Turns out, swapping the outputs didn't do anything.
Plus, I've realised that when I select Auto (Dual) for video out, I'm getting nothing, that's why I have to select monitor 1 or monitor 2.
I'm wandering if the old denon is up to the job
I have a Denon AVR-X2300W hooked up to a Philips 50PUS7805 50" 4K TV, through hdmi output 1.
I did have an Optoma HD50 connected to the AVR through hdmi output 2.
Recently I've swapped the HD50 with an Epson EH-TW7000 and upgraded all input and output hdmi cables to hdmi 2.2.
I'm getting a...