10. Run the appropriate diagnostic test. For more information, see Using System Diagnostics.If the tests fail, see Getting Help.11. 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 electrical outlet.b) Open the system.c) Reinstall one of the expansion cards.d) Close the system.e) Run the appropriate diagnostic test. For more information, see Using System Diagnostics.If a problem is still indicated, see Getting Help.Troubleshooting ProcessorCAUTION: Many repairs may only be done by a certified service technician. You should only performtroubleshooting and simple repairs as authorized in your product documentation, or as directed by the online ortelephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by yourwarranty. Read and follow the safety instructions that came with the product.1. 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. Open the system.4. Ensure that the processor(s) and heat sink(s) are properly installed.5. Close the system.6. Run the appropriate diagnostic test. For more information, see Using System Diagnostics.If a problem is still indicated, see Getting Help.135
