Black Screen after Apple Logo

[SuperOne]

This is my first time installing hackintosh.

My Desktop Spec:
i7 4790k CPU
24GB RAM
Asus Z97-A motherboard
ATI Radeon HD 5670
Samsung SSD 850 EVO 250GB

High Sierra installation went smoothly and the monitor is connected to my dedicated ATI Radeon HD 5670 card.

Once installation has been completed, it show Apple Logo (while booting) and then Black screen without any text.

I did a lot of googling and I have no luck to get this problem fixed.

InjectATI is enabled via Clover.

I tried different bootflags:

GraphicsEnabler=No
GraphicsEnabler=Yes
GraphicsEnabler=No ATIConfig=Eulemur
GraphicsEnabler=Yes ATIConfig=Eulemur

Please see attached files.

 

[SuperOne]

So what is the solution if I can't use Clover?

 

[Feartech]

So what is the solution if I can't use Clover?

you have to use Clover to install Sierra

GraphicsEnabler flag doesn't work on clover

may be worth reading up on:
https://www.tonymacx86.com/threads/radeon-compatibility-guide-ati-amd-graphics-cards.171291/

 

[P1LGRIM]

So what is the solution if I can't use Clover?

You have misunderstood.
You have to use Clover.
GraphicsEnabler=Yes/No is for the Chimera boot loader and will not work in Clover.

Your image shows an active Serial port (SuperIO)which should be disabled in your BIOS settings.