Dell Latitude 110L - Manual (Page 72)

Fill out the Diagnostics Checklist as you complete these checks.
No sound from integrated speakers
No sound from external speakers
No sound from headphones
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
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 <Fn><End> to disable (mute) or re-enable the integrated speakers.
Reinstall the sound (audio) driver — See " Reinstalling Drivers and Utilities ."
For Windows 2000 only, ensure that digital audio for the CD drive is enabled —
1. Click the Start button, point to Settings, and then click Control Panel.
2. Double-click the System icon.
3. Click the Hardware tab.
4. Click Device Manager.
5. Double-click DVD/CD-ROM drives.
6. Double-click the name of the drive.
7. On the drive Properties screen, click the Properties tab.
8. Click the box near the bottom of the screen to enable digital audio for your CD or DVD drive.
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.
Ensure that the external subwoofer and speakers are turned on — See the setup diagram supplied with the speakers. If your speakers
have volume controls, adjust the volume, bass, or treble to eliminate distortion.
Adjust the Windows volume control — 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.
Disconnect headphones from the headphone connector — Sound from the speakers is automatically disabled when headphones are
connected to the 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 — Turn off nearby fans, fluorescent lights, or halogen lamps to check for interference.
Reinstall the audio driver
Run the Dell Diagnostics
Check the headphone cable connection — Ensure that the headphone cable is securely inserted into the headphone connector.
Adjust the Windows volume control — 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.