Check my tutorial if you have not done this yet. To do this, you will need to make sure that you have developer mode enabled on your Chromebook.Google Crouton or Chrubuntu and follow the steps for installation, takes less than an hour. On the post you guide all the process to prepare an sd card to install ubuntu with mail support on chromebook, could you provide even the imagefile of the generated sd card? Thanks I have see that is possible to have Mali GPU hardware acceleration on Samsung ARM Chromebook with Ubuntu.UPDATED - Workaround for Ubuntu 16.04 installation! See the end of the post See the end of the post In this article, we learn how to set up a Chromebook Pixel (samus) with Ubuntu natively, NOT using Crouton and some sort of chroot trick, transforming it into a mobile powerhouse.