Okay START MENU > RUN >
devmgmt.msc
again please.
1. Double-click Sound, video, and game controllers.
2. Double-click your sound device.
3. Click the Properties tab, and then double-click Audio Devices.
4. Click your sound device, and then click Properties.
5. Click Use audio features on this device.
6. Click OK until you return to Device Manager.
7. Restart your computer.
See if that clears it up...