Troubleshooting 119To begin a live session with a Dell associate:1 Click the Dell Support Center icon on your computer’s desktop.2 Click Assistance From Dell→ Technical Support→ DellConnect→Phone and follow the instructions.Drive ProblemsCAUTION: Before you begin any of the procedures in this section, follow thesafety instructions in theProduct Information Guide.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 —Windows XP:• Click Start and click My Computer.Windows Vista®:• Click the Windows Vista Start button and click Computer.If the drive is not listed, perform a full scan with your antivirus software tocheck for and remove viruses. Viruses can sometimes prevent Windows fromrecognizing 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 thatthe original media 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 179.E N S U R E T H A T T H E CD O R DVD M E D I A 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 "Troubleshooting Softwareand Hardware Problems" on page 147.R 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 111.Optical drive problemsNOTE: High-speed optical drive vibration is normal and may cause noise, whichdoes not indicate a defect in the drive or the media.NOTE: Because of different regions worldwide and different disc formats, not allDVD titles work in all DVD drives.