Video And Monitor Problems; Sound And Speaker Problems; No Sound From Speakers; No Sound From Headphones - Dell Vostro 220s Service Manual

1. Click Start ® Control Panel® Hardware and Sound® Scanners and Cameras.
2. If the scanner is listed, Windows recognizes the scanner.
Reinstall the scanner driver —

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.
Check the speaker cable connections —
with the speakers. If you purchased a sound card, ensure that the speakers are connected to the card.
Ensure that the subwoofer and the speakers are turned on —
your speakers have volume controls, adjust the volume, bass, or treble to eliminate distortion.
Adjust the Windows volume control —
Ensure that the volume is turned up and that the sound is not muted.
Disconnect headphones from the headphone connector —
headphones are connected to the computer's front-panel headphone connector.
Test the electrical outlet —
Eliminate possible interference —
Run the speaker diagnostics
Reinstall the sound driver
Run the Hardware Troubleshooter —

No sound from headphones

Check the headphone cable connection —
connector (see Inside View of Your
Adjust the Windows volume control —
Ensure that the volume is turned up and that the sound is not muted.

Video and Monitor 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.
See the scanner documentation for instructions.
Ensure that the speakers are connected as shown on the setup diagram supplied
Click or double-click the speaker icon in the lower-right corner of your screen.
Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
Turn off nearby fans, fluorescent lights, or halogen lamps to check for interference.
See Hardware
Ensure that the headphone cable is securely inserted into the headphone
Computer).
Click or double-click the speaker icon in the lower-right corner of your screen.
See the setup diagram supplied with the speakers. If
Sound from the speakers is automatically disabled when
Troubleshooter.