![]() ![]() For instance, one may want Windows, a few Linux distributions, and even a Mac OS X deployed on the same system. Overview of Grub2Winįirst, boot managers resolve the problem that many users interfere with when installing different OSes on their PC. It provides a boot manager that allows you to boot from various operating systems whenever you power your computer. Including existing Windows 10/11 partitions.Free Download Grub2Win latest version standalone offline installer for Windows. If all went well, grub should have updated the menu entries to reflect what it detected. Open a terminal and type sudo update-grub (enter your root password when prompted).Proceed to boot into your Linux environment.Upon reboot you should be presented with a GRUB2 menu. Type grub-install -recheck /dev/sd x (replacing x with your actual device).Type mount /dev/sd x# /mnt (replacing x# with your actual device and partition number).Note which device contains your Linux partition (IE: /dev/sda1).Type sudo su (press enter after typing each command).Once up and running, Open a Terminal (Ctrl+Alt+T).Here are some steps to restore Grub2 after a Windows install by using a Live Linux Bootable USB drive. How to Restore GRUB2 after Windows Install If you overwrote Linux with Windows, this tutorial will not work for you, as there is no Linux system to recover boot. Note: This GRUB2 Installation process assumes that a Linux Partition still exists. When finished, your Bootloader should detect all installed Operating Systems and automatically add a bootable menu item for each of them. ![]() Recovering the GRUB2 Bootloader after a Windows 11 or 10 install is simple. If you have a Linux Distribution installed on a partition, and attempt to install Windows alongside it, your GRUB bootloader will be overwritten by the Windows bootloader, and your computer will only boot into Windows. GRUB2 (Grand Unified Bootloader) is a universal bootloader used by Ubuntu and other Linux Distributions. How I Restored GRUB2 after a Windows Install. ![]()
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