Sign out of your Chromebook
Press and hold Ctrl + Alt + Shift + r
Select Restart
In the reset window, select Powerwash
Select Continue
Follow the on-screen prompts to complete the reset
If prompted, sign in with your Google account after the reset
Sign out of your Chromebook
Press and hold Ctrl + Alt + Shift + r
Select Restart
In the reset window, select Powerwash
Select Continue
Follow the on-screen prompts to complete the reset
If prompted, sign in with your Google account after the reset