Chromebooks
Recover Chromebook Help Centred steps you through steps.Note: If your device is under warranty, contact the reseller or Manufacturer.
Hard Reset
Hard Reset
Chromebooks do not fully shutdown, when you power them off. A little bit of power is still being used.
This would be the first thing to try:This can sometimes fix the screen doing weird things, WiFi that isn't working.
Powerwash
Powerwash
Basically: Clean install from the Chromebook's reinstall partition.
Only do this if you have at least 50% charge or the charger is plugged in. Any installed personal games on your personal account will need to be reinstalled.
Install from a Flash Drive
Install from a Flash Drive
If your Chromebook is demanding a reinstall