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The external screen has stopped working. #9531

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pawelsu8 opened this issue Oct 22, 2024 · 0 comments
Open

The external screen has stopped working. #9531

pawelsu8 opened this issue Oct 22, 2024 · 0 comments
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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.

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pawelsu8 commented Oct 22, 2024 •
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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.

Translated with DeepL.com (free version)
@pawelsu8 pawelsu8 added 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. labels Oct 22, 2024
@andrewdavidwong andrewdavidwong added C: desktop-linux hardware support needs diagnosis Requires technical diagnosis from developer. Replace with "diagnosed" or remove if otherwise closed. affects-4.2 This issue affects Qubes OS 4.2. labels Oct 23, 2024
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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.
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@andrewdavidwong @pawelsu8