GA-Z270X-Gaming 5 build

[Robvas]

Hey guys, I'm new here. Need some help with my new build.I've got:
GA-z270x-gaming 5
i7700 cpu
Ballistix Sport 32gb
OCZ m.2 RD 400
Vega 64

I cant pass clover screen, I followed High Sierra Beta build posted here. Does anybody have luck with similar components.
Thank you

Robert

 

[Robvas]

Still no progress:
this is what I've got.