions toresolve the problem.14. Install the system cover.15. As the system boots, observe any error message that is displayed and the diagnostic indicators on thefront of the system.16. If the memory problem persists, repeat step 12 through step 15 for each memory module installed.Next stepsIf the problem persists, see the Getting help section.Related LinksGetting helpUsing system diagnosticsTroubleshooting an internal USB keyPrerequisitesCAUTION: 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 are shipped with your product.Steps1. Enter System Setup and ensure that the USB key port is enabled on the Integrated Devices screen.2. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.3. Remove the system cover.4. Locate the USB key and reseat it.5. Install the system cover.6. Turn on the system and attached peripherals, and check if the USB key is functioning.7. If the problem is not resolved, repeat step 2 and step 3.8. Insert a known working USB key.9. Install the system cover.Next stepsIf the problem persists, see the Getting help section.Related LinksGetting help232
