I have 5 of the Powercolor Red Devil RX 580 8gb models and only have the correct cables for 3 of them. I decided to try and flash the 3 so I can start mining until the cables arrive. I followed a step by step guide posted somewhere on the forums to fix the MSI Z170A Pro Gaming Carbon mother board in the bios. I shut down the machine, plugged in the 3 cards, and when I turned it back on everything started normal. The fans on the cards started to spin, motherboard's lights turned on, keyboard lights turned on, however the monitor wouldn't get signal at all. Teamviewer recognizes the PC as offline aswell. This doesn't occur when I have 2 GPUs, it only happens when I put 3...
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