When problems start to occur, sometimes the "working" screen goes blank
and forces me to log back in, as if the screen was locked.
After disabling wayland in /etc/gdm3/custom.conf and rebooting, xrandr shows
the "missing" screen, and I can manually force the system to use both screens
using
xran
Public bug reported:
I am running Ubuntu 22.04.2 LTS on a Dell 5410 laptop. Typically it is
connected to a Dell WD19 docking station with an attached monitor.
I have been having issues with using two monitors at once since a recent
security update to several xorg packages.
Since the update of:
The thread at
https://bugs.launchpad.net/ubuntu/+source/hplip/+bug/1430561? is quite
active in 2019, due to possibly unrelated issue. In any case, I managed
to get firmware to load and scanning to work in Debian 10, and what I
did is listed at :
https://bugs.launchpad.net/ubuntu/+source/hplip/+bug/
*** This bug is a duplicate of bug 1422004 ***
https://bugs.launchpad.net/bugs/1422004
I had this sort of problem on Debian 10, and found several things which
together got scanning working for me on HP Color LaserJet Pro MFP
M277dw. I hope the proceedure below is of help to someone else.
1. F
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