gpu installing

Hi, I thought rx 580 worked straight out of the box? is there something I am doing wrong? Is it because I'm running high Sierra? would it work if I did a fresh install of Mojave? sorry I'm a noob when it comes to hackintosh. When I run the card it's self, it goes black screen after apple logo...

I5 7400 7th gen 4 core 3ghz Gigabyte motherboard b250m d3h 8gb ddr4 ram Kingston hyperx 2tb wd hdd Nvidia gtx 1030 2gb ddr5 Corsair power supply I was using Mac high Sierra and windows 10 dual boot and after some time it stopped booting I'm getting no signal on screen now(mac)...i have used...

Hi, I have been running my new build for a few weeks and it's been relatively smooth. I am now ready to add a GPU (ASUS 1060 6GB STRIX) and move away from the Intel 630 on-board graphics. As this has become my main work machine I would like to make the switch with the least possible disruption...

Totenkopf and Stehor have been great getting troubleshooting the OS SL issues and boot0 issue. Now that I am running much more smoothly, how do i install the nVIDIA GeForce GTX 660 GPU? I downloaded the nvidia drivers before installing and set GraphicsEnabler=no. Am I missing a step?