If, for some reason, your TV doesn't like HDMI from the computer, just connect to your TV's VGA port (provided it's got one).
Most VGA ports on TV's are even more picky about what resolutions they will accept, many maxing out at 1024x768. It will almost certainly produce a picture, however. But it certainly won't be 'optimal' compared to what you could get with a properly sized HDMI output.
Well, maybe I'm lucky then, because my Samsung is properly detected and gets sent its native 1360 by 768.
Which macbook pro are you talking about?? the 15" or the 17" or both? I am planning to buy one, so is there a certain option or spec that i need to order for mine ? or do all MBP play 720p HD in clamshell mode?