My ipad2 camera video files (.mov) used to play fine on both my ipad and pc when exported or emailed off it to play on my pc/laptop. The older files still do but those since sept/oct 2012 (IOS5 and IOS6 upgrades) now only play audio with a blank screen on anything other than another ipad/ipod! Any ideas? Quicktime player is the pro version and up to date? Need to view o something else? Any ideas? Help/tips would be appreciated!