Dell Dimension E520, Руководство пользователя

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44
Solving Problems
No sound from headphones
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.
E LIMINATE POSSIBLE INTERFERENCE — Turn off nearby fans, fluorescent lights, or halogen lamps to
check for interference.
R EINSTALL THE SOUND DRIVER — See "Manually Reinstalling Drivers" on page 53.
R UN THE H ARDWARE T ROUBLESHOOTER — See "Resolving Software and Hardware Incompatibilities"
on page 53.
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 61).
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.