After reboot, problem returned. But repeating the above procedure, and selecting the top of the choices, it was corrected.

Solved! See below article. It was the third driver (at the top of list) that worked for me.
You can try this. Open Device Manager and expand Sound, video and game controllers. Right click your audio...

In Sound/Playback devices, it shows Speakers/Headphones, IDT Hi-Def audio codec, Default device. Also Communication Headphones, IDT Hi-Def audio codec, Default Communication device.
However, when I...

Thanks Dude, but I've already tried every conceivable combination of settings in Recording and Playback devices. Headset doesn't show on Recording, but in Playback, Communications headphone is...

Since upgrading to Windows 10, 64-bit, I have no audio on the headset. Also, speakers are not muted when headset is plugged in.
Headset checks out O.K. on sound test.
HP Pavillion 500-249 Desktop.