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.System messagesFor a list of event and error messages generated by the system firmware and agents that monitor systemcomponents, see the Dell Event and Error Messages Reference Guide at dell.com/esmmanuals.Warning messagesA warning message alerts you to a possible problem and prompts you to respond before the systemcontinues a task. For example, before you format a hard drive, a message warns you that you may lose alldata on the hard drive. Warning messages usually interrupt the task and require you to respond by typingy (yes) or n (no).NOTE: Warning messages are generated by either the application or the operating system. For moreinformation, see the documentation that accompanied the operating system or application.Diagnostic messagesThe system diagnostic utilities may issue messages if you run diagnostic tests on your system. See Usingsystem diagnostics. for more information about system diagnostics.Alert messagesThe systems management software generates alert messages for your system. Alert messages includeinformation, status, warning, and failure messages for drive, temperature, fan, and power conditions. Formore information, see the systems management software documentation.165