ubuntu-16.04 window manage stopped working.

[Grizzly]

04 November 2019  at 12:04, Liam Proven wrote:
Re: ubuntu-16.04 window manage stop (at least in part)

>On Mon, 4 Nov 2019 at 11:25, Josef Wolf <jw at raven.inka.de> wrote:
>>
>> Hello,
>>
>> today, I rebooted this box after an uptime of about three weeks. After this
>> reboot, the window manager stopped working.

<snip>

>* If that does not help at all, try starting with the kernel parameter
>``nomodeset'' in case there are kernel graphics driver problems.
>Google for info, it's a little involved and there are better
>explanations than I can improvise in an email.

IIRC you can test nomodeset by starting from the grub menu adavanced option (it 
defaults to nomodeset?)