I got a home-made DVD from somebody and it won play. Whats the deal?
There are four types of home-made DVDs, and not all players are compatible with all types. The four types are DVD-R, DVD+R, DVD-RW and DVD+RW. Any given living-room DVD player might support any combination of these, all of them, or none of them. It’s just a fact of life. DVD players in computers and video game systems generally support them all.