b Remove the system cover.c Reinstall one of the expansion cards.d Install the system cover.e Run the appropriate diagnostic test. See the Using system diagnostics section.Next stepIf the problem persists, see the Getting help section.Related linkGetting helpUsing system diagnosticsTroubleshooting processorsPrerequisiteCAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simplerepairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damagedue to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that areshipped with your product.Steps1 Run the appropriate diagnostics test. See the Using system diagnostics section.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. See the Using system diagnostics section.7 If the problem persists, see the Getting help section.Related linkGetting helpUsing system diagnosticsSystem messagesFor a list of event and error messages generated by the system firmware and agents that monitor system components, see the Dell Eventand Error Messages Reference Guide at Dell.com/openmanagemanuals > OpenManage software.Warning messagesA warning message alerts you to a possible problem and prompts you to respond before the system continues a task. For example, beforeyou format a hard drive, a message warns you that you may lose all data on the hard drive. Warning messages usually interrupt the task andneed you to respond by typing y (yes) or n (no).NOTE: Warning messages are generated by either the application or the operating system. For more information, see thedocumentation that shipped with the operating system or application.Diagnostic messagesThe system diagnostic utility will generate messages if there are errors detected when you run diagnostic tests on your system. For moreinformation about system diagnostics, see the Using system diagnostics section.Troubleshooting your system 173
