How to Fix Windows is not showing as an option after moving from Catalina/Clover to BigSur/OpenCore.
This mini-guide provides a structural approach to troubleshoot and fix the issue.
Prerequisites
- Confirm your hardware specifications (CPU, GPU, Motherboard).
- Ensure you have a bootable recovery USB and backup your EFI.
Fix Steps
- Boot with
-v keepsyms=1 debug=0x100to identify the exact kernel panic. - Validate your config.plist using ocvalidate.
- Ensure your EFI matches the Dortania guide specifications for your CPU generation.
Verification
- Reboot and verify if the functionality is restored and stable under typical usage.
Original Question:
Hi!
I am running the most recent version of BigSur and OpenCore. Everything is working just fine.
Previously I had a Catalina+Clover install in my primary SSD and Windows 10 on a secondary HDD.
After I installed BigSur I could not see Windows as a boot option in OC's boot selection.
Accordingly, as mentioned in the guide I have the following setting on my config.plist:
Misc -> BlessOverride -> \EFI\Microsoft\Boot\bootmgfw.efi
Any help would be very appreciated.
Thanks!
P.S: I am using a laptop.
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