Table of Contents

ChromeOS

Developer mode

  1. Hold [ESC] and [Refresh] buttons and press [Power] button
  2. ignore messages and press Ctrl+D
  3. confirm with [Enter]
  4. press Ctrl+D again (or wait)
  5. reboot takes ~30s
  6. you're now a developer.

"The device owner has disabled developer mode on this device."

There could be provisioning information still left on the device. Log in with an arbitrary Google account, update the system and go to chrome://policy. Load the policies, wait a bit, shut down and try again.

USB boot

  1. Boot
  2. Ctrl+Alt+T for Terminal.
  3. sudo su
  4. crossystem dev_boot_usb=1 dev_boot_signed_only=0
  5. reboot
  6. hit Ctrl+U

further information