Troubleshooting: Dell Latitude ATG D620 User's Guidewith the speakers. If your speakers have volume controls, adjust the volume, bass, or treble toeliminate distortion.Adjust the Windows volume control — Click or double-click the speaker icon in the lower-rightcorner of your screen. Ensure that the volume is turned up and that the sound is not muted.Disconnect headphones from the headphone connector — Sound from the speakers isautomatically disabled when headphones are connected to the computer's front-panel headphoneconnector.Test the electrical outlet — Ensure that the electrical outlet is working by testing it with anotherdevice, such as a lamp.Eliminate possible interference — Turn off nearby fans, fluorescent lights, or halogen lamps tocheck for interference.Reinstall the audio driver — See Reinstalling Drivers and Utilities.Run the Dell Diagnostics — See Dell Diagnostics.NOTE: The volume control in some MP3 players overrides the Windows volume setting. If youhave been listening to MP3 songs, ensure that you did not turn the player volume down or off.No sound from headphonesCheck the headphone cable connection — Ensure that the headphone cable is securely insertedinto the headphone connector.Adjust the Windows volume control — Click or double-click the speaker icon in the lower-rightcorner of your screen. Ensure that the volume is turned up and that the sound is not muted.Touch Pad or Mouse ProblemsCheck 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 fordamage, and firmly reconnect the cable.file:///H|/My%20Documents/Cellular/User%20Guides/Notebooks/D620%20ATG/trouble.htm (24 of 27)4/13/2007 4:36:42 PM