Intel has recently announced the release of its Linux Graphics Update Tool 2.0.2. Ubuntu 16.04 is supported so it’s easy to install the latest Intel Graphics Stack in this LTS release.
The new release supports for Ubuntu 16.04, and Fedora 24, and it’s available for download at the link below:
Once you downloaded the .deb package, click install it via Ubuntu Software.
Then you’re able to launch the tool from Unity Dash:
Follow the pop-up wizard and it automatically downloads the latest graphics stack and installs for you device.
If everything goes OK, restart your computer to make the new driver take place.
In addition, to make Ubuntu trust future updates from Intel repository, you have to run the command below in terminal (Ctrl+Alt+T) to setup the key:
wget --no-check-certificate https://download.01.org/gfx/RPM-GPG-KEY-ilg-4 -O - | sudo apt-key add -