Guest sirroderick Posted June 24, 2022 Posted June 24, 2022 Having successfully installed Big Sur on Mac Pro 2009 I thought I'd give Monterey a go using the opencore.app this time and some help from . All went smoothly til the post install stage. A window was supposed to open to enable moving OpenCore to the Monterey SSD but it never appeared and now I am unable to disconnect the USB installer disk. I read that I should be able to download and install OpenCore Legacy Patcher again and use that to finalise the install but it won't... Read more Source: MacRumors
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