GNU/Linux Ubuntu 24.04 Fixing GRUB Guide
Hi! This tutorial will guide you step-by-step on How to Reinstall/Fix GRUB 2 in Ubuntu 24.04 LTS GNU/Linux.
GNU GRUB for Ubuntu 24.04 is a powerful Boot Loader that can load a wide variety of Free Operating Systems, as well as proprietary OSes with Chain-loading.
A Boot Loader is responsible for loading and transferring control to a Kernel OS Software (such as Linux or GNU Mach).
This setup is necessary to fix OS boot issues after an unsuccessful installation or for a GNU+Linux/Windows Dual Boot system.
Finally, this guide is valid for all Ubuntu-based Distros including:
- Linux Mint
- Zorin OS
- Lubuntu
- Elementary OS
- KDE Neon
- Pop_OS!
- Xubuntu
- Linux Lite
- Bodhi
- Puppy
- Kubuntu
- LXLE
- Trisquel
- Voyager Ubuntu
- feren OS
- Peppermint
- Linux Ultimate Edition
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1. Launching Terminal
How to QuickStart with Command Line on Ubuntu
First, update the Apt Repo Sources with:
sudo apt update
Authenticate with the User Admin Pass.
If you encounter “User is Not in Sudoers file,” refer to: How to Enable sudo.
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