The external screen has stopped working. #9531
Labels
affects-4.2
This issue affects Qubes OS 4.2.
C: desktop-linux
hardware support
needs diagnosis
Requires technical diagnosis from developer. Replace with "diagnosed" or remove if otherwise closed.
P: default
Priority: default. Default priority for new issues, to be replaced given sufficient information.
T: bug
Type: bug report. A problem or defect resulting in unintended behavior in something that exists.
How to report a helpful problem
Qubes OS release
4.2
Brief summary
I connect the monitor via hdml - nothing is displayed. The screen worked properly for 4h. I executed the command to increase xrandr memory, to no avail. Shutting down the laptop after the last kernel update is impossible. The laptop is a Lenovo thinkpad P51. Graphics: nVidia only.
When I enable the graphics mode "intel & nVidia" in the bios, the external screen displays only the wallpaper and cursor, even if the screens are in "mirror" mode and running vm machines and visible on the laptop display.
The screen has a fullHD resolution.
The problem does not occur in older kernels (two revisions back)
Expected behavior
The external monitor should ALWAYS work.
Actual behavior
We have qubes 4.2, which is sometimes useless - the monitor has stopped working.
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