Wtf!!

alright i have a mx2 400 with tv out, i'm running windows xp and have 512mb sdram in a pent 2 450. i'm trying to output LORD OF THE RINGS to my tv but as soon as i switch it to clone the desktop to the tv the damn thing won't show video but will play audio. i have played it fine with it just on the monitor but it won't output to the tv no matter what nvidia driver i use. tried a different dvd to see if that outputs to the tv and it works perfectly. i don't get it, i'm about ready to snap that damn dvd in half.

anyone else having similar problems?
anyone have any answers that might help?