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OS 10.11.6 Security upgrade disables nVidia GeForce GTX 680mx on iMac 27
Apple had this “security” update last night and I foolishly updated it, thinking it would only patch some bugs. After reboot my nVidia GeForce GTX 680mx iMac 27″ no longer works and I am on software only. Nvidea does NOT have a patch available as of this afternoon. Be aware. Once again, upgrading even security patches by Apple are prone to screw up your machine, which is depressing enough. More reasons to move to Windows. it’s been my impression security updates on my windows machines have not hampered my video card drivers.
Al