Everything working after 8 hours, just can't get the HD 7770 to work :(

[Simplington]

Ok so everything is working fine, got my HD Graphics installed, 2/3 monitors working, wifi card, the whole lot, even iMessage works lmao, all i need is my HD 7770 to work, its plugged in and when I go to boot with the Verde.kext it black screens and the monitor doesnt pick up a signal, the other two monitors work well and even OS X Capitan recognises the HD 7770 with the correct memory as the graphics card, it just wont display a signal any help is greatly appreciated!

HD 7770
Asrock Z77 Pro4
Intel i5 2500k
64GB SSD
8GB RAM

 

[nobodynose]

Ok so everything is working fine, got my HD Graphics installed, 2/3 monitors working, wifi card, the whole lot, even iMessage works lmao, all i need is my HD 7770 to work, its plugged in and when I go to boot with the Verde.kext it black screens and the monitor doesnt pick up a signal, the other two monitors work well and even OS X Capitan recognises the HD 7770 with the correct memory as the graphics card, it just wont display a signal any help is greatly appreciated!

HD 7770
Asrock Z77 Pro4
Intel i5 2500k
64GB SSD
8GB RAM

This thread might have some useful information (or pointers to some): http://www.tonymacx86.com/threads/radeon-compatibility-guide-ati-amd-graphics-cards.171291/