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Ubuntu grub not updating

The Ubuntu installer will create an UEFI boot entry in BIOS during the installation of Ubuntu 12.04 LTS Server on a server with a Supermicro X9SCM-F Motherboard.When updating the BIOS of a Supermicro X9SCM-F motherboard (from BIOS Version 1.x to 2.x), these boot entries will be lost and Ubuntu will no longer boot afterwards.If you have multiple Linux ext4 partitions, you can get an idea of which is which by viewing the size of the partitions and their order on the disk here.Run the following commands to mount the Ubuntu partition at /mnt/ubuntu, replacing In the screenshot above, our Ubuntu partition is /dev/sda1.Open a terminal after booting into the live environment.Identify the partition Ubuntu is installed on using one of the following commands: file system.

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Open a Terminal window from the Dash and run the following commands to install and launch Boot Repair: command.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.Ubuntu and many other Linux distributions use the GRUB2 boot loader.If GRUB2 breaks—for example, if you install Windows after installing Ubuntu, or overwrite your MBR—you won’t be able to boot into Ubuntu.If you have the media you installed Ubuntu from, insert it into your computer, restart, and boot from the removable drive.If you don’t, download a Ubuntu live CD and burn it to a disc or create a bootable USB flash drive.After it scans your system, click the “Recommended repair” button to repair GRUB2 with a single click.You can choose to use the advanced options here, but Ubuntu’s wiki recommends you not use the advanced options unless you know what you’re doing.The problem can also occur alongside a BIOS or Grub update.This article shows you how to make the startup entries again.


  1. Universal support for UUIDs not just Ubuntu GRUB vs GRUB 2. Grub 2 Ubuntu Wiki External Links. GNU GRUB; GNU GRUB2 Manual; Illustrated Dual Boot HomePage;

  2. Restore Ubuntu UEFI Boot Entries. version 1.y is not affected by this. Updating the BIOS from one. @ubuntu-12-04~$ sudo grub-install.

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