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  • Windows with colorControl still makes me eye strain

simplex

1809 LTSC 17763.1098, next 2 CPU updates (kb4589208

Are you using an integrated Intel video card or a discrete one? in situations where eye-strain is affected kb4589208.
What version of CPU microcode is currently running on your system(and CPU model)? (kb4589208 is update microcode to 0xCA on Coffee Lake system, for example)

      glvn Are you using an integrated

      Intel Arc iGPU @ ultra CPU. Win10 support Ultra only with 20h2 and later (after 2 KB updates in 1809, I got 1 socket and 1.4ghz base freq instead of 2 sockets and 3ghz base freq at non-strain 17763.1098). Power draw also reduced from 19w to ~12w after those 2 KB's

        Finally, in theory, when we get supported CPU (and iGPU) by windows, it starts to dither. In my asus 7300hq + gtx1060 laptop (with w10 1809), dithering by ColorControl is always on, moreover, I changed 2x2 spatial to 1xspatial and finally it change but still dont affect eye-strain. I can disable dithering at all but wallpaper on desktop become full of squares. p.s. same actions at newest win10/11 starting from 2004 (20h1) not affect on final system dithering

          jordan do you know from where i can find an old version? I can’t find one

              simplex but in my PC i see in the color control that the dithering is off and still have eye strain.

              Did you meant that even it wrote is off it’s still on?

                  twomee it can still be enabled by the OS or GPU it's self or driver. You may also want to try an older driver version if 1809 alone doesn't help. I will say 1809 1098 has been good for people tho

                    twomee dithering is off

                    graphic card's dithering is OFF. but lets name that "windows dithering" is ON. Idk how to turn it off, thats why 1809 is my rescuer

                      simplex

                      build number very important: windows 10 1809 LTSC 17763.1098, next 2 CPU updates (kb4589208 and kb5035849) will give you eye-strain back

                      Sorry for asking again, but does installing just one update kb4589208 cause eye-strain problems?
                      kb4589208 a very simple update and actually only contains a microcode update for the CPU. It would be useful to clarify whether the processor microcode version is related to the eye-strain problem

                      Or does the eye-strain problem only occur when two updates (kb4589208 and kb5035849) are combined?

                          glvn Sorry for asking again

                          I dont know. I found ~5..7pcs of installed KB, after learning what they do, decided to remove this 2

                          Yesterday I tried to use win10 22h2 19045.4046, so today I "relax" with good devices and headache lol

                            FYI I suspect KB5034763 also brings back eye strain

                            twomee

                            I have an RTX A4000 (based on RTX 3070) and measured its output with a lossless capture card in Bios (no dithering by default) and with dithering disabled in Color Control (no dithering picked up either in Windows) but its still doing some type of dithering that cant be picked up by a capture card as the colors look very over exaggerated/noisier than all my other GPU's. I also tested this very thoroughly on builds 1809: 17763.1098, 17763.107, and 17763.55 and it was still unusable. So far i havent seen a single success story with any Ampere cards based on the GA104 https://www.techpowerup.com/gpu-specs/nvidia-ga104.g964

                                simplex Unusable as in causes too much strain to use, before testing specific 1809 builds i tested 2004/20H2/21H2 and several Linux distros, all of them with the A4000 displayed an unpleasant exaggerated/noisier image. When using the Turing based Quadro RTX 4000 which is basically just a RTX 2070 i can use this without problems on Linux and 1809 with no strain just like my old Quadro K4200.

                                    Jack

                                    I got you, looks like GA104 issue

                                    My rtx3080 and rtx3080ti are GA102 LHR based chip, no issues in w10 1809. Rtx 2070s is TU104 chip, also OK.

                                    Your Quadro RTX 4000 setup also unusable in win newer than 1809 (havent tested 1903), or you found something more to use?

                                      8 days later

                                      Well, I tried the windows version you mentioned here and from the installation screen I felt a relief in the eyes. But my problem is I need windows 11 for latest updates for games, some programs which requires 11 version and so on. I feel that the install of windows 10 is not a fully solution, we need to find a way to use windows 11, to disable windows dithering

                                        twomee

                                        exact build I wrote above?

                                        I am in same position: my laptop need modern OS, my software need GPU acceleration introduced in win10 2004+

                                            twomee

                                            type and execute winver in windows search panel to get build

                                            Personally I have been searching from sep23

                                                dev