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  1. Press the Super (Windows) key and type Disks in the search.
    Open “Disks” (aka GNOME Disks).

  2. On the left panel, select your USB drive. ⚠️

Note

Double-check it’s not your system drive!

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  1. Click the three dots.

  2. Choose “Format Disk…”:

    image-20250513-090237.png

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  1. Locate the ISO file (shoud be in the downloads folder)

  2. mount the iso by right click and choose "Open With Disk Image Mounter"

    image-20250513-092206.png
  3. click the mounted ISO

  4. copy the efi folder (right click and then copy)

  5. navigate to your mounted USB drive (mine is the EFI-USB)

  6. Paste the efi folder in the root of the USB

    image-20250513-092519.png

Tip

Your USB drive is now ready

You can safely eject it (important) from Ubuntu and plug it into any computer that supports UEFI.
After booting from the USB, the system will launch directly into the UEFI Shell environment.

  • Download the UEFI-Shell github ISO file UEFI-Shell…RELEASE.iso

  • Format a USB drive to FAT32 

  • Double click on the downloaded EFI ISO file

  • Copy the EFI directory from the mounted ISO to the usb drive

  • Device should now boot to an EFI shell

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