Re: External monitor randomly not waking up

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On Thu, Aug 22, 2019 at 8:39 PM <wgelpi@xxxxxxxxxx> wrote:
I have an issue where my external monitor (ViewSonic) will not wake up.  Why I think it's related to Fedora is the following:

Fedora recognizes the monitor's existence when I go into settings.  However, the monitor will not turn on.  I have tried xrandr with no luck.  I have also tried Alt + F2 -> r with no luck.  I have a docking station, but have also tried plugging the monitor directly into the computer.  At first I thought it was related to plugging the monitor in before waking from sleep, but I just plugged it in while the machine was awake with the same experience.  I would say this happens once every few days with no real pattern.

Machine info:
Lenovo T470s
Fedora 30
Gnome: 3.32.0


Which kernel is showing the problem, 5.2.x ot 5.1.y or both?
In case you are running 5.2 version, can you try installing and/or booting with kernel  5.1.20-300.fc30.x86_64 and see if it works?
In case then 5.1 works it can be related with the bugzilla I have opened
https://bugzilla.redhat.com/show_bug.cgi?id=1744905
and you can add your info there.

Gianluca
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