Ubuntu 16.04 WiFi is not detected for Intel Dual BandWireless-AC 3168

Ubuntu 16.04 WiFi is not detected for Intel Dual BandWireless-AC 3168

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1627114

http://askubuntu.com/questions/827795/how-do-i-get-an-intel-wireless-3168-802-11ac-wireless-card-to-work/828614#828614

nvidia
http://askubuntu.com/questions/760934/graphics-issues-after-while-installing-ubuntu-16-04-16-10-with-nvidia-graphics