Upgrade from 16.04.x to 18.04.3 broke system - was Upgrade paths from UbuntuMATE 16.04.x and 18.04.x to 19.10

[Little Girl]

Hey there,

Bret Busby wrote:
>Little Girl wrote:

>> This page is pretty old, but one of the people who used it posted
>> not all that long ago, so maybe it will be of some use:
>>
>> https://askubuntu.com/questions/628974/ubuntu-14-04-returns-to-login-screen-after-login
>
>I tried the
>
>"
>Press Ctrl + Alt + F1 and log in there and run:
>
>sudo chown -R $USER:$USER $HOME
>Then press Ctrl + Alt + F7 and try to log in.
>"
>
>and got continuously scrolling screens of "Operation not permitted",
>relating to system files, so aborted it with <CTRL><C> then rebooted,
>and now, it displays the GRUB menu, I select Ubuntu, then it briefly
>displays a console login prompt, then the screen goes black, then it
>goes into an endless loop of black screen _> flash -> black screen.
>
>And, I can not apply <CTRL><ALT><F1> to get to a console terminal.
>
>So now, the system appears to be completely broken and unusable in
>Linux.

I'm sorry to hear that. Can you make a different selection from the
GRUB menu? Below are a few links that may or may not help:

Is this of any use?

https://www.youtube.com/watch?v=OG4deLa_vK8

This may or may not be of some use:

https://askubuntu.com/questions/628974/ubuntu-14-04-returns-to-login-screen-after-login

This one is for Linux Mint, but may have some useful portions:

https://forums.linuxmint.com/viewtopic.php?t=261704

Here's another that may be of some use:

https://askubuntu.com/questions/937712/ubuntu-randomly-started-blinking-the-screen-on-boot

And another that's more recent that may be of some use:

https://askubuntu.com/questions/1031928/screen-flickering-on-boot-after-upgrade-to-18-04-and-slow-boot?noredirect=1

-- 
Little Girl

There is no spoon.