Nvidia+AMD GPU in mining system

wisconsinb5

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May 18, 2015
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I got another gpu for a mining build I'm doing and I saw that a lot of people were doing mixup builds with nvidia and amd gpus in the same build. I got an r9 390 to add to my gtx 1080 ti and bolster mining rates but the 390 won't do anything. The bios recognizes it, the os recognizes it, and the amd driver installer says drivers are properly installed, but the gpu just doesn't do anything. I tried benchmarking it using nicehash's program but memory and core clock won't go higher than 0. The gpu is getting warm, though. So I know electricity is going through it. What's going wrong? Is it a clashing driver issue?