Dell Precision T7400 Schnellreferenzhandbuch Seite 49

Sound and Speaker Problems
CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions in the
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
H E C K T H E S P E A K E R C A B L E C O N N E C T I O N S
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
N S U R E T H A T T H E S U B W O O F E R A N D T H E S P E A K E R S A R E T U R N E D O N
setup diagram supplied with the speakers. If your speakers have volume controls, adjust
the volume, bass, or treble to eliminate distortion.
A W
D J U S T T H E I N D O W S V O L U M E C O N T R O L
in the lower-right corner of your screen. Ensure that the volume is turned up and that
the sound is not muted.
D
I S C O N N E C T H E A D P H O N E S F R O M T H E H E A D P H O N E C O N N E C T O R
speakers is automatically disabled when headphones are connected to the computer's
front-panel headphone connector.
T
E S T T H E E L E C T R I C A L O U T L E T
it with another device, such as a lamp.
E
L I M I N A T E P O S S I B L E I N T E R F E R E N C E
halogen lamps to check for interference.
R
U N T H E S P E A K E R D I A G N O S T I C S
R
E I N S T A L L T H E S O U N D D R I V E R
R H
U N T H E A R D W A R E
in your User's Guide.
No sound from headphones
C
H E C K T H E H E A D P H O N E C A B L E C O N N E C T I O N
securely inserted into the headphone connector (see "About Your Computer" in your
User's Guide).
A W
D J U S T T H E I N D O W S V O L U M E C O N T R O L
in the lower-right corner of your screen. Ensure that the volume is turned up and that
the sound is not muted.
Product Information Guide
— Ensure that the electrical outlet is working by testing
— Turn off nearby fans, fluorescent lights, or
— See "Drivers" in your User's Guide.
T
R O U B L E S H O O T E R
.
— Ensure that the speakers are connected
— Click or double-click the speaker icon
— See "Restoring Your Operating System"
— Ensure that the headphone cable is
— Click or double-click the speaker icon
Quick Reference Guide
— See the
— Sound from the
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