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Asked: 2021-03-31 09:56:46 +0800 CST

Screen flickering XPS 13 9310 second HDMI monitor

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On my Dell XPS 13 9310, when I try to use a secondary HDMI monitor, through an usb-c HDMI adapter, I get these screen glithces, mostly when I click on the other screen, or when I try to scroll the browser on the main screen.

I tried with 2 different USB-C HDMI adapters just to make sure it wasn't a problem with the one I was using.

Ubuntu 20.04

Kernel: 5.10.0-1013-oem

Video: https://imgur.com/a/niwvcV0

hdmi

1 Answers

  1. I seem to be having the same issue. I think I can solve it (temporarily) by going to displays and in the settings disabling a screen, and then enabling both again. (As far as I can tell, hitting super+P doesn't work). Xorg vs Wayland doesn't matter either.

    update: It seems like it's enough to go to displays, select "Single display", wait a sec for it to disable built-in display, then hit "Revert settings" (or hit escape)

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