Grub 2

HowTO setup GURB2 on Ubuntu 24.04

INTRO - OBJ

Edit GRUB-2 to include Win11
Alter Menu and apearance of grub bootloader

BOOKs

  The GNU GRUB Manual: The GRand Unified Bootloader, Version 2.02

DOCs

 

VIDs

 

CONFIGs

MAIN /etc/default/grub

DO NOT EDIT /boot/grub/grub.cfg

CUSTOM /etc/grub.d/40_custom

-- Prerequisites

Find UUID

Find your EFI system partition UUID by running sudo blkid or lsblk -f

Add/Edit config file

Open the custom configuration file: sudo nano /etc/grub.d/40_custom

update GRUB

sudo update-grub

menuentry 'Win11 PRO' {
    search --fs-uuid --no-floppy --set=root YOUR_UUID_HERE
    chainloader (${root})/EFI/Microsoft/Boot/bootmgfw.efi
}

menuentry "Win11" --class windows --class os {
	search --fs-uuid --no-floppy --set=root D22A-04FC
	chainloader (${root})/EFI/Microsoft/Boot/bootmgfw.efi
}

menuentry "Windows 11" {
    insmod part_gpt
    insmod fat
	search --fs-uuid --no-floppy --set=root D22A-04FC
    chainloader /EFI/Microsoft/Boot/bootmgfw.efi
}

menuentry 'Win11' --class windows --class os $menuentry_id_option 'osprober-efi-44AE-C2CE' {
	insmod part_gpt
	insmod fat
	search --fs-uuid --no-floppy --set=root D22A-04FC
	chainloader /EFI/Microsoft/Boot/bootmgfw.efi
}

menuentry 'Win11 PRO' --class windows --class os {
	insmod part_gpt
	insmod fat
	search --fs-uuid --no-floppy --set=root D22A-04FC
	chainloader /EFI/Microsoft/Boot/bootmgfw.efi
}

********** KNOWN WORKING (Laptop Auto config)**********

menuentry 'Windows Boot Manager (on /dev/nvme0n1p1)' --class windows --class os $menuentry_id_option 'osprober-efi-A210-C1F3' {
        insmod part_gpt
        insmod fat
        search --no-floppy --fs-uuid --set=root A210-C1F3
        chainloader /EFI/Microsoft/Boot/bootmgfw.efi
}