1. Behringer Xenyx 802 Manual
2. Xenyx 802 Drivers Download

Hi George,

BEHRINGER XENYX mixers stand alone at the top of their class. Armed with premium microphone preamps and robust feature sets typically reserved for more expensive consoles, next-generation XENYX Q Series USB mixers can handle your live gigs and provide the state-of-the-art tools to make stunning, professional-quality recordings.

Thank you for posting your query in Microsoft Community.

I understand your concern and will assist you to resolve this issue.

From what you have mentioned, I would suggest you to try these steps to see if it resolves the issue.

Behringer Xenyx 802 Manual

Method 1: Hardware Troubleshoot

Windows 10 has a built-in troubleshooter to check and fix issues with Sound. I would suggest you to run this troubleshooter to check if the issue is with your Audio.

Xenyx 802 Drivers Download

Refer these steps:

1. Press Windows key +X, select Control panel.
2. Change the view by option on the top right to Large icons.
3. Click on troubleshooting and click on the view all option on the left panel.
4. Run the Recording Audio troubleshooter.

Method 2.
Try updating the Audio drivers from the manufacturer's website and check if the issue persists.
Follow the steps to update the audio drivers:
a. Press Windows key + X key and click Device Manager.
b. Expand the Sound, Video and game controllers.
c. Right-click on the Sound card and click on Update driver software.
d. Restart the computer and check.

No sound in Windows.

Refer the link below.
http://windows.microsoft.com/en-US/windows/no-sound-help#no-sound=windows-8&v1h=win8tab4&v2h=win7tab1&v3h=winvistatab1&v4h=winxptab1

Hope this helps. If the issue remains unresolved, please get back to us and we would be happy to help.