How to Powerwash a Chromebook

Factory reset your Chromebook

Sign out of your Chromebook. Press and hold Ctrl + Alt + Shift + r. Select Restart. In the box that appears, select Powerwash  Continue. Follow the steps that appear and sign in with your Google Account.
Note: The account you sign in with after you reset your Chromebook will be the owner account. Once you've reset your Chromebook:

Follow the onscreen instructions to set up your Chromebook Check if the problem is fixed