first of all this server is best ever for sony lcd and i discovered it before half hour

i just have one problem with this BLACK parts in movies. normaly this black parts is BLACK but on my movies is not black its gray. (not on my movies just WMS present in gray color)
any solutions?
than you guys!
here is link for picture if you didnt understand on what i mean: http://img402.imageshack.us/img402/1138/twilight123.jpg
sorry for my english is not the best
