Asus CM6730 - Installation problem

[macitaly88]

Hi guys, i'm trying to install el capitan on my Asus CM6730 workstation. i'm using unibeast guide.
My system has:
Asus P8H61-M Pro motherboard
intel i7 2600
8 gb ram
2 hdd (Windows7 and one for Mac (i hope))
nvidia gt 530 (2gb)

i have insert the unibeast USB, but i have only a black screen with an "_" underscore.
can you help me please?

I want to make an hackintosh using my old pc... if necessary, i can also install older version of macOS, i would like to have a working machine.

 

[Going Bald]

Please follow the rules and enter your hardware into your profile and / or create a sig.
What boot-args are you using to boot with?