Dell NY105 Touch Pad or Mouse Problems, No sound from external speakers, No sound from headphones

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 102.

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 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.

R E I N S T A L L T H E A U D I O D R I V E R — See "Reinstalling Drivers and Utilities" on page 102. R U N T H E D E L L D I A G N O S T I C S — See "Dell Diagnostics" on page 75.

NOTE: The volume control in some MP3 players overrides the Windows volume setting. If you have been listening to MP3 songs, ensure that you did not turn the player volume down or off.

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.

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.

Touch Pad or Mouse Problems

C H E C K T H E T O U C H P A D S E T T I N G S —

1Click the Start button, click Control Panel, and then click Printers and Other Hardware.

2Click Mouse.

3Try adjusting the settings.

C H E C K T H E M O U S E C A B L E — Shut down the computer. Disconnect the mouse cable, check it for damage, and firmly reconnect the cable.

If you are using a mouse extension cable, disconnect it and connect the mouse directly to the computer.

TO V E R I F Y T H A T T H E P R O B L E M I S W I T H T H E M O U S E , C H E C K T H E T O U C H P A D —

1Shut down the computer.

2Disconnect the mouse.

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Troubleshooting