My compaq presario won't play dvds. it says its

Have you downloaded any DVD player programs on your computer, not just some video media players? Because you should use a DVD player program to open and play a DVD. If you have not, you can try some free dvd players such as Leawo Blu-ray player, VLC, Realplayer, etc.

Have you tried downloading any free dvd players from the internet? if not then try this one from www.download.com.

http://download.cnet.com/3001-20_4-10310889.html?spi=f6bbc96d58bde6ecda90603a8910d457

If the problem persists, then you are most likely having a problem with your player and might need to be cleaned or replaced.