On Tue, 21 Jan 2020 08:41:51 -0800
Dick Steffens <d...@dicksteffens.com> dijo:
>This morning I noticed my machine running slowly. I didn't learn
>anything from top, and was thinking of restarting the box. Before I
>got that far I received a notice from Ubuntu that there was an update
>or some such. I ran that update. It wanted to restart the machine.
>When the machine came back up, not only was the resolution low, but
>only one monitor worked. (I have an nVidia card.)
The first question is which piece of your hardware is creating the
screen display. If you have an Intel CPU then it probably also has a
video component, so you may not be using the nVidia card. Therefore,
the first step is to do 'lshw -c video' which will give you the
hardware information.
Ideally, you could use both the Intel video and the nVidia card. The
Intel video component is not as fancy or (probably) as fast as the
nVidia card, but it is adequate for most needs, and it probably draws
less power, so for optimum coolness you want the nVidia card to kick in
only when it is needed.
The lshw command should also give you the exact model number of your
nVidia card. Once you have that, open Synaptic and search on nVidia to
see which drivers you have loaded. It is not unheard of for Ubuntu to
be using the wrong driver. I recently ran into a case where there were
\textbf{three} different nVidia drivers installed, and none were the
right one for the hardware. Synaptic should give you which nVidia cards
each of the numerous packages supports. And finally, if all that fails,
nvidia.com has Linux drivers that you can download as .deb or .rpm
packages.
Hopefully some of the above will get your video working right.
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