asus rog gl553vw

Hi Everyone, I got an lg34wn750 display, but it doesn't want to connect to my Geforce GTX960m, on my Asus ROG Strix gl552vw laptop. I know that it doesn't support g-sync, but it would be nice to have it connected to my main GPU. Because I want it to run on 60 Hz and not black-out sometimes...