powerwash
-e How to powerwash your chromebook:
- Sign out of your Chromebook.
- Press and hold Ctrl + Alt + Shift + r.
- Select Restart.
- In the box that appears, select Powerwash and then Continue.
- Follow the steps that appear and sign in with your Google Account.
If this doesn’t work, try powerwashing by trying to enable developer mode. (https://github.com/S-PScripts/chromebook-utilities/blob/main/Exploits/Developer%20Mode)