Starcraft 2 on Macbook Pro Retina on external 27″ – No valid resolution

macosstarcraft-2

My primary monitor is set to the 27" at 2560 x 1440.

I can't window and unwindow (command + m) either. what to do!?

Best Answer

Well I figured out that you can just do "window full screen". Only problem is that playing liek this is really annoying since your mouse goes outside the window, and the performance degrades. :(