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Lower part of the screen is updated one frame earlier. Signal source: HDMI (pixelfed.social)

submitted 1 year ago* (last edited 1 year ago) by tanka@lemmy.ml to c/askelectronics@discuss.tchncs.de

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The lower part of my screen is updated one frame earlier than the upper part. I was able to isolate the error to the HDMI output of my laptop. The screen or cable is not broken, as I don't get these errors with other connected devices. I am assuming it is some hardware defect. Does anyone know what it could be and how I could fix it? Here are a few pictures that show the problem: pixelfed

Solved: Ok, it seems to have been a software problem. That had to do with the sync. I have installed ubuntu on the laptop for now and everything works again. Some update seems to have shot something. I am now using a LTS version.

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[–] mvirts@lemmy.world 1 points 1 year ago

I used to see this on my Linux desktop with an old Acer monitor and Intel integrated graphics. Haven't noticed it in a long time with newer linux