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Atm, my Ubuntu 18.10 distribution is burning. I can not install any packages as I wrecked the apt part, and many programs are either broken or not installed correctly. Thus, I figured the easiest solution would do a clean install of Ubuntu 20.10. Here is a screenshot with more details

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As I do not have an LTS version directly upgrading did not work, I tried a few hacks to make it work, and it was probably this that broke my apt. After some work, I was able to create a bootable USB stick with the 20.10 LTS ISO of Ubuntu. I did it as follows

sudo umount /dev/sda1

sudo mkfs.vfat /dev/sda1

sudo dd bs=4M if=PATH/ubuntu-20.04-desktop-amd64.iso of=/dev/sda1 status=progress oflag=sync

However, when trying to boot it, I only receive the following message:

The selected boot device failed. Press <Enter> to continue.

I must reiterate I can see the USB fine in my filesystem. I also have no problems writing to it. Yet, booting from it fails. What I've tried so far:

  • Disable fast boot in Windows
  • Disable Secure Boot in the BIOS settings
  • Searched for an option to enable Legacy booting, and enabled it
  • Used two different USB drives
  • Formated the USB to FAT32
  • Tried using both USB ports (one on each side) on my computer.
  • Also tried "Kubuntu" (also 20.10).
  • On my work computer, an HP Probook both USB's boot fine, whether it was Kubuntu Or Ubuntu.

None of these helped me:

Do you have any idea why the USB won't boot or what can be done about it? The USB seems fine as I can boot from it from another machine, however, I have no idea why I suddenly can not boot from my XPS 15.

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