Hi. I have what I belive to be just your standard dvd player in my computer. So, this friend of mine is into the whole, let me back up every dvd that I own thing. Being the wonderful person that he is, he lets me, on ocation, borrow one of these backed up dvds of his. But, for some strange resone my computers dvd player will NOT play a burnt dvd. Can some one PLEASE tell me why. Is it simply my player, or is there some strange codec or driver that I need? PLEAES PLEASE HELP!!