Second Display stopped working.

Colin Law clanlaw at gmail.com
Fri Nov 9 08:36:29 UTC 2018


On Thu, 8 Nov 2018 at 22:12, Paul Groves <paul.groves.787 at gmail.com> wrote:
>
> Hi all.
>
> So I have been using my PC all day on and off. I just woke my PC from
> sleep half an hour ago and the second display wouldn't come on. It does
> not show up in Settings > display Settings any more.

What happens if you unplug the second screen, wait ten seconds then
plug it back in again.  If it still doesn't work then unplug it, run
in a terminal
tail -f /var/log/syslog
and post what you see there when you plug it back in.  If you hit
enter a few times after starting the tail then you will get some blank
lines on the screen which makes it easier to see where you started.

Also tell us which version of Ubuntu you are using.

Colin



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