HDCP problems
I occasionally got this error message before but switching both TV and AppleTV off and then back on resolved it. Now I can't get it resolved it at all. It shows when I try to use airplay from my ipad 1 and from iTunes on my MacBook Pro. The only video I can get to play via Airplay are some music videos that are copy protected. None protected videos won't play despite the fact they used to be ok.
Is this a software problem or is there anything else I can try.
Macbook Pro, Mac OS X (10.6.6)