M/t Posted November 4, 2019 Share Posted November 4, 2019 Hi, I just put a GTX 770M GPU in my iMac2011 27inch model, and ofc I lost a lot of things because of that (most importantly my boot loader, so no updates for my iOS system), so the question is, is it possible to work around this problem and install Catalina OS on my iMac 2011? Link to comment Share on other sites More sharing options...
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