For some reason, every so often, the edges of my display will flicker. They seem to flicker green-ish. I’m on KDE Plasma, with a GTX 760 and MSI G321CUV monitor. More info available on request.
Maybe a regular ol
inxi -Farz
to start.
I usually find this can be attributed to a poor connection to the monitor. You might wish to check to atleast eliminate that as a cause.
Sure! It didn’t help, unfortunately.
@cscs Is there a specific section to send?
You probably have this desktop effect enabled… 
It causes the “hot corners” to light up — usually green, but this may depend on the theme or the color scheme — when moving the mouse close to them.
Blockquote
You probably have this desktop effect enabled
Just checked. I don’t.
Can you specify which programs are running, or under what circumstances you might see this flickering?
I found (in a random Reddit post) that disabling OverDriver apparently helped resolve flickering issues.
- How to setup Overdriver (PDF)
This provides generally good advice:
(Ignore the Windows-oriented presentation)
Cheers.
Probably completely unrelated but are you playing a full screen video on another monitor at the time? I’ve observed that there seems to be a 1-pixel overlap on adjacent monitors.