Ubuntu updating bootloader

We are also aware of some cases where the UEFI boot entries from the Grub update, (ie regardless of the BIOS update), that could not be created correctly.

We also know about such documented cases with both X9SCM-F and X9DR7-LN4F motherboards with Ubuntu Launchpad. If there are missing UEFI boot entries after the core update they can be restored as described below after restarting the system.

Press Alt-F2 (or open a terminal) and paste in the command When prompted, enter your password, as you'll be editing a system file.[...] Preparing to replace grub-efi 1.99-21ubuntu3.9 (using .../grub-efi_1.99-21ubuntu3.10_amd64.deb) ... Preparing to replace grub-efi-amd64 1.99-21ubuntu3.9 (using .../grub-efi-amd64_1.99-21ubuntu3.10_amd64.deb) ... Preparing to replace grub-efi-amd64-bin 1.99-21ubuntu3.9 (using .../grub-efi-amd64-bin_1.99-21ubuntu3.10_amd64.deb) ... Preparing to replace grub2-common 1.99-21ubuntu3.9 (using .../grub2-common_1.99-21ubuntu3.10_amd64.deb) ... Preparing to replace grub-common 1.99-21ubuntu3.9 (using .../grub-common_1.99-21ubuntu3.10_amd64.deb) ... [email protected]:~$ sudo efibootmgr -v Boot Current: 0001 Timeout: 10 seconds Boot Order: 0001,0000,0002,0003,0005 [email protected]:~$ sudo grub-install --bootloader-id ubuntu /dev/sda Installation finished. [email protected]:~$ sudo efibootmgr -v Boot Current: 0001 Timeout: 10 seconds Boot Order: 0001,0000,0002,0003,0005 [email protected]:~$ Author: Werner Fischer Werner Fischer, working in the Web Operations & Knowledge Transfer team at Thomas-Krenn, completed his studies of Computer and Media Security at FH Hagenberg in Austria.He is a regular speaker at many conferences like Linux Tag, OSMC, OSDC, Linux Con, and author for various IT magazines.If you set the value as “0”, the first operating system in the GRUB boot menu entry will boot.If you set it as “1”, the second OS will boot, and so on.

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