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How to fix intense display tearing? (sh.itjust.works)
submitted 11 months ago by to c/linux@lemmy.ml
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I have been getting monitor tearing time to time, even with windows. It wasn't occurring often, and I could fix it by turning the monitor off and on, so I have been sleeping on it.

A few days ago, it began tearing like crazy, and it happens after turning the monitor on for a few minutes. It came to the point where the computer is nearly unusable, so I want to solve the issue once and for all.

How do I go with resolving a monitor tearing issue? Or, is it the faulty monitor? The issue also happens on Windows, after all..

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[–] 20 points 11 months ago* (last edited 11 months ago) (6 children)

You might be on the right track thinking it's the monitor, but could also be related to the GPU (assuming it's the same PC/card that tears across different OS's).

If different machines all tear the same way, then I'd say definitely the monitor and the manufacturer may or may not be able to give some insight.

Otherwise, I think we might need some more details about the machine's hardware to be able to give any meaningful advice other than double-checking driver versions and firmware updates, etc.

Things that might be helpful:

  • GPU make/model
  • Monitor model (the picture at least shows it's an AOC)
  • Connection type (HDMI, DisplayPort, USB-C, etc.)
  • Have you tried a different connection type?
  • Have you tried a different cable of the same type?
  • Does it happen on any other monitors?
  • Are there other input ports you can try on the monitor? Do they also tear?
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  • [–] [S] 1 point 11 months ago (5 children)

    It only happens in one monitor, another monitor is completely fine - although another monitor flicker when the monitor tears. I will check the monitor with other hardware (e.g. laptops). The connection type is HDMI, sadly the monitor does not seem to have DisplayPort connection.

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  • [–] 1 point 11 months ago (4 children)

    although another monitor flicker when the monitor tears.

    I assume that you mean "the 2nd monitor flickers under the same conditions that the 1st monitor tears", or are you saying that you have tried 3 separate monitors, all with different behavior?

    Take your time and walk through all the steps that folks have laid out for you in these comments, and try to answer each question we're asking. There just isn't enough detail for us to give solid answers or further suggestions.

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  • [–] 2 points 11 months ago (1 child)

    I would assume they have two monitors connected and when the tearing occurs on the problem monitor, their second monitor flickers.

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  • [–] 1 point 11 months ago* (last edited 11 months ago)

    This is the problem with assuming, there's nothing in their notes about having a second monitor connected at the same time as the one that is tearing. This possibility didn't even occur to me, but it's plausible.

    edit: literally a minute after I reply, OP confirms you are correct in your assumption.

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  • [–] [S] 1 point 11 months ago (1 child)

    Yeah, the 2nd monitor briefly turns itself off and on in the same moment the 1st monitor tears. I will try to follow the steps.

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  • [–] 2 points 11 months ago

    It wasn't at all clear that you had a 2nd monitor connected, that is also useful information. Still, not enough data to really know.

    Are both monitors the same make and model? If not, then it seems likely there's an issue with your GPU or HDMI cable, but the symptoms are different because the monitors are manufactured by different companies. If the monitors are identical to each other, then we're back to most likely being an issue with the 1st monitor.

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