Before completely reinstalling I'd like to try to get some help here;

I've updated Ubuntu yesterday. After the next restart my system booted into the GRUB command line (as described in many other threads, e.g. https://unix.stackexchange.com/questions/474510/unwanted-grub-command-prompt-while-booting).

After following pretty much every guide I was able to execute the boot command after

linux /boot/<path-to-image>
initrd /<path-to-image>

But this doesn't solve my problem and instead brings up the BusyBox (like Boot drops to a (initramfs) prompts/busybox).

From there I'm not able to do anything; fdisk does nothing, exit or reboot causes kernel panic.

I've also tried to boot from USB stick and ran fdisk - but that didn't help at all.

Is there anything left I can do?

(I'm running Windows AND Ubuntu in the same system, on two different SSDs)

  • May be best to see details, use ppa version with your live installer (2nd option) or any working install, not older Boot-Repair ISO: Please copy & paste link to the Boot-info summary report ( do not post report), the auto fix sometimes can create more issues. help.ubuntu.com/community/Boot-Repair & sourceforge.net/p/boot-repair/home/Home Best not to run fixes until someone reviews report. You may need advanced options and total reinstall of grub & kernel to re-generate configuration. – oldfred Dec 6 '19 at 18:05

I didn't know about the boot-repair utility (http://ubuntuhandbook.org/index.php/2016/11/install-boot-repair-ppa-fix-boot-problems/).

Booted via USB, installed boot-repair which was capable of fixing my boot. Thanks, boot-repair utility!

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