114 TroubleshootingEN S U R E T H A T MI C R O S O F T ® WI N D O W S ® RE 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 to check forand remove viruses. Viruses can sometimes prevent Windows from recognizing thedrive.TE S T T H E D R I V E —• Insert another disc to eliminate the possibility that the original drive is defective.• Insert a bootable floppy disk and restart the computer.CL E A N T H E D R I V E O R D I S K — See "Cleaning Your Computer" on page 79.CH E C K T H E C A B L E C O N N E C T I O N SRU N T H E HA R D W A R E TR O U B L E S H O O T E R — See "Hardware Troubleshooter" onpage 107.RU N T H E DE L L DI A G N O S T I C S — See "Dell Diagnostics" on page 107.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.AD J U S T T H E WI N D O W S V O L U M E C O N T R O L —• Click the speaker icon in the lower-right corner of your screen.• Ensure that the volume is turned up by clicking the slidebar and dragging it up.• Ensure that the sound is not muted by clicking any boxes that are checked.CH E C K T H E S P E A K E R S A N D S U B W O O F E R — See "Sound and Speaker Problems" onpage 125.Problems writing to an optical driveCL O S E O T H E R P R O G R A M S — The optical drive must receive a steady stream of dataduring the writing process. If the stream is interrupted, an error occurs. Try closing allprograms before you write to the optical.
