My X1 DVR (XG1-P) has been set to 1080p/60 since I got it 4 years ago. My TV is the same 1080p capable TV as then. My receiver is the same one. My setup has not changed one iota.
Beginning a few days ago (as best I can tell), the actual output resolution (as reported by the monitor) keeps switching to 720p, even while the video setting on the DVR remains at 1080p.
I can toggle the resolution in the X1 settings and it will force 1080p again, but at some point it reverts to 720p.
Is this a bug?
What happens when you bypass the receiver?