Hello, I have a 9800 GT graphic card and windows 7, resolution can go high and when i lauch left 4 dead 1 or 2 for pc says input not supported, can i assume LFD is displaying highest resolution that my monitor does not support? MAX resolution my Acer (old old monitor) monitor displays is 1280/1024. i try changing my resolution inside nvidia controll panel but that only chances my window not game resolution, this only happens with LFD other games. I try so far the followings: Upgrade driver: downgrade driver: install driver from nvidia install driver from CD: reinstall both LFD 1 and 2 many times compatibility to run in 640x480 well thats all i tried by myself, maybe one of you has a smarted solution. any tips or ideas are greatly appreciated.