I turned on my PC and Ubuntu 16.04 loaded into the GRUB menu for some reason. I selected the normal Ubuntu launch option at the top and was loaded into the terminal.

Here, when I type in my password it says Password Incorrect, and unless I have simply forgotten what it is and have been typing it incorrectly dozens of times in a row (I was using it in the terminal in the GUI just the previous day), I am almost certain I am typing it correctly, or at least what it used to be. This is preventing me from using any commands.

I just need to load into the GUI somehow.

  • Boot into recovery mode go to root command prompt and type apt install --reinstall ubuntu-desktop and reboot. This worked for me. Ypu can also change your password by typing passwd <username> – Vijay Dec 9 '18 at 13:24
  • Going into the root command promt, trying to use the command apt install --reinstall ubuntu-desktop gives the error message "Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?". Trying to change the password gives the error message "authentication token manipulation error". I looked a bit into solving both of these, but am unsure if I can in either just the terminal or the root command prompt. – lightoh flail Dec 9 '18 at 13:54
  • Manage to change my password in the root menu correctly. – lightoh flail Dec 9 '18 at 13:59
  • You could activate internet in one of the recovery menu. – Vijay Dec 9 '18 at 15:22
  • Which option does that? – lightoh flail Dec 9 '18 at 15:31

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