Troubleshooting 81TroubleshootingDell Technical Update ServiceThe Dell Technical Update service provides proactive e-mail notification of software and hardwareupdates for your computer. The service is free and can be customized for content, format, and howfrequently you receive notifications.To enroll for the Dell Technical Update service, go to support.dell.com/technicalupdate.Dell DiagnosticsCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in theProduct Information Guide.When to Use the Dell DiagnosticsIf you experience a problem with your computer, perform the checks in "Lockups and SoftwareProblems" on page 93 and run the Dell Diagnostics before you contact Dell for technical assistance.NOTICE: The Dell Diagnostics works only on Dell computers.NOTE: The Drivers and Utilities CD is optional and may not ship with your computer.Start the Dell Diagnostics from either your hard drive or from the Drivers and Utilities CD (alsoknown as the ResourceCD).Starting the Dell Diagnostics From Your Hard DriveThe Dell Diagnostics is located on a hidden diagnostic utility partition on your hard drive.NOTE: If your computer cannot display a screen image, contact Dell. See "Contacting Dell" on page 135.1 Shut down the computer.2 Connect the computer to an electrical outlet.3 Diagnostics can be invoked one of two ways:a Turn on the computer. When the DELL™ logo appears, press immediately. SelectDiagnostics from the boot menu and press .NOTE: If you wait too long and the operating system logo appears, continue to wait until you see theMicrosoft® Windows® desktop. Then shut down your computer and try again.
