Guest sirroderick Posted July 25, 2022 Posted July 25, 2022 Can't seem to install OCLP Monterey on my 2010 Mac Pro. I've successfully installed it on my other two 2009 Mac Pros and I'm just applying the same procedure with the 2010 model but the installer USB gets stuck right at the 'reboot with OPT key pressed' stage. Basically the installer won't mount. I've tried multiple times recreating the installer with different drives but to no avail. Apart from being a 2010 model the only other difference is it has an RX 580 8GB video card installed. The... Read more Source: MacRumors
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