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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/electronics@lemmy.ml

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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

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[–] masterofn001@lemmy.ca 1 points 1 year ago* (last edited 1 year ago) (1 children)

What OS are you using? What software is playing the media?

Looks like it could be a compositing/screen tearing issue.

If possible, disable compositing in full screen to see if it helps.

Could also be a framerate / frequency issue.

Have you checked your display setting to verify it is at the proper/system preferred resolution/frequency? IE 1920x1080 @ 60hz not 1600x900 @59.8hz or something.

[–] tanka@lemmy.ml 2 points 1 year ago

I use Linux and the VLC player for playback. But the problem shows up with everything that happens on the screen, even when I move windows etc.

Yes, I have tried all the settings on my screen. So I think it must be something with the hardware.