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I updated my Kubuntu from 21.04 to 22.04 and then updated it. Here is a screenshot with the list of updates:

enter image description here

It installs everything and then demands to restart. When I'm trying to reboot the system it just stuck on motherboard logo. I had to restore the system using timeshift

What should I do to update, or should I skip these updates altogether somehow?

----- Update 04.03.2023 ----- Today I tried to start system after shut down and it stuck on the same motherboard logo. I didn't even install any updates before this. However

However, as user535733 suggested, I booted from USB drive and run boot-repair. The only thing that did is allowed me to select OS version before going to the same motherboard logo. Had to restore system from Timeshift backup again

Boot-Repair generated this link

karel
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Alexander P
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    This answer will provide you the steps required to upgrade from an unsupported EOL release to something more recent – matigo Mar 02 '23 at 02:32
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    @matigo Ok, I'll try that. Though 22.04 is latest LTS version, so it is strange it is considered EOL release – Alexander P Mar 02 '23 at 02:44
  • 22.04 is fine. 21.04 is the EOL release – matigo Mar 02 '23 at 02:45
  • @matigo I updated to 22.04 successfully, but later I updated modules from software update center (Discover on kubuntu), the list is on the screenshot. And after that it asked me to reboot and just stuck on motherboard logo screen – Alexander P Mar 02 '23 at 03:00
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    @guiverc I did not upgrade my system using sudo do-release-upgrade command, I just installed a new version 22.04 using usb boot drive – Alexander P Mar 02 '23 at 03:23
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    "When I'm trying to reboot the system it just stuck on motherboard logo" suggests a problem with GRUB. Read your upgrade output carefully for any errors. After the upgrade, try boot-repair. – user535733 Mar 02 '23 at 03:38

1 Answers1

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It seems that the issue was solved by executing the following steps:

  • Updated grub: sudo update-grub
  • Installed all the updates excluding UEFI dbx
  • Installed UEFI dbx with sudo fwupdmgr update
  • Ubuntu started normally after reboot.
karel
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