Sound problems – Dell Precision T7400 (Late 2007) User Manual
Page 103

Troubleshooting
103
Sound Problems
CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions in the
Product Information Guide.
A
D J U ST
T H E
W
INDO WS
V O L U M E
C O N T R O L
— 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.
T
ES T
T H E
EL E CT R I C A L
O U T L E T
— Ensure that the electrical outlet is working by
testing it with another device, such as a lamp.
E
L I M I N A T E
PO S S I B L E
I N T E RF E R E N CE
— Turn off nearby fans, fluorescent lights, or
halogen lamps to check for interference.
R
E I N S T A L L
T H E
S O U N D
D RI VE R
R
U N
T H E
H
A R D W A R E
T
R O U B L E S H O O T E R
— See "Troubleshooting Software and
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