My son was playing Far Cry and really enjoying it , he had got to the stage after the beached ship and the screen goes black, which was very frustrating, I have uninstalled the game and reinstalled it and he had to start again, all goes well until he enters the room with the mobile phone and the chap starts talking(video) and says he is going to help him escape as the chap is talking the screen goes black and there is nothing I can do except control alt delete and end program.. anyone know how tro fix this please?