Dell Dimension C521, Owner'S Manual, Page: 43 / 140

Solving Problems
43
Sound and Speaker Problems
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions located in the
Product Information Guide .
No sound from speakers
NOTE:
The volume control in some MP3 players overrides the Windows volume setting. If you have been listening
to MP3 songs, ensure that you did not turn the player volume down or off.
V ERIFY THAT THE SCANNER IS RECOGNIZED BY M ICROSOFT W INDOWS —
1
Click the Start button, click Control Panel , and then click Printers and Other Hardware .
2
Click Scanners and Cameras .
If your scanner is listed, Windows recognizes the scanner.
R EINSTALL THE SCANNER DRIVER — See the scanner documentation for instructions.
C HECK THE SPEAKER CABLE CONNECTIONS — Ensure that the speakers are connected as shown on
the setup diagram supplied with the speakers. If you purchased a sound card, ensure that the speakers
are connected to the card.
E NSURE THAT THE CORRECT AUDIO SOLUTION IS ENABLED IN THE B I O S SETUP PROGRAM — See
"System Setup" on page 97.
E NSURE THAT THE SUBWOOFER AND THE SPEAKERS ARE TURNED ON — See the setup diagram
supplied with the speakers. If your speakers have volume controls, adjust the volume, bass, or treble to
eliminate distortion.
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.
D ISCONNECT HEADPHONES FROM THE HEADPHONE CONNECTOR — Sound from the speakers is
automatically disabled when headphones are connected to the computer’s front-panel headphone
connector.
T EST THE ELECTRICAL OUTLET — Ensure that the electrical outlet is working by testing it with another
device, such as a lamp.