Issue with graphic card NVIDIA Geforce GTX 96

Discussion in 'Mac Basics and Help' started by ginoraas, Apr 4, 2018.

  1. ginoraas macrumors newbie

    Apr 4, 2018
    Hi everyone,
    I got a problem (and related panic :)). I got a Mac Pro 4.1 early 2009 (El Capitain 10.11.6) with an NVIDIA Geforce GTX 960. Everything worked fine til the last Security Update 2018-002. After that every moving object on my screen is flickering and I can't work anymore. Another person installed the Geforce GTX 960 on my Mac, so I'm not able to figure out where is the problem.

    I searched for exaustive topic but I wasn't able to find the right one.

    I'm not an expert like most of you out there, I apologize in advance for that!

    What happened?
    It's a question of drives?
    Have I to unistall and re-install the graphic card?

    Many thanks for your time and help!
  2. satcomer macrumors 603


    Feb 19, 2008
    The Finger Lakes Region
  3. ginoraas thread starter macrumors newbie

    Apr 4, 2018
    Thanks Satcomer, I followed all the instructions.
    I uninstalled the web driver and the CUDA driver, then I physically uninstalled and re-installed the GPU: no issues now with flickering moving objects or monitor problems.

    Now the problem are performances! All is very slow, I start Premiere Pro 2018 and it takes much more time than before, when the damned Security Update was not upgraded.

    Any suggestion? How can I go back to my previous setup and performance?

    Many thanks in advance to everyone!

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