Sorry for my english !
I use the same card ...
You need the nvida web driver for this card !
At first (!) install web driver ! and tHEN install the graphic card !
Befor you must cange in BIOS from IGP ( Intel HD Graphic ) to disable , and PCIe Slot to 1 !
then boot new...
at firstz sorry for my english ;) , last lesson 40 years ago ...
i try to use that monitor on a Hackintosh ( Yosemite , MacPro 2008 ) ,
but i became only 1920x 1080 screen , not more :thumbdown:
in the systeminfo is the screen detectet with 1080p ( 1920x1080) ,
but i want more (...