No Sound From Headphones - Dell Dimension U7021 Owner's Manual

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
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
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
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 U N T H E H A R D W A R E T

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
into the headphone connector (see page 70).
A D J U S T T H E W I N D O W S V O L U M E C O N T R O L
corner of your screen. Ensure that the volume is turned up and that the sound is not muted.
— Ensure that the electrical outlet is working by testing it with another
— Turn off nearby fans, fluorescent lights, or halogen lamps to
— See page 59.
— See page 64.
R O U B L E S H O O T E R
— Ensure that the headphone cable is securely inserted
— Click or double-click the speaker icon in the lower-right
— Sound from the speakers is
Solving Problems
49