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Big Sur OC 6.3 HD4400 - monitor refresh rate

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Being on 10.15.6 + Clover my monitor (Samsung Curved 27 "CF591) with the HD 4400 card was able to refresh the image with the speed of 72 Hz. The same frequency was obtained under Winows. Currently under Big Sur with OC 6.3 in the settings is available only 60 Hz refresh option. Can it be changed somehow?

11.0.1 - 60hz.png

10.15.6 - 72hz.png

OpenCore - framebuffer.png


I also installed SwitchResX but after creating a new profile, I cannot activate it. 




Edited by 008

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