High Sierra very slow Graphics

Hi Folks, after updating my Hackintosh form ElCap to the new released HighSierra 10.13.3 and installing the new released Nvidia Web Drivers i have lots of problems with my graphics. The UI is very slow and stucks sometimes. Also i can't play youtube videos and, for example do some word stuff. Everything is very slow and sticky.

My system is: Gigabyte Ga-z77n-wifi Intel i5 3570k 16Gb Ram GTX 960 w/ 2GB 120Gb SSD w/ APFS

System set to: iMac 14.1

Boot flags: nvda_drv=1 dart=0

NVRAM is also enabled

Can somebody give me some advise? What is causing the poor performance? Nvidia driver? High Sierra?

Thank you!!!

submitted by /u/0magertrud
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