PG278Q Hz Problem, need help please

[Al_Jourgensen]

(07-27-2015 04:40 AM)ToastyX Wrote:  You shouldn't have to do anything special for higher refresh rates to work. Either your laptop only supports DisplayPort 1.1 speeds, or the driver is not handling it correctly. 2560x1440 @ 144 Hz uses a lot of bandwidth and requires DisplayPort 1.2.

Hello and thank you for your answer my friend, has i told earlier, i have a GTX 770M that was working perfect with an Asus VG248QE, i don´t know what changed....the Notebook is a ROG G750JX, i don´t think that it´s a problem.

But thanks anyway my friend for your kind answer.