the solution from
wont work for me.
have the same problem, but setting default playback device didnt change anything.
I use 3 Screens with AMD.
DP2HDMI for connect Onkyo AVR and TV.
Windows detects playback device, but onkyo wont play sound.
if i use normaly hdmi output on graphic card, so onkyo plays sounds.
Thanks for posting! I can see you have also reached out to us directly via firstname.lastname@example.org. I just sent a response to your direct email with a request for some log files. If you can just send the PlugDebug log to us directly when you have time we’ll continue to work with you directly.