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Stutters and Tearing issue in my XL2546K

Posted: 27 Dec 2022, 05:58
by mw4r
So i just purchased a new BenQ XL2546K and after testing it on the testufo website i found that under stutters and tearing test i dont get get complete straight lines which should be the case on ideal monitors. i have attached a video about this, please help.

Re: Stutters and Tearing issue in my XL2546K

Posted: 27 Dec 2022, 14:21
by Discorz
mw4r wrote:
27 Dec 2022, 05:58
So i just purchased a new BenQ XL2546K and after testing it on the testufo website i found that under stutters and tearing test i dont get get complete straight lines which should be the case on ideal monitors. i have attached a video about this, please help.
You don't want to use testufo for these type of tests. "Stutters and tearing" is more for a preview/simulation rather than testing. I assume u used one of the non ideal demos instead of "Smooth (VSYNC ON)"?

For proper testing use any game or testing oriented game like Smooth Frog.

Re: Stutters and Tearing issue in my XL2546K

Posted: 29 Dec 2022, 23:58
by Chief Blur Buster
mw4r wrote:
27 Dec 2022, 05:58
So i just purchased a new BenQ XL2546K and after testing it on the testufo website i found that under stutters and tearing test i dont get get complete straight lines which should be the case on ideal monitors. i have attached a video about this, please help.
That specific TestUFO, while used as a demonstration of stutters/tearing, is showing abnormality: The tearing demo of TestUFO randomizes the location of tearlines throughout the whole screen.

So, try www.testufo.com/photo full screen. If you see tearing, then you've got VSYNC OFF forced for fullscreen in NVIDIA Control Panel. TestUFO is a VSYNC ON system, but browser fullscreen mode sometimes gets (partially) overridden by the sync technology configured in NVIDIA Control Panel.