54
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 178.
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:
.
Summary of Contents for XPS 720
Page 1: ...w w w d e l l c o m s u p p o r t d e l l c o m Dell XPS 720 Owner s Manual Model DCDO ...
Page 48: ...48 Setting Up and Using Your Computer ...
Page 50: ...50 Optimizing for Greater Performance ...
Page 52: ...52 Dell QuickSet ...
Page 84: ...84 Troubleshooting ...
Page 162: ...162 Removing and Installing Parts ...
Page 220: ...20 Index 220 Index ...