Thanks for sending the diagnostic logs.
We are currently analyzing it.
While display the „display off“, can you please check if there’s a detached display in your primary machine’s display settings.
By the way, what is the operating system of your secondary machine? Android/iOS/Windows?
If it’s Windows, could you please send us the dxdiag info of this machine?
Just run dxdiag.exe the click „Save All Information“ button, then send us the dxdiag.txt file in your next reply.