Having Trouble After Reformat

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  • #22010

    Jason Stewart
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    Hello,

    I have recently reformatted my PC and before I was very happy with the calibration I had though the use of DisplayCal and an i1Display Pro.  Somehow, I lost my i1Display Pro and ended up having to buy another one and now I am really struggling to get everything looking right.

    The issues I am having:

    • The gamma curve seems off, my blacks are black but midtones seem far too light and the transition between dark grey and black is very abrupt
    • severe banding in the lower brightness transition area

    I didn’t have these issues with my previous calibration.  I am wondering if I am missing something or maybe I got a flawed calibrator this time around.  I have attached both the old and new calibration archive for comparison.  Sorry, it is outside my knowledge level.  Obviously the monitor settings have been adjusted since I started fresh and I didn’t write down the previous settings.  The old calibration still is much smoother but I would have to arbitrarily set the white point and brightness as it is a bit darker than the new calibration.

    Thanks in advance!

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    #22038

    Florian Höch
    Administrator
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    Your output levels in the graphics driver seem to be configured wrong. Set them to 16-235 in the driver. If your driver does not have that option, you can also use DisplayCAL to override output levels via advanced options and re-calibrating (not recommended, but it seems that is how your old profile was created).

    #22041

    Jason Stewart
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    Interesting, I wonder why it is different.

    Would I re-calibrate afterwards?  I have switched back and forth after finding similar advice on the forums but I didn’t notice a difference one way other the other although I don’t think I recalibrated afterwards.

    #22050

    Florian Höch
    Administrator
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    Would I re-calibrate afterwards?

    Yes, this is required.

    #22051

    Jason Stewart
    Participant
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    So I am trying to re-calibrate but it is giving me an error about the measured luminance difference between RGB level 0 and 16 is below 0.02 cd/m^2.

    I don’t remember having this error before.  I will try anyways but I wonder if something else is off.

    #22055

    Florian Höch
    Administrator
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    So I am trying to re-calibrate but it is giving me an error about the measured luminance difference between RGB level 0 and 16 is below 0.02 cd/m^2.

    See above. Your graphics driver is misconfigured.

    #22057

    Jason Stewart
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    So I am trying to re-calibrate but it is giving me an error about the measured luminance difference between RGB level 0 and 16 is below 0.02 cd/m^2.

    See above. Your graphics driver is misconfigured.

    You told me to set them that way…

    Your output levels in the graphics driver seem to be configured wrong. Set them to 16-235 in the driver. If your driver does not have that option, you can also use DisplayCAL to override output levels via advanced options and re-calibrating (not recommended, but it seems that is how your old profile was created).

    Maybe I am just missing something.

    #22078

    Florian Höch
    Administrator
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    You told me to set them that way…

    Set 16-235 in the graphics driver if you have that option. I cannot know what graphics hardware or driver you are using.

    #26768

    Alexei Jolkin
    Participant
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    So I am trying to re-calibrate but it is giving me an error about the measured luminance difference between RGB level 0 and 16 is below 0.02 cd/m^2.

    See above. Your graphics driver is misconfigured.

    This error had NOTHING to do with the graphics card configuration, in my case.

    The new freshly installed DisplayCAL sets the i1 Pro / i1 Studio devices in High Res mode by default. And it DOES NOT WORK in Hi Res mode! This stupid bug cost me hours of troubleshooting. However, switching to “normal” mode, all works as usual.

    #28556

    Panos Pavlatos
    Participant
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    After reinstalling displaycal I am getting the “the measured luminance difference between RGB level 0 and 16 is below 0.02 cd/m^2” error message.

    I have already created several 3dluts with full full full setup.

    Could you please tell me how to fix this bug?

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