How come the brightness and contrast revert back after I change them?

by on March 23, 2011

Q: I am using Windows Media Player on my laptop. When watching a DVD or downloaded movies the picture is very dark that it makes it unwatchable. I have found the video/colour adjustments in MP but when I adjust any of the slider settings (i.e.brightness, contrast) they just revert back to their original position. Am I missing something or is there some other way to make these adjustments.