Ahhh, that's an interesting clue.
So HDMI has a lot of handshaking going on. It may be the order you turn on each matters.
Anyone successful hooking up a computer through a processor?
I have a nad processor and I connected the HDMI from a desktop tower to one of the HDMI sources.
Don't have any problems with Apple TV or cable box.
It's very glitchy and does not work very well. It worked once and now it doesn't work anymore. You would think this would be pretty simple.
Thanks