I'm using a Dell 5520 laptop with dual graphics and an external monitor, running Tumbleweed with Wayland and Gnome desktop.

The (months ago) update to Gnome 3.28 caused problems with my external monitor. If plugged in, the laptop screen would be blank and the external screen would be distorted (several skinny pages tiled across the screen and missing pixel rows, like combs). I found work-arounds on the internet and a minor update to Gnome 3.28.1 resolved the problem (though, I had to logon twice).

Yesterday I updated the system
Code:
zypper dup
and the problem returned, but I can't seem to find a workaround.
  • I can use the computer if I unplug the external monitor
  • I can use the computer if I use a different desktop, like IceWM
  • I can use the computer if I uninstall Bumblebee
  • ...I haven't tried uninstalling Wayland


Any ideas? I have found nothing about other people having problems after again the update to Gnome 3.28.3, and I'd like to get back to my happy setup.