HP DVD drvie ???

Question

I have a hp a1214n i got it like in nov of 2005 and i used to have xp media center on it... then i upgraded it to vista my HP DVD writer 740b now dosent read dvd movies but it can read bootleg dvds borrowed from a friend , mini dvd from camcorder and cd's and it can even burn cds and dvds whats the problem?? how come my pc cant read dvd movies like shreck titanic star wars click and a bunch of movies when i put in a movie my drive blinks for a few minutes and stops and when i go to computer i click dvd rw drive it says please insert a disc and the tray ejects.... i researched all over google and they talk about upper filers , rootkits and etc.. HELP!!!

Answer 1

format setting may be disabled