cant get cdr movies to play

[scooby3903]

hi i have a samsung m105 and ive made a movie with 321 studio.but dvd player says it cant play it , but if i put it into my pc it start to run on automatic with creative play center 2 what do you think is the cause is it that the dvd only plays certine cdr or cdrw,s or have i wrote the cd wrong with 321 studio
it wrote to cdrw first and it would not play and then tryed cdr and
it still will not play