Monitor flickering & stability issues on Sierra

I successfully installed Sierra on a i5 4690 + GTX 970 setup using the 14,2 definitions, and I have been using it for a few weeks, however lately the monitor started to flicker, going black for a few ms like it was a loose cable, however it's not the issue since in Windows I never get any flickering and also it does that on both of my monitors (one is DVI the other one is HDMI -> VGA). At first it flickered barely ever, and it started increasing and now my hackintosh is unusable, and I also find it affects the system stability (lags, also in Android Studio the cursor was gone so I wasn't able to type, only select text).

thanks in advance

submitted by /u/vinz243
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