jfmorin2016 Posted December 5, 2020 Share Posted December 5, 2020 I Have HP Pavilion 17-f197nf Catalina and Mojave work perfectly but when i try Update to Big Sur from Catalina, just freeze on 1st reboot. PS: Catalina and Mojave use the same EFI and work with all fonctional hardware (even battery). Do i need to build EFI from OpenCore ? Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted December 5, 2020 Moderators Share Posted December 5, 2020 Yes, you need OpenCore for Big Sur. Link to comment Share on other sites More sharing options...
Administrators Hervé Posted December 5, 2020 Administrators Share Posted December 5, 2020 Unrelated to ProBook 650 -> moved to own thread. Link to comment Share on other sites More sharing options...
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