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No Video After Security Upgrade

I had avoided doing the upgrade for some time. Tonight i gave in. After the upgrade i lost all video. Neither of my cards will output video, standard 5770 that came with the Mac Pro or the 1050ti that i added. I am really angry. Why would Apple do this? I have done the pram/nvram thing, i have done the power cord unplug and wait thing and still no success. How do i get video back after the Apple upgrade?

Mac Pro, iOS 11.3, 32gb ram 5770 and 1050ti video

Posted on Apr 21, 2018 6:36 PM

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Posted on Apr 21, 2018 8:02 PM

Hi,

Connect displays different video ports, or get out 1050ti video card and make Mac Pro to standard condition and see if video come out.

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No Video After Security Upgrade

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