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After upgrading to 16.04 by using the automatic upgrade, the system hangs at startup by prompting " [OK] Started Update UTMP about System Runlevel Changes." and never comes again.

I have no idea what to do ? Any help is welcome.

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open terminal and put following code.

sudo apt-get update

and make sure your update system have no problem.

then enter:

 sudo apt-get install update-manager-core
 sudo do-release-upgrade
  • Thanks Asil, but how to open a terminal window when the startup doesn't finished and hangs ? Any key combinaison or somewhat way to get it ? – Michel Wicky Aug 2 '16 at 16:10
  • got the answer ctrl-alt-f2 – Michel Wicky Aug 2 '16 at 19:35
  • I executed the update. At the end I got an error status ; Errors were encountered while processing : kerneloops-daemon Searching a way to solve this before continuing ... Any help is welcome also ! – Michel Wicky Aug 2 '16 at 20:01
  • @MichelWicky great job. You can search to solve the update error. just copy your code or catch the important keywords then search using it on askubuntu.com or google. – ASIL Aug 2 '16 at 22:52
  • Everything went well after reinstalling kerneloops-daemon that was not installed. Thks. – Michel Wicky Aug 3 '16 at 3:27

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