> - you are not in mirror mode: the primary display is irrevocably the built-in one. DVD Player goes fullscreen on that 13", while you can enjoy 42" of glorious

> - you are not in mirror mode: the primary display is irrevocably the built-in one. DVD Player goes fullscreen on that 13", while you can enjoy 42" of glorious Lion linen. Of course you don't want to close the screen, unless you have both fed the laptop with AC and have an external peripheral at hand to control Apple Remote, an external keyboard or a Magic Trackpad, which is a ludicrous situation. You can change which screen is the 'primary display'.