Sound And Speaker Problems; No Sound From Integrated Speakers; No Sound From External Speakers; No Sound From Headphones - Dell Precision M4300 User Manual

Sound and Speaker Problems

Fill out the Diagnostics Checklist (see "Diagnostics Checklist" on page 139) as you complete these
checks.
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the
Information Guide

No sound from integrated speakers

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
screen. Ensure that the volume is turned up and that the sound is not muted. Adjust the volume, bass, or treble
controls to eliminate distortion.
R
E I N S T A L L T H E S O U N D

No sound from external speakers

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
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
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
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
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
interference.
R
E I N S T A L L T H E A U D I O D R I V E R
R D D
U N T H E E L L I A G N O S T I C S
NOTE:
The volume control in some MP3 players overrides the Windows volume setting. If you have been listening
to MP3 songs, ensure that you did not turn the player volume down or off.

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
headphone connector.
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
your screen. Ensure that the volume is turned up and that the sound is not muted.

Touch Pad or Mouse Problems

C
H E C K T H E T O U C H P A D S E T T I N G S
1 Click Start→ Control Panel→ Printers and Other Hardware→ Mouse.
2 Try adjusting the settings.
86
Troubleshooting
.
— Double-click the speaker icon in the lower-right corner of your
( ) — See "Reinstalling Drivers and Utilities" on page 96.
A U D I O D R I V E R
— Click or double-click the speaker icon in the lower-right corner of
— Ensure that the electrical outlet is working by testing it with another device, such
— Turn off nearby fans, fluorescent lights, or halogen lamps to check for
See "Reinstalling Drivers and Utilities" on page 96
—
— See "Dell Diagnostics" on page 69.
— Ensure that the headphone cable is securely inserted into the
— Click or double-click the speaker icon in the lower-right corner of
—
— See the setup diagram supplied with the
— Sound from the speakers is automatically
Product
.