Step-by-step – GRUB Debug Boot Ubuntu Desktop Guide

Setting up

2. 2. Installing GRUB Customizer

   How to Install GRUB Customizer on GNU/Linux

   Grub Customizer Installation

   How to Install GRUB Customizer UI on GNU/Linux Desktops

3. 3. Launching GRUB Customizer

   Finally, Launch & Enjoy GRUB Customizer
   Use the Desktop Launcher:

   

   From Shell with:

   grub-customizer

4. 4. Setting Up Debug Boot

   Now to Set GRUB Debug Mode on Ubuntu Desktop
   Choose the “General settings” Tab.
   And on the “kernel paramenters” Box set:

   nosplash debug

   

   Possibly, add the “–verbose” Flag to display each Entry.
   And Save!

   

   Done! :)