Touch Pad Or Mouse Problems; No Sound From External Speakers; No Sound From Headphones - Dell Latitude D620 ATG User Manual

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Adjust the volume using keyboard shortcuts —
 
Reinstall the sound (audio) driver —
 

No sound from external speakers

 
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.
 
Test the electrical outlet —
Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
 
Eliminate possible interference —
 
Reinstall the audio driver —
See
 
Run the Dell Diagnostics —
See
Dell
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

 
Check the headphone cable connection —
 
Adjust the Windows volume control —
that the sound is not muted.
 Touch Pad or Mouse Problems
 
Check the touch pad settings —
 
1. Click the Start button, and click Settings® Control Panel® Printers and Other Hardware.
 
2. Click Mouse.
 
3. Try adjusting the settings.
 
Check the mouse cable —
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 verify that the problem is with the mouse, check the touch pad —
Press <Fn><End> to disable (mute) or reenable the integrated speakers.
See
Reinstalling Drivers and
Utilities.
See the setup diagram supplied with the speakers. If your speakers have volume controls,
Click or double-click the speaker icon in the lower-right corner of your screen. Ensure that the volume is turned up and
Sound from the speakers is automatically disabled when headphones are connected to the
Turn off nearby fans, fluorescent lights, or halogen lamps to check for interference.
Reinstalling Drivers and
Utilities.
Diagnostics.
Ensure that the headphone cable is securely inserted into the headphone connector.
Click or double-click the speaker icon in the lower-right corner of your screen. Ensure that the volume is turned up and

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