Sound And Speaker Problems; Video And Monitor Problems; No Sound From Speakers; No Sound From Headphones - Dell OptiPlex SX280 User Manual

NOTE: If you are having a problem with a printer, see
Check the option setting — See the device's documentation for the recommended settings. Then
Select option setting. Ensure that the Serial Port setting or the Parallel Port setting matches the recommended settings.
Run the Dell Diagnostics

Sound and Speaker Problems

Fill out the Diagnostics Checklist 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 speakers

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.
Check the speaker cable connections —
speakers.
Ensure that the subwoofer and the speakers are turned on —
volume controls, adjust the volume, bass, or treble to eliminate distortion.
Adjust the Windows volume control —
volume is turned up and that the sound is not muted.
Disconnect headphones from the headphone connector —
connected to the computer's front-panel headphone connector.
Enable digital mode — Your speakers do not work if the CD drive is operating in analog mode.
1. Click the Start button, click Control Panel, and then click Sounds, Speech, and Audio Devices.
2. Click Sounds and Audio Devices.
3. Click the Hardware tab.
4. Double-click the name of your CD drive.
5. Click the Properties tab
6. Check the Enable digital CD audio for this CD-ROM device box.
Eliminate possible interference —
Run the speaker diagnostics
Reinstall the audio driver
Check the device option setting —
restart your computer.
Run the Dell Diagnostics
Check for Software and Hardware Conflicts

No sound from headphones

Check the headphone cable connection —
Plug the headphones into the back audio-out connector
Adjust the Windows volume control —
volume is turned up and that the sound is not muted.

Video and Monitor Problems

Fill out the Diagnostics Checklist 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.

If the screen is blank

"Printer Problems.
Ensure that the speakers are connected as shown on the setup diagram supplied with the
See the setup diagram supplied with the speakers. If your speakers have
Click or double-click the speaker icon in the lower-right corner of your screen. Ensure that the
Sound from the speakers is automatically disabled when headphones are
Turn off nearby fans, fluorescent lights, or halogen lamps to check for interference.
Enter system setup and ensure that the audio controller option is set to On. Exit system setup and
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
enter system setup and go to the Legacy