How to find Chromebook Serial Number:

 

  1. Hit (Esc + refresh + power) to start the wipe process
  2. Hit (Ctrl + D) on the recovery screen (yellow exclamation mark)
  3. Hit (Enter) on the screen that states: “to turn OS verification OFF, press enter. Your system will…”
  4. On the next screen which has the red exclamation mark, let the system proceed to the next screen automatically.
  5. Then, on the next screen which states: “The device owner has disabled developer mode for this device…” again, let the system reboot automatically
  6. When the chromebook restarts you will be at the 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.