Follow these steps please> Disconnect the power cord from the Chromebook,
Then hold the power button down for 60 seconds, then On the keyboard, press Refresh + Power .
Then reconnect the power adapter, the Chromebook should boot up and work normally again.
Let me know if this does not work and we can try another solution.
Please reply and let me know if you need any other assistance or if everything is good, take a moment to rate my service by choosing one of the stars at the top, then click submit.
Thank you very much!