Bought BG:EE on steam. Tried to play it. When i click play the game start but the screen is wierd. half is black and half is white. the mouse cursor is correct and the sound is correct. i click around the screen and nothing happens.tried various things. ran Oalinst file, tried various compatibility modes, ran in admin mode, verified graphics were up to date, ran in windowed mode, restarted computer. Nothing changed it. Any suggestions?