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    Monitor comes back from standby without f.lux colors [fixed in new beta]

    Windows v4
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    • herfH
      herf
      last edited by

      GTX 1050Ti does not show the bug either (but at least I can run some machine learning on the GPU now). So I need help with steps to reproduce this bug.

      My configuration:

      1. Running f.lux 4.34 (with fix for monitor sleep)
      2. NVIDIA Driver 384.76
      3. GTX 1050Ti

      What I'm doing to test this:

      Test 1

      Under Power & sleep, set "when plugged in, turn off after [1 minute]
      Set f.lux to CCT like 3000K
      Wait for monitor to sleep
      Wake up a few seconds later
      => Colors are preserved

      Test 2

      Set f.lux to CCT (3000K)
      Start > Sleep
      Wait for monitor to sleep
      Wake up a few seconds later
      => Colors are preserved

      What case are you seeing that I'm missing?

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      • D
        disqQ
        last edited by disqQ

        Yea, those are the steps i'm doing with the same software/drivers.

        On test 1 If I stay in the same window, the color stays as daylight. It is only back to normal (as set by the schedule) after I change to another window. Changing between tabs in a browser does not trigger f.lux to fix the color. The color is fixed at once, not slowly.

        On test 2 when i wake it up the colors are preserved on the login screen but as soon as i click sign-in it blinks to daylight colors and back to the previous one.

        K 2 Replies Last reply Reply Quote 1
        • E
          Edkiefer
          last edited by Edkiefer

          If I do same thing on my end, I can open flux so I see flux window and slider at 3K value.
          Let it sleep for 1 min, move mouse so it wakes.
          Slider is at 3K and says 3000 value but screen is daylight and then if I click taskbar or flux icon it then goes to 3000

          That is with nothing running, but if i do have browser open, same thing.

          Edit I can't do sleep/hibernation from start as I have them disabled with powercfg.exe, so I can't run test 2, all my comments are with monitor/display sleeping.

          Edit2: are you using a color profile for display? , or you have all defaults.
          Win10 >all settings>display>display adapter properties> click color management and I use a ICC profile (dell2007FP) for my Dell monitor.
          In that window I have enabled checkmark "use my settings for this device"

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          • herfH
            herf
            last edited by

            Thanks,
            I have it failing now - turns out I had to turn off the login screen on wake, or it would hide the problem.

            1 Reply Last reply Reply Quote 0
            • D
              disqQ
              last edited by

              @Edkiefer I have a custom .icc profile for my Dell as well but i already tried with the default one and the problem persists.

              @herf So you finally reproduced the issue on your end?

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              • E
                Edkiefer
                last edited by

                Good, At first I thought it maybe one of settings, but tried all , on/off with same results.

                I login with admin, so i never see that screen (except for sec on boot)

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                • herfH
                  herf
                  last edited by

                  Apparently finding out that a monitor has slept is one of the unsolved problems in Windows. I made a workaround for this case here:

                  https://justgetflux.com/flux-setup4-35.exe

                  See if it works?

                  1 Reply Last reply Reply Quote 1
                  • E
                    Edkiefer
                    last edited by

                    Need more testing, but after reboot it seems so far to work (2 times so far pass).

                    1 Reply Last reply Reply Quote 0
                    • D
                      disqQ
                      last edited by disqQ

                      Yep, it's fixed! In both Tests, all good now.

                      Thanks

                      1 Reply Last reply Reply Quote 0
                      • K
                        korg250 @disqQ
                        last edited by korg250

                        This post is deleted!
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                        • K
                          korg250 @disqQ
                          last edited by

                          @herf

                          I updated to 4.35 and the issue was fixed only if my monitor turns off as a result of power option being triggered (ex: "turn off the display" after 1 minute idle).

                          If the display turns off when I close and open my laptop lid, the issue remains, exactly like @disqQ 's description on test 1:

                          On test 1 If I stay in the same window, the color stays as daylight. It is only back to normal (as set by the schedule) after I change to another window. Changing between tabs in a browser does not trigger f.lux to fix the color. The color is fixed at once, not slowly.

                          Thanks.

                          I am using Win10 Pro with Intel HD Graphics 4400.

                          1 Reply Last reply Reply Quote 0
                          • C
                            CrazyDef
                            last edited by

                            This has started happening to me since a recent Windows 10 update (I think).

                            When my monitor switches back on after me being idle, f.lux is not working. I have to alt+page up/down to get it to activate again.

                            I'm using f.lux 4.120.

                            1 Reply Last reply Reply Quote 0
                            • herfH
                              herf
                              last edited by

                              Can you post f.lux options > driver info?

                              1 Reply Last reply Reply Quote 0
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