Battlefront Weird Ground Colour/Texture

[gamewiz198]

Actually I notice this on the Geonosis and Mos Eisley maps that come with the game. Everything looks like a rainbow. I tried taking your advice,  but it didn't really help much. When I first got the game I had the same problem, but I was able to fix it with the fix that is provided by Jean. Now for some reason it doesn't work for me anymore.