Guest Emen Mali Posted February 1, 2022 Posted February 1, 2022 After successfully installing and using Monterey via OCLP on my 4,1->5,1 for a couple of weeks. I decided (big mistake) to switch to Opencore 0.7.6, to use the Thunderbolt card. Now I'm unable to boot my machine. Even after booting 4 times (PRAM) the screen never turns on and then shuts off before displaying anything. The Mac Pro (2009) has been modified with the pixlas mod and I'm using a 5700xt. 48gb RAM, dual 5680. One blank SSD in the Bay 1, with High Sierra installer on a USB. Anyone... Read more Source: MacRumors
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