Dell Inspiron 4150 - Manual (Page 43)

If only part of the display is readable
Sound and Speaker Problems
If you have a problem with integrated speakers
If you have a problem with external speakers
Printer Problems
Eliminate possible interference — Turn off nearby fans, fluorescent lights, halogen lamps, or other appliances.
Rotate the computer to face a different direction — Eliminate sunlight glare, which can cause poor picture quality.
Adjust the Windows display settings —
1. Click the Start button and then click Control Panel.
2. Click Appearance and Themes.
3. Click the area you want to change or click the Display icon.
4. Try different settings for Color quality and Screen resolution.
See "Error Messages" — If an error message appears, see " Error Messages ."
Connect an external monitor —
1. Shut down your computer and connect an external monitor to the computer.
2. Turn on the computer and the monitor and adjust the monitor brightness and contrast controls.
If the external monitor works, the computer display or video controller may be defective. Contact Dell. See your Owner's Manual for contact
information.
Adjust the Windows® volume control — 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.
Adjust the volume using keyboard shortcuts — Press to disable (mute) or reenable the integrated speakers.
Reinstall the sound (audio) driver — See " Reinstalling Drivers and Utilities ."
HINT: The volume control in some MP3 players overrides the Windows volume setting. If you have been listening to MP3 songs, make sure that you did
not turn the player volume down or off.
Check the speaker cable connections — See the setup diagram supplied with the speakers.
Test the electrical outlet — Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
Ensure that the speakers are turned on — See the setup diagram supplied with the speakers.
Adjust the Windows volume control — 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.
Test the speakers — Plug the speaker audio cable into the line-out connector on the computer. Ensure that the headphone volume control is
turned up. Play a music CD.
Run the speaker self-test — Some speaker systems have a self-test button on the subwoofer. See the speaker documentation for self-test
instructions.
Eliminate possible interference — Turn off nearby fans, fluorescent lights, or halogen lamps to check for interference.
Reinstall the sound (audio) driver — See " Reinstalling Drivers and Utilities ."
Check the printer cable connections — Ensure that the printer cable is properly connected to the computer.
Test the electrical outlet — Ensure that the electrical outlet is working by testing it with another device, such as a lamp.