Lifebox (Maxtor) 250G Med device and Mass Storage

Question

I am using the Lifebox for the 1st time and i see it comes with very little info, anyway i formatted the device (ntfs) and i transferred homemade dvd using nero encoding and that was ok i tried to play on TV but it will not play and it is telling me that "No File Found in this Format" It plays ok on computer using Windows Med Player