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 diagnosticsSafety instructionsRemoving the system coverRemoving an expansion card from expansion card riser 2 or 3Installing an expansion card into the expansion card riser 2 or 3Installing the system coverTroubleshooting 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.3. Remove the system cover.4. Ensure that each expansion card is firmly seated in its connector.5. Install the system cover.6. Turn on the system and attached peripherals.7. If the problem is not resolved, turn off the system and attached peripherals, and disconnect thesystem from the electrical outlet.8. Remove the system cover.9. Remove all expansion cards installed in the system.10. Install the system cover.11. Run the appropriate diagnostic test. See the Using system diagnostics section.If the tests fail, see the Getting help section.12. For each expansion card you removed in step 8, perform the following steps:a. Turn off the system and attached peripherals, and disconnect the system from the electricaloutlet.235
