D dksoutha macrumors member Original poster Mar 5, 2012 36 1 Nov 25, 2023 #1 I am running Sonoma on a 4,1/5,1 cMP via OCLP 1.2.1 and have added a SSD with a Win10 legacy installation on it. Using that setup, how do I convert Win10 from legacy to UEFI? Thanks in advance
I am running Sonoma on a 4,1/5,1 cMP via OCLP 1.2.1 and have added a SSD with a Win10 legacy installation on it. Using that setup, how do I convert Win10 from legacy to UEFI? Thanks in advance
bogdanw macrumors 604 Mar 10, 2009 6,974 3,607 Nov 25, 2023 #2 “OpenCore's shortcomings Does not support booting MBR-based operating systems Work around is to chain-load rEFInd once in OpenCore” https://dortania.github.io/OpenCore-Install-Guide/why-oc.html#opencore-s-shortcomings https://www.rodsbooks.com/refind/ Otherwise, the only way I know is to reformat the Windows SSD as GPT and install Windows again. Reactions: dksoutha
“OpenCore's shortcomings Does not support booting MBR-based operating systems Work around is to chain-load rEFInd once in OpenCore” https://dortania.github.io/OpenCore-Install-Guide/why-oc.html#opencore-s-shortcomings https://www.rodsbooks.com/refind/ Otherwise, the only way I know is to reformat the Windows SSD as GPT and install Windows again.