Dell Vostro 220 Service Manual - Page 30

Sound and Speaker Problems - sound driver

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Page 30 highlights

Sound and Speaker Problems CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. 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 - 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 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 - See the setup diagram supplied with the speakers. If your speakers have volume controls, adjust the volume, bass, or treble to eliminate distortion. 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 - 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 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 - Sound from the speakers is automatically disabled when headphones are connected to the computer's front-panel headphone connector. TE S T T H E E L E C T 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 P O S S I B L E I N T E R F E R E N C E - Turn off nearby fans, fluorescent lights, or halogen lamps to check for interference. RUN THE SPEAKER DIAGNOSTICS REINSTALL THE SOUND DRIVER R U N T H E H A R D W A R E TR O U B L E S H O O T E R - See "Hardware Troubleshooter" on page 12. 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 - Ensure that the headphone cable is securely inserted into the headphone connector (see "Inside View of Your Computer" on page 37). 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 - Click or double-click the speaker icon in the lower-right corner of your screen. Ensure that the volume is turned up and that 30 Troubleshooting

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30
Troubleshooting
Sound and Speaker Problems
CAUTION:
Before you begin any of the procedures in this section, follow the
safety instructions that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.
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
W
INDOWS
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
R
EINSTALL
THE
SOUND
DRIVER
R
UN
THE
H
ARDWARE
T
ROUBLESHOOTER
—
See "Hardware Troubleshooter" on
page 12.
No sound from headphones
C
HECK
THE
HEADPHONE
CABLE
CONNECTION
—
Ensure that the headphone cable is
securely inserted into the headphone connector (see "Inside View of Your Computer"
on page 37).
A
DJUST
THE
W
INDOWS
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