No display at booting my macpro nvidia GeForce GTX 750 Ti 2047 MB

[mohammedamr]

Hello, everyone, i have the mac pro3,1 i got the nvidia GTX 750 Ti 2047 MB and i downloaded the nvidia web driver everything is working fine my only problem is when booting my computer i get a black screen.
So i cant choose between my softwares like mac and bootcamp windows and if i want to download new mac software i wont be able to see the setup.
Thankyou.

 

[vinhle158]

me too, now can't fix black screen problem when replace graphic card without ...

 

[Stork]

mohammedamr & vinhle158,

Sorry for the late reply. You have to install the Nvidia drivers for your build number before you switch from the old card to the GTX 750 Ti.

Lots of good information on the MacRumor's Mac Pro forum section, especially in the Nvidia sticky thread.
https://forums.macrumors.com/forums/mac-pro.1/