Quote Originally Posted by Kyuuki_Chan View Post
It's ok !
Down to 90 Hz , and the game launch.

How to made this :

-Right clic on your desktop Open Nvidia control Pannel.
-Choose Change resolution
-Create a custom resolution
-On the frequencie rate , chose 90 Hz Maximum !
-chose your custom resolution
-Launch FFXIV with DX11 setting

Enjoy the game !

( sorry for mistake, i'm french )
This worked for me, great explanation.