FL on Mac OSX, I tried using the same principle as FL 11 wrapped and have great success !
So this is my video about installing FLStudio 12 in Mac OSX (It's Maverick on my laptop) :
[embed]http://www.youtube.com ...
FLStudio [/list]
[list=] Running the diagnostic tools from FLStudio (no problems detected) [/list]
I tried to replicate the issue on an external screen (nothing's wrong on an external screen). I guess it is not a GPU issue ...