Dell Precision T3400 (Late 2007): Sound and Speaker Problems

Sound and Speaker Problems: Dell Precision T3400 (Late 2007)

Table of contents

Sound and Speaker Problems

CAUTION: Before you begin any of the procedures in this section, follow the

safety instructions in the

Product Information Guide

.

No sound from speakers

NOTE: The volume control in MP3 and other media players may override the

Windows volume setting. Always check to ensure that the volume on the media

player(s) has not been turned down or off.

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 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 WINDOWS 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

UN THE SPEAKER DIAGNOSTICS

REINSTALL THE SOUND DRIVER See "Drivers" in your User’s Guide.

R

UN THE HARDWARE TROUBLESHOOTER See "Hardware Troubleshooter" on

page 41.

No sound from headphones

CHECK THE HEADPHONE CABLE CONNECTION Ensure that the headphone cable is

securely inserted into the headphone connector (see "About Your Computer" on

page 11).

A

DJUST THE WINDOWS 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.

58 Quick Reference Guide