Scanner Problems; Sound And Speaker Problems; No Sound From Speakers - Dell Vostro 420 Service Manual
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Also See for Vostro 420:
- Setup and quick reference manual (242 pages) ,
- Service manual (138 pages) ,
- User manual (137 pages)
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4. Adjust the settings, as needed.
Reinstall the printer driver —
Scanner Problems
CAUTION:
safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
NOTE:
If you need technical assistance for your scanner, contact the scanner's manufacturer.
Check the scanner documentation —
Unlock the scanner —
Restart the computer and try the scanner again
Check the cable connections —
See the scanner documentation for information on cable connections.
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Ensure that the scanner cables are securely connected to the scanner and the computer.
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Verify that the scanner is recognized by Microsoft Windows —
Windows XP:
1. Click Start® Control Panel® Printers and Other Hardware® Scanners and Cameras.
2. If your scanner is listed, Windows recognizes the scanner.
Windows Vista:
1. Click Start
2. If the scanner is listed, Windows recognizes the scanner.
Reinstall the scanner driver —
Sound and Speaker Problems
CAUTION:
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 —
purchased a sound card, ensure that the speakers are connected to the card.
Ensure that the subwoofer and the speakers are turned on —
adjust the volume, bass, or treble to eliminate distortion.
Adjust the Windows volume control —
that the sound is not muted.
Disconnect headphones from the headphone connector —
computer's front-panel headphone connector.
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See the printer documentation for information on reinstalling the printer driver.
Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. For additional
See the scanner documentation for setup and troubleshooting information.
Ensure that your scanner is unlocked (if the scanner has a locking tab or button).
® Control Panel® Hardware and Sound® Scanners and Cameras.
See the scanner documentation for instructions.
Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer. For additional
Ensure that the speakers are connected as shown on the setup diagram supplied with the speakers. If you
Click or double-click the speaker icon in the lower-right corner of your screen. Ensure that the volume is turned up and
UserManuals.info
See the setup diagram supplied with the speakers. If your speakers have volume controls,
Sound from the speakers is automatically disabled when headphones are connected to the
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