Hello i currently experince wierd issue with changing gamma ingame. Its just wont react at all, i play at full screen also my video card Nvidia m 525 gt. If i use desctop gama -no changes , if i uncheck and try to moove slider-no changes ... Its too light and i wanna make it a bit darker but cant find a sollution. Also i run my game with administrator rights. Windows im using -W 7 64 bit.