You will need to research what Codec that DVD uses.
CoDec, Compression/Decompression, used to compress video files and then the same codec is used by the player to 'decompress' the file as it is played.
GSpot may help, although I am not sure it identifies DVD's.
GSpot Codec Information Appliance.
i have windows xp on my dell laptop (xps m1210) i reinstalled windows and installed all the drivers but i can not get the dvd player to recagnize a dvd. it will play cds and burn cd's but it wont play a dvd. it gives me this messege instead...Windows Media Player cannot play the DVD because a compatible DVD decoder is not installed on your computer. but i installed all the ones i should need and now i dont know where my install disc is. can you help me get the correct driver installed please (or is it another problem)