My ipad froze while playing a video that I downloaded from iTunes - a Monk episode. It was working ok, them 1 minute into the vid, the screen suddenly showed a random screenshot looking image and it froze and then went dark. I was downloading another episode at the time, but I have done this before, no problem. Other apps work fine. Battery was fully charged. Now, I click on videos and get a dark screen, and that is all. the volume icon lights up if I change the volume and if I go from full powr down to regular startup and hit videos I get the dark screen with the small icons across the top for a few seconds and the little cirlce goes round and round for a couple seconds then am back to a dark unresponsive screen. At this time, all downloads are done, the unit isn;t "doing" anything in the background, battery charged....what now ?