Dell PP22L, RT722 Scanner Problems, Sound and Speaker Problems, No sound from integrated speakers

Scanner Problems

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

NOTE: If you need technical assistance for your scanner, contact the scanner’s manufacturer.

C H E C K T H E S C A N N E R D O C U M E N T A T I O N — See the scanner documentation for setup and troubleshooting information.

U N L O C K T H E S C A N N E R — Ensure that your scanner is unlocked.

R E S T A R T T H E C O M P U T E R A N D T R Y T H E S C A N N E R A G A I N

C H E C K T H E C A B L E C O N N E C T I O N S —

•See the scanner documentation for cable connection information.

•Ensure that the scanner cables are securely connected to the scanner and the computer.

VE R I F Y T H A T T H E S C A N N E R I S R E C O G N I Z E D B Y M I C R O S O F T W I N D O W S —

Click Start → Control Panel→ Hardware and Sound→ Scanners and Cameras. If your scanner is listed, Windows recognizes the scanner.

R E I N S T A L L T H E S C A N N E R D R I V E R — See the scanner documentation for instructions.

Sound and Speaker Problems

Fill out the "Diagnostics Checklist" on page 178 as you complete these checks.

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

No sound from integrated speakers

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 — 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. Adjust the volume, bass, or treble controls to eliminate distortion.

A D J U S T T H E V O L U M E U S I N G K E Y B O A R D S H O R T C U T S — Press <Fn><End> to

disable (mute) or re-enable the integrated speakers.

R E I N S T A L L T H E S O U N D ( A U D I O ) D R I V E R — See "Reinstalling Drivers and

Utilities" on page 132.

Troubleshooting

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