Install grub on usb3/14/2024 ![]() Make sure it's the right drive! (check the capacity and the partitions) : Replace X with the appropriate lower case letter(s) in the commands. Now, find the device file for your usb drive. Sudo apt install grub-pc-bin grub-efi-ia32-bin grub-efi-amd64-bin Install them using the package manager, for instance on Ubuntu : The x86_64-efi, i386-pc and i386-efi folders need to be present in order to install the corresponding bootloader on the usb drive. If it is empty or does not exist, make sure the package grub-common (or equivalent for your distribution) version 2 or higher is installed.ĭepending on the system, /usr/lib/grub/ will contain one or more of the following folders: x86_64-efi, x86_64-efi-signed, i386-pc, i386-efi. Warning: the usb drive will be formatted, save your data before proceeding!įirst of all, on you current installation, check if the folder /usr/lib/grub/ exists and is not empty. How to create a 3-in-1 bootable usb drive on Linux.Ī usb drive with only 1 partition to load grub2 on usb-bootable machines with Legacy BIOS, 64bit UEFI or 32bit UEFI.
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