this post was submitted on 25 Sep 2023
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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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[–] tanka@lemmy.ml 1 points 1 year ago* (last edited 1 year ago) (1 children)

Edit: I want to add that this problem occurred from one day to the next. I'm using Jellyfin as playback, but this effect even occurs when moving windows over the screen

[–] Faceman2K23@discuss.tchncs.de 2 points 1 year ago (1 children)

is refresh rate auto switching enabled?

This is likely a Jellyfin issue as auto switching may not work on multimonitor systems and especially when moving the player between windows.

[–] tanka@lemmy.ml 1 points 1 year ago* (last edited 1 year ago) (1 children)

refresh rate auto switching enabled

not that I am aware of. How could I find this out?

[–] Faceman2K23@discuss.tchncs.de 1 points 1 year ago

I'm not familiar with Jellyfins current UI as I havent used it since the very first beta releases, but it will be in the settings somewhere.