auto take off

I've used my Phantom 3 for about 8 months now with no problem and some great results. But went out this afternoon and two problems 1. It wouldn't auto takeoff and kept saying the command was timed out 2. The camera view has changed and I don't have the normal camera/video switch over button...

Apologies if this has already been posted I have searched and spent hours reading all sorts of posts. Had several hours of flight before this happened, all successful and taken the opportunity to try ATTI mode in the event of error along with hand catch landings, ground landings and auto...