DvD Player not working with Apple TV
We are using an external DvD Player to play videos on our MacBook Pros. I'm on MacOS Monterey 12.3. My wife on 12.1. DvD Player works just fine until we attach a 2nd display (Apple TV). We can hear the sound coming faintly from the TV but there is no video. In addition the desktop screen of DvD Player (either windowed or full screen) is grey. You can see the menu bar but no video.
Is there any way to use an Apple TV as a secondary display with DvD Player
MacBook Pro 16″, macOS 12.3