I had a burned dvd that someone gave me. I tried to burn that dvd by putting it in my dvd-rom drive, going to my computer, and saving the contents on my hard drive. Then I copied that file to burn on a new dvd. When I put it in the dvd player or my computer it doesn't play, even when I open from my computer. It just shows the files being on the disc (different than original burned disc) What did I do wrong? Please help! Thanks.
