blank dvd-r compatibility ???

[craigm1]

Just bought a Hi-val Dvd Burner and some dvd-r media Compusa brand. Copied some movies with clonedvd as well as made a home video disc with Pinnacle STudio 8 discs play fine on computer with windvd and on a magnavox dvd player but dont play at all not readable on a Sony Dvd player 2 year old model or an apex 1200 Dvd player any help would be appreciated


Craig Margolies