How to find Chromebook Serial Number:
- Press (Esc + refresh + power) to start the wipe process
- Press (Ctrl + D) on the recovery screen (yellow exclamation mark)
- Press (Enter) on the screen that states: “to turn OS verification OFF, press enter. Your system will…”
- On the next screen which has the red exclamation mark, let the system proceed to the next screen automatically.
- Then, on the next screen which states: “The device owner has disabled developer mode for this device…” again, let the system reboot automatically
- When the Chromebook restarts you will be at a screen that states: choose your language and network, you don’t need to fill this out just hit (ALT + V) and the serial number will display in the top right corner of the screen.