Troubleshooting 73• Check your computing environment.• View the Dell Support Utility settings.• Access the help file for the Dell Support Utility.• View frequently asked questions.• Learn more about the Dell Support Utility.• Turn the Dell Support Utility off.Double-Clicking the Dell Support IconDouble-click the icon to manually check your computing environment, view frequently askedquestions, access the help file for the Dell Support Utility, and view Dell Support settings.For more information about the Dell Support Utility, click the question mark (?) at the top of the Dell™Support screen.Drive ProblemsCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in theProductInformation Guide.Fill out the Diagnostics Checklist (see "Dell Diagnostics" on page 69) as you complete these checks.E N S U R E T H A T M I C R O S O F T ® W I N D O W S ® R E C O G N I Z E S T H E D R I V E —For Windows XP:• Click Start→ My Computer.For Windows Vista:• Click the Windows Vista Start button → Computer.If the floppy, CD, or DVD drive, is not listed, perform a full scan with your antivirus software to check for andremove viruses. Viruses can sometimes prevent Windows from recognizing the drive.T E S T T H E D R I V E —• Insert another floppy disk, CD, or DVD to eliminate the possibility that the original one is defective.• Insert a bootable floppy disk and restart the computer.C L E A N T H E D R I V E O R D I S K — See "Cleaning Your Computer" on page 163.E N S U R E T H A T T H E CD I S S N A P P E D O N T O T H E S P I N D L EC H E C K T H E C A B L E C O N N E C T I O N SC H E C K F O R H A R D W A R E I N C O M P A T I B I L I T I E S — See "Using the Hardware Troubleshooter Tool in MicrosoftWindows XP and Windows Vista Operating Systems" on page 98R U N T H E D E L L D I A G N O S T I C S — See "Dell Diagnostics" on page 69 .