Drive Problems
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product 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 to check for and remove viruses. Viruses can sometimes prevent Windows from recognizing the drive.
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.
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 75.
C H E C K T H E C A B L E C O N N E C T I O N S
R U N T H E H A R D W A R E TR O U B L E S H O O T E R — See "Troubleshooting Software and Hardware Problems in the Microsoft® Windows® XP and Windows Vista® Operating Systems" on page 121.
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 95.
Optical drive problems
NOTE:
NOTE: Because of different regions worldwide and different disc formats, not all DVD titles work in all DVD drives.
A D J U S T T H E W I N D O W S V O L U M E C O N T R O L —
•Click the speaker icon in the
•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.
C H 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" on page 112.
