Can't match 2 same monitors

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This topic contains 3 replies, has 3 voices, and was last updated by  Vincent (@vincent) 6 months, 3 weeks ago.

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  • #16408

    Antoine Dorseuil (@antoine-2)
    Participant
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    Hi,

    I’m a student and I’m currently trying to match my two monitors for colograding.

    I use a Spyder 5 with display cal and have 2 led: LG 24MP68VQ (https://www.amazon.fr/gp/product/B01AWG4PR0/ref=ppx_yo_dt_b_asin_title_o06_s00?ie=UTF8&psc=1)
    I’ve struggle to try calibrating them but my small knowledge and understanding didn’t help in any way.  I finally chose to hide advanced parameters restore to default and just try a basic calibration.

    I came up with good results (I guess) for 1 but with the exact same settings, I have very bad results with the second one (see attached reports)

    I’m turning to all the specialist around here if anybody has an idea about the problem and where it comes from !

    Thanks for taking time to help

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    #16416

    Florian Höch (@fhoech)
    Administrator
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    Hi,

    contrast is very low in your first result – it looks like you may be driving the monitor with the wrong output levels. What graphics card and OS are you using?

    After you have fixed the first problem, I would redo both calibrations & profiles (set calibration whitepoint to 6500 K for both and aim for the same luminance, typically 100 cd/m2 for a dim room). Make sure any “dynamic” features (auto dimming/contrast etc.) on the monitors are disabled, and no direct light is shining on the monitors and instrument during measurements.

    #16484

    Antoine Dorseuil (@antoine-2)
    Participant
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    Hi,

    I’m on Windows 10 with a Geforce GTX 1050 Ti.  I don’t know If it has something to do but the monitor that goes wrong isn’t in HDMI but in DVI-D

    The wierd thing is when I start to calibrate the monitor that goes wrong the interactive display adjustment part doesn’t answer well it’s like the red output isn’t measured correclty. I don’t have this problem with the other one so I guess it doesn’t come from the calibration device.

    #16493

    Vincent (@vincent)
    Participant
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    Hi,

    I’m on Windows 10 with a Geforce GTX 1050 Ti.  I don’t know If it has something to do but the monitor that goes wrong isn’t in HDMI but in DVI-D

    The two monitors look wrong, check what Florian wrote.

    You have two IPS like screens supposed to be 1000:1 in contrast, but they are 100:1 & 350:1 when measured. That points to 16-235 output range instead of 0-255. Look for it in nvidia configuration panel.

    Also one monitor is configured to have 35% more brightness in white and unique grey levels are a little bit low for the two units, like if you chose to fix white using graphics card.

    • This reply was modified 6 months, 3 weeks ago by  Vincent.
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