Installed updates now I have no sound

Aug 28, 2018
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Hello I'm running a desktop PC with a HDMI out to my AV receiver which then goes to my TV.

All was running fine until I installed some updates yesterday and now I only have the picture but no audio.

In 'playback devices' I only have 'realtek digital output'.

It doesn't show the output to my AVR even though it is obviously working as I'm looking at the screen now.

I've right clicked the blank part of the audio devices screen and it's showing disconnected and disabled devices but there's nothing there.