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    Screen strobes when going from daylight to sunset mode

    Windows v4
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    • G
      gwp176
      last edited by

      No Bluetooth or Lenovo devices. How else can I search for conflicting apps?

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      • herfH
        herf
        last edited by

        Please post f.lux options > driver info... that will give us a place to start!

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        • G
          gwp176
          last edited by

          This post is deleted!
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          • G
            gwp176
            last edited by

            This post is deleted!
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            • herfH
              herf
              last edited by

              It's also text so you can just paste.

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              • G
                gwp176
                last edited by

                Thanks...

                NVIDIA 26.21.14.4223: NVIDIA GeForce GTX 960 (20200131)

                Acer T232HL, 509 x 286mm, built 2017
                Chromaticities:
                R=0.644531 0.330078
                G=0.315430 0.620117
                B=0.154297 0.064453
                W=0.313477 0.329102
                sRGB gamut: 96%, AdobeRGB gamut: 67%

                Winlimit=0, 1
                Monitor 1 on NVIDIA GeForce GTX 960: VCGT=0 gamma=1

                Windows Build: 17134.885

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                • herfH
                  herf
                  last edited by

                  Okay, in f.lux options can you try turning on "Always use windows internal color table" to see if this helps?

                  17134 is EOL'd by Microsoft, so I may have missed a test case there.

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                  • G
                    gwp176
                    last edited by

                    I can't find the option "Always use windows internal color table".

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                    • G
                      gwp176
                      last edited by

                      Just as an update, sunset kicked in, and f.lux worked as it should. There was no more strobing!

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                      • G
                        gwp176
                        last edited by gwp176

                        Well, just over two hours later the strobing started again, out of the blue. Went and kept changing the color schemes a few times (8?) and settled on Recommended Colors and the strobing stopped, although the selection says Custom Colors.

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                        • herfH
                          herf
                          last edited by

                          Can you see if Windows Night Light is diabled also?

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                          • G
                            gwp176
                            last edited by

                            Thanks for the reply. It was enabled... It's now turned off so will see in 10 hours or so.

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                            • G
                              gwp176
                              last edited by

                              Well, after 2 nights all is good. It appears that having Windows Night Light enabled caused the problem. Since disabling this option, all f.lux works as it should. Thanks for the help.

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