Fix Fedora EFI Cannot Update Grub Menu

GNU/Linux Fedora Updating Grub Config Guide

Hi! This tutorial will guide you step-by-step on How to Update Grub Menu EFI Configuration in Fedora GNU/Linux Desktop.

And to Fix Grub on Fedora we make use of the very useful Grub Customizer GUI Tool.

Grub Customizer is a graphical user interface (GUI) tool for managing the GRUB bootloader in Linux. It allows users to modify boot menu entries, change the default operating system, customize the appearance of the GRUB menu, and tweak advanced boot parameters.

Key Features of Grub Customizer:

• Reorder boot menu entries: Change the boot order easily by dragging and dropping entries.
• Set default boot entry: Choose which OS or kernel should boot by default.
• Edit GRUB settings: Modify parameters like timeout, resolution, and theme.
• Add or remove boot entries: Create custom entries or delete unused ones.
• Kernel management: Easily remove old kernels from the boot menu.
• Customize GRUB appearance: Change background images, fonts, and colors.
• Restore GRUB bootloader: Fix boot issues if GRUB is misconfigured.

Finally, this Guide is Valid also for All the others Fedora Based Distros like:

• Nobara
• Quebe OS
• Ultramarine
• risiOS

1. 1. Booting Live OS

   So first, Boot Live CD/USB OS
   In case of a severe issue, it is the only sure way to get it fixed.

2. 2. Installing Grub Customizer

   How to Install Grub Customizer on Fedora GNU/Linux

   Installing Grub Customizer Fedora

   .

3. 3. Launching GRUB Customizer

   Finally, Launch & Enjoy GRUB Customizer.

   
   Or from Shell with:

   grub-customizer

4. 4. Updating GRUB

   Now if you have more than one Partition
   you may need to Change Environment:

   
   Ctrl+O or choose it from the Top Left Drop-down.
   And if shown a /boot/efi entry then Check it!
   Last, if the environment loaded is the right one then it’s enough to Save it:
   
   Ctr+S or choose the Icon on the Top Left.