1. Update OS X:
Clover Boot Options:
Before OS X Update: kext-dev-mode=1 nvda_drv=1
2. First Restart
Clover Boot Options:
After OS X Update: kext-dev-mode=1 nv_disable=1 -v -x
3. Install NVidia WebDriver
See Here
Reboot
4. Finally…
Clover Boot Options:
After OS X Update and NVidia WebDriver installation: kext-dev-mode=1 nvda_drv=1