Steps1. Run the appropriate diagnostic test. For more information, see Using System Diagnostics.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. If the problem is not resolved, turn off the system and attached peripherals, and disconnect thesystem from the electrical outlet.7. Remove the system cover.8. Remove all expansion cards installed in the system.9. Install the system cover.If the tests fail, see Getting Help.10. 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.b. Remove the system cover.c. Reinstall one of the expansion cards.d. Install the system cover.e. Run the appropriate diagnostic test. For more information, see Using System Diagnostics.Next stepsIf the problem persists, see Getting Help.Troubleshooting processorsPrerequisitesCAUTION: 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 came with the product.Steps1. Run the appropriate diagnostics test. See Using System Diagnostics for available diagnostic tests.2. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.3. Remove the system cover.4. Ensure that the processor and heat sink are properly installed.5. Install the system cover.6. Run the appropriate diagnostic test. For more information, see Using System Diagnostics.Next stepsIf the problem persists, see Getting Help.192