The Chromebook will reboot and you’ll see the screen with the red exclamation mark.ĭeveloper mode is now enabled, power off the Chromebook.īy enabling developer mode, your Chromebook will always display the screen with the red exclamation mark on startup.
You will see a timer counting down in the top right hand corner of the screen. On the next screen press Ctrl + D to bypass this message. With your Chromebook turned off hold down the ESC and Refresh While keeping them held down, press the power button once. – Live Linux USB drive (I’m using Ubuntu 18.04)ĭeveloper mode will wipe your Chromebook back to factory settings so make sure you back up any data not on your Google drive. Instructions were taken from these locations:
