Just travelled to one of my flying spots with my P2 and just as I about to fly found the GoPro would not turn on! Of course it had worked fine at home just before I left. The last time (and so far only other time) this happened, removing and refitting the battery sorted this out. But had not packed my hex screwdriver for the zenmuse. So decided to see whether powering up the Phantom would have any positive effect on the GoPro. The power light on the camera came on. And after powering down the Phantom found the GoPro now worked fine and did 3 flights. So not a wasted afternoon after all!
bill
bill