2. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.3. Remove the system cover.4. Verify that the installed expansion cards are compliant with the expansion card installationguidelines.5. Ensure that each expansion card is firmly seated in its connector.6. Install the system cover.7. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.8. If the problem is not resolved, turn off the system and attached peripherals, and disconnect thesystem from the electrical outlet.9. Remove the system cover.10. Remove all expansion cards installed in the system.11. Install the system cover.12. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.13. Run the appropriate diagnostic test. See the Using system diagnostics section. If the tests fail, see theGetting help section.14. For each expansion card you removed in step 10, perform the following steps:a. Turn off the system and attached peripherals, and disconnect the system from the electricaloutlet.b. Remove the system cover.c. Reinstall one of the expansion cards.d. Install the system cover.e. Run the appropriate diagnostic test. See the Using system diagnostics section.If the problem persists, see the Getting help section.Related LinksGetting helpUsing system diagnosticsRemoving the system coverInstalling the system coverRemoving an expansion cardInstalling an expansion cardTroubleshooting expansion cardsPrerequisitesCAUTION: 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.NOTE: When troubleshooting an expansion card, you also have to see the documentation for youroperating system and the expansion card.Steps1. Run the appropriate diagnostic test. See the Using system diagnostics section.2. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.203
