How to Fix a No

Check the Speaker Connections and Volume Control Settings
1. Verify that the lack of sound is not due to faulty speaker connections. Substitute the speaker connection with headphones and see if you get any sound.
2. Open the volume control window by clicking the speaker icon in your System Tray. Verify that the speakers are not muted. If you see a red circle with a slash through it, click the speaker icon to un-mute the speakers.
3. Click and drag the volume level up to see if you can hear sound.
Perform a System Restore
4. Click the ' Start' button and then 'All Programs.'
5. Click 'Accessories,' 'System Tools' and then 'System Restore.'
6. Follow the onscreen prompts in the System Restore Wizard to see if that fixes the problem.
Update the Sound Drivers
7. Click the 'Start' button. Click 'Control Panel' and then 'System and Security.'
8. Click 'System' and then 'Device Manager.'
9. Double-click the sound device for which you want to update the driver.
10. Click the 'Driver' tab and then 'Update Driver.' Click 'OK' Do this for each sound device.