Troubleshooting 99TroubleshootingDell Technical Update ServiceThe Dell Technical Update service provides proactive e-mail notification ofsoftware and hardware updates for your computer. The service is free and canbe customized for content, format, and how frequently you receivenotifications.To enroll for the Dell Technical Update service, go tosupport.dell.com/technicalupdate.Dell DiagnosticsCAUTION: Before you begin any of the procedures in this section, follow thesafety instructions in the Product Information Guide.When to Use the Dell DiagnosticsIf you experience a problem with your computer, perform the checks in"Lockups and Software Problems" on page 115 and run the Dell Diagnosticsbefore you contact Dell for technical assistance.It is recommended that you print these procedures before you begin.NOTE: The Dell Diagnostics only operate on Dell computers.Enter system setup, review your computer’s configuration information, andensure that the device you want to test displays in system setup and is active(see "Using the System Setup Program" on page 185).Start the Dell Diagnostics from your hard drive or from your Drivers andUtilities media (see "Drivers and Utilities Media" on page 13).Starting the Dell Diagnostics From Your Hard DriveThe Dell Diagnostics is located on a hidden diagnostic utility partition onyour hard drive.NOTE: If your computer cannot display a screen image, contact Dell (see"Contacting Dell" on page 175).
