Hello, and Welcome to the HP Support Community!
Are you getting a light when the charger cable is plugged into the Chromebook?
Here's a good page for troubleshooting issues like yours:
https://support.google.com/chromebook/answer/6309225
WyreNut
-------------------------------------------------
I am a Volunteer here, not employed by HP.
You too can become an HP Expert! Details HERE!
If my post has helped you, click the Kudos Thumbs up!If it solved your issue, Click the "Accept as Solution" button so others can benefit from the question you asked!