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:

>Rebooted.
>
>Broken.
>
>Upon rebooting, I get the GRUB menu, either wait for it to timeout
>and boot by default into Ubuntu, or hit <Return> with the default
>highlighting being for Ubuntu, and I get, first, the terminal level
>login displayed, then the screen goes black, then I get, in the
>middle of the screen, the UbuntuMATE logo, with the five dots below
>it, with them taking turns to change from white to green and back
>again, below the logo.
>
>Then, after a minute or two of that, the screen goes black, and
>stays black.

This may or may not help, but it worked for us once upon a time when
we had the dreaded black screen on boot:

https://askubuntu.com/questions/162075/my-computer-boots-to-a-black-screen-what-options-do-i-have-to-fix-it/162076#162076

-- 
Little Girl

There is no spoon.