A simple manual to setup Coreboot on Chromebooks. Requirements:

• USB Stick (Atleast 8GB if you want to make a backup iso)
• Strewdrivers.

This wiki shows to installing core Coreboot script.

• 1. Removing screws from the Chrombook
• 2. Screw 2 falt scraws in the near of the disk out.
• Also remove the battery. You can put the battery back in after Coreboot is flashed.
• 

• 1. By power on the Chromebooks hold esc + reset pressed.
• 
• 2. On the Screen press str + d to boot in the developer mode.
• 

• 0. open the terminal with ctrl + alt + t
• 1. Download the Coreboot script in the home file.

 cd;curl -LO mrchromebox.tech/firmware-util.sh 

• 
• The Reason is that other pasths are immutable.In the next steps we will use “sudo”, because of the immutability of Root.
• 2. To check if it is the corect script, you can check it via

 cat firmware-util.sh 

• 3. To flash the Coreboot image

 sudo install -Dt  /usr/local/bin -m 755 firmware-util.sh && sudo firmware-util.sh 

• 4. Choose the option Install/Update UEFI (FUll ROM) Firmware
• 
• 5. Plug the USB device to the Chromebook, so a backup can be made if something goes wrong.
• 
• 6. Restart when its completed
• 
• 7. Yay! Coreboot is now installed and you can install any OS you want there.

• Acer Chromebook 14 CB3-431 (Edgar): Works
• Chromebook Spin CP713-2w : Works
• 

- https://wiki.mrchromebox.tech/Firmware_Write_Protect