I am using:

  • Ubuntu 19.10 (but the same thing happens on 18-19) (on Xorg)

  • Gnome shell

  • The Nvidia proprietary display driver

When my computer goes to sleep and then turns back on screen content, regardless of the color, turns to noise.

i.e. Web browser

Before sleep

before sleep image

After sleep

after sleep image

I can't get the noise to get off my background until I reboot.

Why is this happening?

  • Did you ever find a solution for this? Both my desktop and login screen do this in 19.04. It’s quite bad and never goes away until reboot. – jocull Aug 23 '19 at 0:00
  • I am now on 19.10 and have the same issue on my desktop background (which is black) - no solution yet. – Startec Oct 20 '19 at 22:33

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