Install GNU/Linux sur Acer Aspire ES1-531-P1UK

http://acer-fr.custhelp.com/app/answers/detail/a_id/28031/~/comment-activer-et-d%C3%A9sactiver-secure-boot

http://acer--uk.custhelp.com/app/answers/detail/a_id/27071/~/how-to-enable-or-disable-secure-boot

Completely shut down your computer.
Power on the system. As soon as the first logo screen appears, immediately press F2 to enter the BIOS.
Use the right arrow key to select Security.
Use the down arrow key to highlight Set Supervisor Password and press Enter.
Create a password and press Enter. Retype the password to confirm and press Enter again.
Use the right arrow key to select Boot.
Press the down arrow key to select Secure Boot and press Enter.
With the arrow key, highlight Disabled and press Enter.
Press the F10 key and select Yes to save the changes and exit the BIOS.

Merci à celui qui a fait cette vidéo :)

https://www.youtube.com/watch?v=cVbUrzYD8PE