Dell XPS 630, Owner'S Manual, Page: 113 / 168

Troubleshooting
113
R EINSTALL THE SOUND DRIVER — See "Drivers" on page 117.
R UN THE H ARDWARE T ROUBLESHOOTER — See "Troubleshooting Software and
Hardware Problems in the Microsoft
®
Windows
®
XP and Windows Vista
®
Operating
Systems" on page 121.
No sound from headphones
C HECK THE HEADPHONE CABLE CONNECTION — Ensure that the headphone cable is
securely inserted into the headphone connector (see "Front View of the Computer" on
page 17 and "Back View of the Computer" on page 19).
A DJUST THE W INDOWS VOLUME CONTROL — Click or double-click the speaker icon
in the lower-right corner of your screen. Ensure that the volume is turned up and that
the sound is not muted.
Video and Monitor Problems
CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions in the Product Information Guide .
NOTICE:
If your computer came with a PCI graphics card installed, removal of the
card is not necessary when installing additional graphics cards; however, the card
is required for troubleshooting purposes. If you remove the card, store it in a safe
and secure location. For information about your graphics card, go to
support.dell.com.
The screen is blank
NOTE:
For troubleshooting procedures, see the monitor’s documentation.
The screen is difficult to read
C HECK THE MONITOR CABLE CONNECTION —
• Ensure that the monitor cable is connected to the correct graphics card (for dual
graphics card configurations).
• If you are using the optional
DVI-to-VGA
adapter, ensure that the adapter is
correctly attached to the graphics card and monitor.
• Ensure that the monitor cable is connected as shown on the setup diagram for your
computer.
• Remove any video extension cables and connect the monitor directly to the computer.
book.book Page 113 Friday, April 25, 2008 3:58 PM