Troubleshooting Your System 145Troubleshooting ProcessorsCAUTION: Many repairs may only be done by a certified service technician.You should only perform troubleshooting and simple repairs as authorized inyour product documentation, or as directed by the online or telephone serviceand support team. Damage due to servicing that is not authorized by Dell isnot covered by your warranty. Read and follow the safety instructions thatcame with the product.1 Run the appropriate online diagnostics test. See "Using OnlineDiagnostics" on page 147.2 Turn off the system and attached peripherals, and disconnect thesystem from the electrical outlet.3 Open the system. See "Opening the System" on page 66.4 Ensure that each processor and heat sink are properly installed.See "Installing a Processor" on page 111.5 Close the system. See "Closing the System" on page 67.6 Reconnect the system to the electrical outlet, and turn on the system andattached peripherals.7 Run the appropriate online diagnostic test. See "Running the SystemDiagnostics" on page 147.8 Turn off the system and attached peripherals, and disconnect thesystem from the electrical outlet.9 Open the system. See "Opening the System" on page 66.10 Remove processor 2. See "Removing a Processor" on page 107.11 Close the system. See "Closing the System" on page 67.12 Reconnect the system to the electrical outlet, and turn on the systemand attached peripherals.
