Try installing the driver with:
sudo apt-get install libviaxvmc1 libviaxvmcpro1 xserver-xorg-video-openchrome
Then changing your /etc/X11/xorg.conf file to use unichrome as the driver.
Try installing the driver with:
sudo apt-get install libviaxvmc1 libviaxvmcpro1 xserver- xorg-video- openchrome
Then changing your /etc/X11/xorg.conf file to use unichrome as the driver.