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    2009 MacPro won't wake from sleep.

    Hello, A little about my MacPro set up: 2009 Mac Pro 4,1 with a flash upgrade to 5,1. running High Sierra with about 32GB RAM. My boot drive is an SSD. I recently noticed my MacPro will not wake from sleep after installing an MSI RX 570 Graphics card. The card works great up until the point of...