Is it possible to install OS X 10.11 without a compatible graphics card

[russiantux]

Hey everyone, long time lurker. So I was gifted a Mac Pro that's from 2008, and to my surprise it didn't not have a graphics card or a hard drive I can boot in too, and when I try to booting into a OSX 10.11 install usb, it would boot in but would not display any video. I only have a GTX 780ti on hand and don't have money to buy a graphics card compatible with it. Is there any way to install OSX with this card or am I out of luck. Thanks in advanced everyone.

 

[h9826790]

Can't remember the installation process. Haven't done that for a long time already. However, if you need to use the mouse, that means it's impossible to install OSX without a working GPU / screen.

If you have any friend has a Mac, you may ask them to install OSX on this HDD, and then just plug the HDD back into your Mac Pro. It may be the easiest way to make it work.