if this topic has already been discussed then sorry ahead of time. my question is: i have a .mkv video(its a 720p file) and im trying to burn it onto a DVD+RW cd and play it on a regular DVD player. can this be done? because i just tried and the dvd player told me to "check disk", meaning it didnt take it. what file types can a dvd player play? ive always wondered. and also if any of you know of a converter so i can change the .mkv to a file extension that works for the regular dvd player, please link the site. boiled down- have a .mkv file on a DVD+RW that doesnt work on a dvd player, what will?