160 Troubleshooting Your Systemb Open the system. See "Opening and Closing the System" on page 70.c Reinstall one of the expansion cards.d Close the system. See "Opening and Closing the System" on page 70.e Run the appropriate diagnostic test.If the tests fail, see "Getting Help" on page 175.Troubleshooting the MicroprocessorsProblem• Error message indicates a processor problem.• Front-panel status LCD indicates a problem with the processors or systemboard.• A heat sink is not installed for each processor.ActionCAUTION: Only trained service technicians are authorized to remove the systemcover and access any of the components inside the system. Before performing anyprocedure, see your Product Information Guide for complete information aboutsafety precautions, working inside the computer and protecting againstelectrostatic discharge.1 Run the appropriate online diagnostics test. See "Using ServerAdministrator Diagnostics" on page 161.2 Turn off the system and attached peripherals, and disconnect the systemfrom the electrical outlet.3 Open the system. See "Opening and Closing the System" on page 70.4 Inspect each processor and heat sink and ensure that they are properlyinstalled.If you need to make adjustments, see "Installing a Processor" on page 123.5 Close the system. See "Opening and Closing the System" on page 70.6 Reconnect the system to the electrical outlet, and turn on the system andattached peripherals.7 Run the appropriate online diagnostic test.If the tests fail or the problem persists, see "Getting Help" on page 175.
