My old graphics card stopped working so I replaced it with a inno3d geforce fx 5500 (was also an nvidia geforce 4 before). The new graphics card is working fine, except for when I play any videos. The colour is all messed up. It is as though the contrast, brightness, etc are not set right and they cannot be corrected by adjusting the values in the video player program. The problems are apparent in both media and realplayer (and I assume any other). The colour is otherwise completely normal everywhere except for on the video playing. The operating system is XP. Any thoughts on what I can do to sort it out? Something I need to download? Thanks a lot!