Graphics drivers or hardware do not support loadable gamma ramps

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  • #23354

    RogerP
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    I have a Nvidia GeForce GTX 1050 graphics card and have been using DisplayCAL without problems for some while.

    I updated to the latest version and now cannot use it as I get the following message ““Your graphics drivers or hardware do not support loadable gamma ramps or calibration”.

    I guess that I need to roll back the version so I can use DisplayCAL again, but I am unable to find any legacy downloads.  Can anyone help?

    #23733

    Florian Höch
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    This problem is not fixable by software rollback. If your graphics card or drivers do not provide gamma ramp access, you are unable to use calibration. Typically this is a problem with broken or incomplete graphics card driver install.

    #23808

    RogerP
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    The Nvidia graphics card does support Gamma Ramps and I have been working with the Nvidia techs to try and solve this problem. There didn’t seem to be a problem with the graphics card and judging by the lack of other people having problems with DisplayCAL I needed to look elsewhere.

    Solved today.  I use Comodo Internet Security for my anti-virus and firewall and unbeknownst to me, although it was set to allow DisplayCAL and Argyll, it had quarantined a couple of files preventing DisplayCAL from running properly. I have cleared these files and everything is now running smoothly.

    #24905

    Katarina Krneta
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    I have RTX2060 and there is exact same problem… but my solution is role back to DisplayCAL-3.8.0.0.

    is there any other solution to this kind of problem?

    #24943

    Florian Höch
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    but my solution is role back to DisplayCAL-3.8.0.0.

    This is not a solution. It will still not work, you just won’t get an error message alerting you about it.

    #24947

    RogerP
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    Hi Katarina. I did have the problem, but it was my Anti-virus that was restricting access to the Argyll files. I didn’t spot this when I installed DisplayCAL etc. but once I had cleared the Antivirus and created an exception for Argyll, everything works fine and no problems with DisplayCal locating the gamma ramps.

    #24982

    Katarina Krneta
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    @fhoech So what is the solution?

    @rogerp I tried.
    Try to add an exclusion (for displaycal.exe), disable AV (Kaspersky av), and uninstalled at the end and no go, also Win. Defender disabled completely… I think there is something related to Windows update April and version 2004…

    #24983

    RogerP
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    Hi Katarina

    My issue was the AV was isolating the ArgyllCMS files not the Displaycal files. Unfortunately I am at the limit of my experience and don’t know what else to suggest. Good luck finding a solution.

    #25105

    Kompy
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    Hello,

    I have a GTX 980ti and is happening the same thing.  I did not have antivirus at the beginning, so I installed one to disabled it (desperate…) I did re-installed the DisplatCAL and the GPU drivers and restart everything.

    Any other suggestion?

    I’m using a i1Display Studio, and I have a similar issue with the i1Studio software. So is pretty clear a hardware/drivers problem.

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    i1Display Studio on Amazon   i1Studio on Amazon  
    Disclosure: As an Amazon Associate I earn from qualifying purchases.

    #25109

    Kompy
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    Fixed. Uninstall GPU drivers with DDU software. Re-install GPU drivers again and works.

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