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No bootable device found after linux install
Hello,
So, I've had a pretty big issue today. I installed Debian as a dual boot with win10, and it worked! The only problem was that I didn't have access to either root or sudo. In order to fix that, I booted into Ubuntu because my Debian live image logs out after a few seconds and mounted the partitions that Linux was installed on. My part table is below:
/dev/sda1 - EFI
/dev/sda2 - Microsoft Reserved
/dev/sda3 - Microsoft Basic Data
/dev/sda4 - Windows Recovery
/dev/sda5 - Windows Recovery
/dev/sda6 - Linux /root
/dev/sda7 - Linux Swap
/dev/sda8 - Linux /home
I believe I mounted sda 1, 6, 8, and by mistake 5. I ejected the device (by accident without umount) and then tried to boot. My computer is a dell, and on boot I immediately got the device recovery menu. I booted into the F2 UEFI menu, and saw that my boot options list had gone from Debian, windows boot menu, and my hard disk, which was labelled as UEFI (some numbers here, sorry).
I've tried everything I can think of, including hours of non-stop googling. I removed and formatted the partitions Linux was installed on, and then reset the MBR from a windows live CD. I don't think it went through, because there is still no option in the F2 menu for device boot unless I plug a device in. I believe windows is still there, but there is no way for me to access it.
I can't access it through a Debian live image, because the one I installed from had an issue where as soon as I logged in, it would immediately log me out.
I don't want to do an recovery from the live disk, because I have hundreds of applications on my computer that would take me forever to reinstall.
I'd love some help with this issue, because I've been tearing my hair out and can't find anything online to try to solve it. I've had to do all my research from my phone, so I might have missed something.
Thanks,
garrukapex
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