You may have something off in your settings for cinnamon, This is for arch,
but it can give you a great place to start from.
https://wiki.archlinux.org/index.php/cinnamon

But my first thought would be to rename the config files for your window
manager and reboot to see if it is part of those settings.

On Thu, Mar 4, 2021 at 11:09 AM joe--- via PLUG-discuss <
plug-discuss@lists.phxlinux.org> wrote:

> I have been running Linux Mint 17 on several computers
> 24/7 for a very long time with very reliable performance.
>
> This morning, when I turned on the monitor, the panel
> had vanished and I no way to do anything.
>
> I finally found a way to get to the command line and
> all of my data appears to be there, but none of my
> utilities in my home/bin file work.
>
> Recently, I read that Linux Mint was threatening to
> coerce users to upgrade to a newer version. This would
> be unconscionable and reprehensible! Is this what they
> have done.
>
> I hope someone can help me figure out how to get my
> system working again.
>
> Please help.
>
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-- 
A mouse trap, placed on top of your alarm clock, will prevent you from
rolling over and going back to sleep after you hit the snooze button.

Stephen