Dell Latitude ND492 Quick Reference Manual

Also see for D820 - Latitude Laptop Notebook: Quick reference guide Quick reference guide Quick reference guide Service manual Specifications

Contents

16 Quick Reference GuideDell DiagnosticsCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the ProductInformation Guide.When to Use the Dell DiagnosticsIf you experience a problem with your computer, perform the checks in "Lockups and SoftwareProblems" on page 18 and run the Dell Diagnostics before you contact Dell for technical assistance.It is recommended that you print these procedures before you begin.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 (also knownas the ResourceCD).Starting the Dell Diagnostics From Your Hard DriveThe Dell Diagnostics is located on a hidden diagnostic utility partition on your hard drive.1 Shut down the computer.2 If the computer is connected to a docking device (docked), undock it. See the documentation thatcame with your docking device for instructions.3 Connect the computer to an electrical outlet.4 The Dell Diagnostics can be invoked in one of two ways:• 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.• Press and hold the key while powering the computer on.NOTE: If you see a message stating that no diagnostics utility partition has been found, run the DellDiagnostics from the optional Drivers and Utilities CD.The computer runs the Pre-boot System Assessment, a series of initial tests of your system board,keyboard, hard drive, and display.• During the assessment, answer any questions that appear.• If a failure is detected, the computer stops and beeps. To stop the assessment and restart thecomputer, press ; to continue to the next test, press ; to retest the component thatfailed, press .• If the Pre-boot System Assessment completes successfully, you receive the message BootingDell Diagnostic Utility Partition. Press any key to continue.5 Press any key to start the Dell Diagnostics from the diagnostics utility partition on your hard drive.