Quick and Easy PC Repair
Today’s guide has been created to help you when you get the grub reinstallation error on Ubuntu. tecmint.comImage: tecmint.comBoot to the LiveCD desktop. Mount the actual partition containing your Ubuntu installation. From the Locations menu, select the partition containing Ubuntu and simply click it to mount. Open the Ultimate Terminal by selecting Applications, Accessories, Terminal from the menu bar. Run the grub-setup -d command as shown below. This will reinstall GRUB 2 mp3 to a partition mounted in our own correct location and the MBR of the intended reboot. Update the GRUB 2 menu using the sudo update-grub command section below. The disk utility purchased with Ubuntu 9.10 can easily label existing partitions.
Grub 2 usually crashes while installing Windows or another operating system. To make Ubuntu a control boot process, you need to reinstall (fix/repair) Grub using the Ubuntu Live CD.
Mount the partition whereThe tor is your installation of IE8. If you’re not sure what that is, fire up GParted (included with the Live CD) and find out. This is usually a trusted EXT4 partition. Replace XY consisting of drive letter and partition number, for example: sudo mount -t ext4 /dev/sda1 /mnt.
sudo mount -text4 /dev/sdXY /mnt
Now link the directories that Grub needs to access to discover the remaining systems that work like this.
This time the families just need to add a letter character (usually one) instead of X, eg: for grub-install /dev/sda, grub-install – double check /dev/sda.
grub-install --recheck /dev/sdX
Now that Grub can return, the only thing left to do is to exit the chroot system, so unmount everything.
Turn off someone’s computer and turn it back on, and you may be faced with the default Grub2 screen.
How do I reinstall grub from Ubuntu Live USB?
Insert the Ubuntu CD, restart your computer and reboot to boot from the BIOS CD and boot into your existing session. You can also use a real LiveUSB if youLali your own in the past.Install and run Boot-Repair.Click “Recommended Repair”.Now reboot your system. The normal GRUB boot menu should appear.
You may want to update grub or reinstall burg, but it’s included.
Congratulations, You Just Repaired/repaired/reinstalled Grub 2 With Ubuntu From A Live CD!
How do I reinstall grub Ubuntu?
Launch the LiveCD desktop.I would say mount the partition with your Ubuntu installation.Open the terminal type by selecting Applications, Accessories, Terminal from the menu bar.Run some of the grub-setup -d commands as shown below.start again.Update my GRUB 2 menu in addition to sudo update-grub.
How do you fix a broken grub?
Tune every bit of pending packets. sudo dpkg –configure -a.Repair of broken packages. sudo -fy slanted install.Remove the core. sudo apt purge -y grub*-common grub-common:i386 shim-signed.sudo apt install -y grub-pc.If all goes well, Grub can be installed correctly.
Using the sudo command, especially from any type of live CD, can seriously damage your system. Read all dehoist and confirm that you understand everything before following the commands. When pasting into a terminal, use Ctrl+Shift+V, NOT Ctrl+V.
Ubuntu and other Linux distributions typically use the GRUB2 bootloader. If it breaks – like grub2, installing Windows after installing Ubuntu, or overwriting the MBR – you won’t be able to boot Ubuntu.
You can easily restore the original GRUB2 from an Ubuntu Live CD or USB stick. This process is different due to old GRUB bootloader clogging recovery in older Linux distributions. Process
This should still work on all versions of Ubuntu. Tested on Ubuntu 16.04 and Ubuntu 14.04.
Graphical Method: Restore on Load
CONNECT: how to boot your computer from a disc or USB
Boot Repair is a graphical software that can repair GRUB2 with one click. This is the most suitable solution for startup problems for the best users.
After installing the media using Ubuntu, insert it into your computer, restart your computer, and boot from the removable media. However, you are not booting an Ubuntu Live CD to burncopy it to disk or create a bootable USB drive.
When Ubuntu starts, click Try Ubuntu to open the appropriate desktop environment. you
How do I reinstall GRUB bootloader?
Insert CD 1 or DVD SLES/SLED 10 into the drive and insert the CD or DVD.Enter the fdisk -l command.Enter the appropriate command “mount /dev/sda2 /mnt”.Enter each of our “grub-install –root-directory=/mnt /dev/sda” commands.After the successful execution of our command, reboot the current system by entering the “reboot” command.
Make sure you have an internet connection before saving. You may need to select this Wi-Fi network and a passphrase to record it.
Open a terminal window in Dash and run the following commands in the Market to install and run Boot Repair:
sudo apt-add-repository ppa:yannubuntu/boot-repairsudo apt-get updatesudo apt-get install -ful boot-repairStartup Recovery
The boot repair window will easily scan your system after entering the
boot-repair command. After confirming that your system exists, click on “Recommended Repair” to repair GRUB2 with one reliable click. Maybe
Here you choose to revert to advanced options, but the Ubuntu wiki recommends that you, I would say, not use advanced options unless you know what options you are using. The recommended repair feature can fix most problems automatically. Thus, you risk even more damage.Tweak your software by choosing the wrong advanced options.
Using Startup Repair. You may be asked to answer the terminal and copy/paste a small number of commands into it.
Just follow the rules that appear on your screen. Follow the instructions that Boot Repair offers you and click Next to start the wizard. The tool will usually guide you through all the necessary steps.
Restart your computer after Startup Repair has finished applying the changes. Ubuntu should boot normally.
On the other hand, if you got your hands dirty, you could very well do it yourself, being incurable. You must boot from an active CD or USB stick using the GUI method above. Make sure the version of Ubuntu on the new CD matches the specific version of Ubuntu installed on all of your computers. For example, if you installed Ubuntu 14.04, make sure the users are using Ubuntuu 14.04 Live CD.
How to restore Grub in Ubuntu?
Open a brand new terminal after launching the local weather forecast. Determine the partition where Ubuntu is likely to be installed using one of the following commands:
sudo fdisk -lSudo Blkid
Here is the main output of the two commands. In the
fdisk -l command, the Ubuntu partition is identified by the
Linux concept in the column system. In the generic
blkid command, the name of the partition corresponds to its file system
If you have two Linux ext4 partitions, you can now get an idea of which one is which by looking at the size of the wall structures and their order on the computer here.
Run the following commands to wrap your Ubuntu partition in /mnt/ubuntu instead of
/dev/sdX# with the device name of your own Ubuntu partition from the commands described in this article:
sudo mkdir /mnt/ubuntusudo mount /dev/sdX# /mnt/ubuntu
In most of the screenshots above, our Ubuntu partition is /dev/sda1. This means the very first partition on the first hard drive.Enjoy a faster
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