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Re: problems dual booting Ubuntu 16.04 and Windows 10


From: Pascal Hambourg
Subject: Re: problems dual booting Ubuntu 16.04 and Windows 10
Date: Sat, 12 May 2018 09:40:24 +0200
User-agent: Mozilla/5.0 (X11; Linux i686; rv:52.0) Gecko/20100101 Thunderbird/52.7.0

Le 12/05/2018 à 06:34, David Collier a écrit :

  From there, install GRUB EFI :

grub-install --target=x86_64-efi --bootloader-id=Ubuntu


this is where it fails, it complaints that
/usr/local/lib/grub/x86_64_efi/modinfo.sh does not exist. And indeed it
does not, it looks like I have /usr/local/lib/grub/i386-pc, but if I use
i386-pc in the command line it prints

grub-install: error: install device isn't specified

You don't want i386-pc. This installs GRUB for BIOS.

You wrote that you built and installed GRUB from the source tarball instead of the distribution packages. Maybe you didn't build the EFI targets, and it is better to stick with the distribution packages. The one you need first is grub-efi-amd64-bin. It won't run grub-install automatically. After all is fine, you can install grub-efi-amd64 which replaces grub-pc and runs grub-install automatically.

Make sure you run grub-install from the distribution, not the one you built from source.



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