How to recover GRUB. Grub is one of the best multi-boot managers currently available, it is capable of loading a large number of operating systems. However, in some cases the Grub Boot is affected by various problems and this would make Grub unable to load an operating system, for this reason it is important to know how to recover GRUB to be able to act on the problem in case it arises.
Recovering GRUB is pretty easy, since there are a good number of applications to repair startup problems, in this case we will use Boot Repair, which is a very good tool that has a very easy-to-use interface capable of repair boot problems on Ubuntu or Linux.
It should be noted that if it is run from a Live CD from Ubuntu you could recover GRUB from any distribution.
To use Boot Repair, just follow these steps:
- First, to install Boot Repair, you must add the repository through PPA and update the system, to do this you must use the commands shown below:
sudo add-apt-repository ppa: yannubuntu / boot-repair
sudo apt-get update
sudo apt-get install boot-repair
- After this you can access the application, once inside the application we will see a very basic interface with a couple of options.
- Select the option "Recommended repair" and wait for the program to act.
In most cases, the recommended repair is enough for Boot Repair to repair boot problems, however there are some cases in which the recommended repair will not work, to fix this you must use the "Advanced Options" where there will be a couple of options that would help to recover the GRUB, among these the option of "Reinstall Grub" which would certainly fix the problem if none of the above works.
It can be said that this program is undoubtedly one of the best in the field, this being one that solves problems that may exist with GRUB in a very fast and efficient way.
Last s who want to install GRUB to boot Linux and Windows are advised to install Linux last, being that if Windows is installed last, it will conflict with the Linux boot, which is one of the most common reasons for GRUB to fail and get damaged.