Every time i want to play dota, on screen it will say "not optimum resolution, recommended 1920x1080" but option on dota, max reso can get is 1280x 1080 only... btw my monitor is samsung sw2233... whenever i go out and play at cc there is no problem with other samsung monitor... pls help.... now i play dota on my old laptop and always lag... i doubt any problem with my proc and gc...