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rated 0 times [  1] [ 0]  / answers: 1 / hits: 1630  / 2 Years ago, tue, january 11, 2022, 9:27:23

I used Option+Command+P+R to try and fix a sleep issue in OSX. From there I'm a little confused about what happened but I ended up in a mac recovery mode (offering to reinstall OSX), which I tried to exit out of as quickly as possible.



When it rebooted, it seems to be jumping straight to grub, which needs telling which partition to boot and I can't boot OSX (only Ubuntu).



It's as though I've changed the active partition (is that even relevant for EFI?). Can this be fixed from inside ubuntu? I have a retina display macbook, so no CD, and I'd like to fix this from inside Ubuntu ideally.


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Try booting with a CD-R or USB flash drive image of rEFInd. This should enable you to boot into OS X and re-install rEFInd there (or just re-run the relevant bless command from the rEFInd OS X installation instructions -- see step #8).


[#26948] Thursday, January 13, 2022, 2 Years  [reply] [flag answer]
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