Dell XPS 720 (Mid 2007) - Manual (Page 54)

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Troubleshooting
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.
T EST THE DRIVE —
• Insert another disc to eliminate the possibility that the original drive is defective.
• Insert a bootable floppy disk and restart the computer.
C LEAN THE DRIVE OR DISK — See "Cleaning Your Computer" on page 176.
C HECK THE CABLE CONNECTIONS
R UN THE H ARDWARE T ROUBLESHOOTER — See "Troubleshooting Software and Hardware Problems" on page 83.
R UN THE D ELL D IAGNOSTICS — See "Dell Diagnostics" on page 72.
Optical drive problems
NOTE:
High-speed optical drive vibration is normal and may cause noise, which does not indicate a defect in the
drive or the media.
NOTE:
Because of different regions worldwide and different disc formats, not all DVD titles work in all DVD drives.
A DJUST THE W INDOWS VOLUME CONTROL —
• 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.
C HECK THE SPEAKERS AND SUBWOOFER — See "Sound and Speaker Problems" on page 63.
Problems writing to an optical drive
C LOSE OTHER PROGRAMS — The optical drive must receive a steady stream of data during the writing process.
If the stream is interrupted, an error occurs. Try closing all programs before you write to the optical.
T URN OFF STANDBY MODE IN W INDOWS BEFORE WRITING TO A DISC — See "Configuring Power Management
Settings" on page 47 or search for the keyword standby in Windows Help and Support for information on power
management modes.
Hard drive problems
R UN C HECK D ISK —
Windows XP:
1 Click Start and click My Computer.
2 Right-click Local Disk C:.
3 Click Properties → Tools→ Check Now.
4 Click Scan for and attempt recovery of bad sectors and click Start.
Windows Vista:
1 Click Start and click Computer.
2 Right-click Local Disk C:.