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How to fix intense display tearing?
(sh.itjust.works)
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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.
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.
I would assume they have two monitors connected and when the tearing occurs on the problem monitor, their second monitor flickers.
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.
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.
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.