[theaifam5@rc-730 ~]$ ls /usr/lib/modprobe.d/
bluetooth-usb.conf  bumblebee.conf  nvidia-ck.conf  usb-load-ehci-first.conf
[theaifam5@rc-730 ~]$ cd /usr/lib/modprobe.d/
[theaifam5@rc-730 modprobe.d]$ cat bumblebee.conf
blacklist nvidia
[theaifam5@rc-730 modprobe.d]$ cat nvidia-ck.conf
blacklist nouveau