Radeon RX 570 triple monitor

Hello guys, I have a Hackintosh running perfectly with a RX570 dual display but whenever a plug in a third one it stays black. The computer detects it cause I can see it in display settings and one I disconnect one of the other it begins to work so it isnt a display problem. The first to monitors are connected on dvi and the third on on display port. Anyone knows a fix? Thanks!

submitted by /u/mathbusque
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