I would suggest to format the whole disk, go into the bios and disable "secure boot" or something among those lines, That prevents any OS that is not on NTFS (windows file system) from being Installed and/or booted.īy disabling that option you are allowing the installation of GRUB which is the boot manager for Linux. Yes, I lost the Windows installation - but I still have the original backup - just in case. After that I updated the older Ubuntu installation to the current version and that's what I am running right now.To my very big surprise - when I rebooted the machine after the clone process finished - Grub showed up and Ubuntu booted without any issue. By accident, I selected a backup of a another machine running Ubuntu. I was about to restore the first full disk backup of the machine. First of all, thank you to everyone here for taking your time and sharing ideas and experience how to solve the issue.Here is how the folder structure looks currently (), screenshot taken from Boot Repair USB live stick being loaded: Here is how the Boot Manager (pressing F12) looks like: Here is how Advanced tab > System Configuration looks like: Here is how the BIOS, Boot tab (pressing F2) looks like:
I copied the UEFI entry of "Windows Boot Manager" to create a new entry for Ubuntu. Here is a picture of the Terminal, also with verbose output: The ubuntu entry is probably the USB stick? It looks like my Ubuntu partition is not visible. Therefore, I booted from the Ubuntu live USB stick. I tried Boot-Repair to fix the boot order. I tried to fix the dual boot from Windows via BCDEdit: bcdedit /set path \EFI\ubuntu\grub圆4.efi Here is the short version of what I tried to fix this: There is a bunch of post here and articles with regards to this topic. When I restarted after the installation of Ubuntu then Windows started automatically without grub/Ubuntu showing up.
The picture shows the disk layout (screenshot taken while booting from USB live stick):
I used an Ubuntu live USB stick to install Ubuntu onto the last part of the SSD. I am trying to install Ubuntu 20.04 as a dual boot onto a Toshiba dynabook Satellite Pro L50-G-182 which has Windows 10 preinstalled.
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