Failed upgrade from Ubuntu 19.10 to 20.04 "Please update the microcode"
You still can try to fix this interrupted upgrade from a live USB/CD.
To fix from a live USB/CD, boot into the live system then connect to Internet from the live system and open a terminal then follow these steps:
Run:
sudo fdisk -l
And identify your root partition. It could be something like /dev/sda1
then mount it to /mnt
like so:
sudo mount /dev/sda1 /mnt/
Then run:
sudo mount --bind /proc/ /mnt/proc/
Then run:
sudo mount --bind /sys/ /mnt/sys/
Then run:
sudo mount --bind /dev/ /mnt/dev/
Then run:
sudo cp /etc/resolv.conf /mnt/etc/resolv.conf
Then run:
sudo chroot /mnt/
Now you are in your original system on the hard disk. Run first:
sudo dpkg --configure -a
Then, update APT like so:
sudo apt update
Then, install upgrades like so:
sudo apt upgrade
When finished run:
exit
Then run:
sudo umount /mnt/dev/
Then run:
sudo umount /mnt/sys/
Then run:
sudo umount /mnt/proc/
Then run:
sudo umount /mnt/
Then reboot to your original system, it should be fixed
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Ak26
Updated on September 18, 2022Comments
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Ak26 over 1 year
While installing the Ubuntu 20.04 updates during upgrade from 19.10 to 20.04, my screen suddenly went completely white and displayed a message saying
Please logout and try again.
But I could not locate my cursor and so I switched off my laptop. After restarting it again, it was showing an error message saying
Please update the microcode
Why did this happen? How can I solve this problem?
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Admin about 4 yearsThe easiest way is to do a fresh install.
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Admin about 4 yearsbut that might result in loss of data, right?
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Admin about 4 yearsYes, if you do all wrong. You should have had a backup already before starting the upgrade.
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Admin about 4 yearsDoes this answer your question? Intel Microcode Necessary?
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Nikola over 3 yearsI'd just like to say that this worked for me. I couldn't unmount /mnt/sys so had to google that part a bit, i ended up using unmount -l /mnt/sys
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Bobdabiulder over 3 yearsThis worked for me! I use a DigitalOcean droplet and tried upgrading from the previous LTS to 20.04 and I ended up with a kernal panic. I rebooted into the recovery mode, launched the terminal and ran your commands. Unmounting /mnt/sys/ and /mnt/ was unnecessary for me, thankfully. The DO console is very buggy and is largely to blame (I couldn't see what the upgrade was asking of me in the console because everything is cut off and scrolling isn't possible).