Following mining and findings performed on EVGA GeForce GTX 1070 SC GAMING Black Edition Graphics Card cards.
First run nvidia-xconfig --enable-all-gpus then set about editing the xorg.conf file to correctly set the Coolbits option.
# /etc/X11/xorg.conf
Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
| $ sudo apt-get install libfontconfig | |
| $ cd /usr/local/share | |
| $ sudo wget https://phantomjs.googlecode.com/files/phantomjs-1.9.1-linux-x86_64.tar.bz2 | |
| $ sudo tar xjf phantomjs-1.9.1-linux-x86_64.tar.bz2 | |
| $ sudo ln -s /usr/local/share/phantomjs-1.9.1-linux-x86_64/bin/phantomjs /usr/local/share/phantomjs | |
| $ sudo ln -s /usr/local/share/phantomjs-1.9.1-linux-x86_64/bin/phantomjs /usr/local/bin/phantomjs | |
| $ sudo ln -s /usr/local/share/phantomjs-1.9.1-linux-x86_64/bin/phantomjs /usr/bin/phantomjs |