Acer Chromebook C720

Developer mode
In order get lower-level access to the hardware to install Gentoo, it is necessary to put the system into developer mode.

Follow these steps to gain access to developer mode:


 * 1) Reboot the system to the login screen, then do not login.
 * 2) At the login screen hold + (the  key) then press the Power button (top right).
 * 3) The machine should boot to a special recovery screen, when it gets there press +. The system will reboot.

Enable the legacy bootloader

 * 1) Presuming the system in a a powered down state, power up the unit.
 * 2) When the login screen appears, hold + and press. This should enter the developer console.
 * 3) Login by entering   at the prompt, and pressing the  key.
 * 4)  to gain a  shell.
 * 5) Type  and then press.
 * 6) The system will reboot again.
 * 7) At the recovery screen, press + to load legacy boot options.
 * 8) The SeaBIOS bootloader should appear prompting a press of the  key. Press.
 * 9) Select the appropriate bootable device by pressing the associated integer number on the keyboard.
 * 1) Select the appropriate bootable device by pressing the associated integer number on the keyboard.

External resources

 * https://www.linux.com/learn/how-install-linux-acer-c720-chromebook - A Linux.com article on installing Ubuntu/Bodhi Linux.