R9 390X No Boot

[ApolloDX]

Hey so I just got my R9 390X, and it will not boot. I have only got it to boot once with 7mb of VRAM. Other times it either goes blank or my system goes into a reboot loop. These outcomes were all using different ids. Everything works fine with the IGPU. My system is
i7 6700K
R9 390X Devil
MSI Z170 Titanium
16gb of DDR4 3200mhz
macOS Sierra.
I'm really a noob at Hackintosh so please bare with my stupidity.

 

[Fl0r!an]

Can you elaborate on that "will not boot" part? Kernel panic? Freeze? Black screen?

Are you booting with Inject / Ati = True or False?

 

[ApolloDX]

Can you elaborate on that "will not boot" part? Kernel panic? Freeze? Black screen?

Are you booting with Inject / Ati = True or False?

Yes I'm booting with inject ati but intel is off

 

[Fl0r!an]

Try disabling Inject / Ati, it'll most likely lead to dead ports.