Does the issue happen with local library music, streaming service music, or both?
· *Both streaming and local* *library* music are affected.
Do you encounter any playback errors with the "System Output" Zone?
· The System Output has the same problem as my other Zone.
Do you have a complex network setup?
· Both the device and RoonServer are connecting to a *single router*
Please try rebooting your router.
· No, I'm still having trouble
Do you have an approximate timestamp of when the issue last occurred?
· 11/20/25, 20:25
What are the make and model of the affected audio device(s) and the connection type?
· PC W11 (latest) running Roon and feeding a Theta Casablanca V HT processor.
Describe the issue
Roon gives the "Nothing playing" error, and nothing I can do seems to fix that. I have rebooted the PC and network switch (though using HDMI input to a processor), reset exclusive for my zone, started and stopped Roon Server, etc. JRiver plays the same files just fine, as does the Qobuz app. Advice?
Describe your network setup
Cable modem, 8 port switch, with the PC on the switch. Wired.
Thanks for reaching out. It sounds like System Output (your PC’s internal speakers) also has the same issue as the Theta zone? Or were you trying to play to System Output and routing the system output still to the Theta zone? Some zones require multichannel output, I wonder if you zone is like that. You can go try to right click the zone name in the bottom right of Roon → Device Setup → Advanced → Send stereo content as multichannel to see if this helps. Let us know!
Afraid I don’t understand. My PC has no internal speakers. However, there is a system output device in Roon. It is separate from Theta. I thought that meant Roon should select whichever output is active on the PC? I was not routing system output to anything, at least not knowingly.
I tried all permutations of the device setup for the Theta zone without any luck.
Strange thing is Roon was working. It stopped yesterday for no reason I can determine. Now, nothing seems to make it work, Why would JRiver and Qobuz work?
Still having this issue. Roon started to play again on System Output. Then I tried HQPlayer once more. Silly me. Back to nothing playing on Roon and absolutely nothing fixes it. Roon works fine with my network DAC, and every other program on the PC plays fine through the Theta. Something is messed up between Roon and the Theta HT processor default device (NVidia High Definition Audio) on the PC. This status seems to be triggered by HQPlayer, and is not reset when HQPlayer is removed.
Still no reply from support. Found a fix, though no idea if it will last
Go into system output properties. Recycling exclusive and trying formats is ineffective. However, the reset defaults button did cause Roon to play again.
