I don't see the Unibeast loading screen

[RvGPredator]

Hello.
Excuse me for any grammatical errors.

I followed a few guides on youtube and on this website on how to install osx to a personal computer.
I simply downloaded El Capitan by the apple store and using Unibeast I completed the process on my USB (30 gb), and after I added multibeast into the usb.

I edited all the options into the Uefi Boot, but when I start the pc windows starts normally.
I tried to disable all other devices except the USB, and when I start the pc, the pc gives me this error:
reboot and select proper boot device or insert boot media in selected boot device or insert boot in selected boot device and press a key.

Someone can help me?
Thank you!

Components of my pc:
MotherBoard: ASRock z87 pro 3
Processor: Intel core I5 4690k
Graphic card: ASUS Geforce GTX 970
RAM: 2 x 4gb Vengeance DDR3


P.S: Yes I'm using the 2.0 usb port

 

[RvGPredator]

Anyone?

 

[RvGPredator]

I have seen that many users had this problem with my motherboard.
I'm sure that I correctly edited all options in the UEFI boot. (Probably there is some options that I don't know I have to edit)

Which can be the problem?