17 дек. 2011 г. · The easiest way is to simply chroot into your install and run update-grub. chroot is great because it allows you to work on your actual install.

29 сент. 2016 г. · The important point is to boot the installation media in the correct boot-mode, if we want to reinstall grub-efi we have to boot in UEFI-mode, ...

23 сент. 2014 г. · Run sudo update-grub on your LiveCD. If that fails, follow the below directions. For Windows, you will need to manually repair your bootloader. ...

26 нояб. 2011 г. · A better way might be to boot from LiveCD, chroot intro the broken installation and run grub-install/update-grub from there.

5 мая 2020 г. · Try a sudo update-grub after the install. If your Windows also boots in BIOS mode, it should add Windows to your grub menu, without affecting ...

11 мая 2020 г. · Go into UEFI settings & change boot order to have Windows first. You then choose in UEFI boot when you want Ubuntu.

7 февр. 2017 г. · Part 2 - Reinstalling the GRUB boot loader. Boot from the Ubuntu installation media - select the option Try Ubuntu without installing. Once you ...

11 дек. 2023 г. · The recommended way is to edit the file (make a backup copy, say grub.working_original ) /etc/default/grub and then run sudo update-grub . This ...

24 апр. 2016 г. · Boot from the Ubuntu installation media and select Try Ubuntu without installing. When you have entered the Ubuntu Live desktop, open a terminal ...

3 февр. 2024 г. · Run update-grub. This will add both installations to the grub boot menu. Also will set the last operating system you booted to be the default.