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Restore grub2 - update error 08/08/2021 in ubuntu 20.04

br flag

I have ubuntu 20.04 in dualboot with windows 10.

I just updated ubuntu 20.04 and apparently grub2 is not working anymore. This error appears: https://imgur.com/a/fF3KMtv .

Is there a way I can solve it from the windows 10 partition?

thanks in advance,

Pablo

Pablo MorPal avatar
br flag
I restore grub with a live usb. But now, when I enter in windows, and restart, the same problem appears again.
ChanganAuto avatar
us flag
In any dual-boot disabling the Windows Fast Startup feature is a must.
oldfred avatar
cn flag
Have you updated UEFI firmware? And if SSD updated SSD firmware? What brand/model system. Some only let you change boot order from within UEFI settings & boot tab (not the UEFI boot menu).
Pablo MorPal avatar
br flag
Finally, after many attempts, an ubuntu update 2 weeks ago solved the problem. Every time I wanted to access ubuntu it had to be through a liveusb to repair EFI.
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