support.dell.com Checking Inside Your Computer 6-1 This chapter describes troubleshooting procedures for expansion cards, memory,drives, and the system board. Some procedures require you to access the inside ofthe computer and remove and reinstall components. Procedures are also included forreseating the microprocessor and checking a wet or damaged computer. ?$ $ ! " $ /.$ 3 C3 2 2 1 7&, If an error message indicates an expansion-card problem or if an expansion cardseems to perform incorrectly or not at all, the problem could be a faulty connection, aconflict with software or other hardware, or a faulty expansion card. If software prob-lems and conflicts have been eliminated, perform the following general steps totroubleshoot expansion cards:1. Remove the computer cover and support beam as described in “Removing andReplacing the Computer Cover and Support Beam” in Chapter 2.2. Remove all cables attached to the expansion cards.3. Remove each expansion card, and verify any jumper or switch settings.4. Reinstall the expansion cards, fully seating the cards in their connectors.Figure 6-1 illustrates a correctly seated expansion card, and Figure 6-2 illustratesincorrect expansion-card installations.5. Reconnect the cable connectors to the appropriate connectors on the expansioncards.6. Replace the computer cover and support beam, connect all external cables, andturn on the system.The following subsections provide troubleshooting procedures for some specifictypes of expansion cards.