Dell PP29L owner manual Sound and Speaker Problems, No sound from integrated speakers

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 —

1Click Start→Control Panel→Printers and Other Hardware→Scanners and Cameras.

2If 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 131 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 100.

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 — 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 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.

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Troubleshooting