Probleml Error message indicates a problem with an expansion card.l Expansion card performs incorrectly or not at all.Action1. Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running System Diagnostics."2. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.3. Open the system. See "Opening the System."4. Ensure that each expansion card is firmly seated in its connector. See "Installing an Expansion Card" in "Installing System Components."5. Close the system. See "Closing the System."6. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.If the problem persists, go to the next step.7. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.8. Open the system. See "Opening the System."9. Remove all expansion cards installed in the system. See "Removing an Expansion Card" in "Installing System Components."10. Close the system. See "Closing the System."11. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.12. Run the appropriate online diagnostic test.If the tests fail, see "Getting Help."13. For each expansion card you removed in step 9, perform the following steps:a. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.b. Open the system. See "Opening the System."c. Reinstall one of the expansion cards. See "Installing an Expansion Card."d. Close the system. See "Closing the System."e. Run the appropriate diagnostic test.If the tests fail, see "Getting Help."Troubleshooting the MicroprocessorsProbleml Error message indicates a processor problem.l A heat sink is not installed for each processor.ActionCAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs asauthorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is notauthorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs asauthorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is notauthorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.