These instructions will go over what you will need to do to Powerwash (Factory Reset) for Chromebooks. 

To enable Powerwash make sure that you are currently signed out of any account that is currently logged into the device.

• Press CTRL+SHIFT+ALT+R to bring up the Powerwash screen.

• A box will come up to confirm Powerwash. Click Continue.

• The device will restart to Powerwash and go through the first time setup again.

• After Selecting your network, you will be taken to a screen that refers to Enterprise Enrollment being completed.

• You will know when the Chromebook is properly enrolled when you see “Managed by SOU” on the sign-in page.

How to update without signing in.

• If you would like to do more you can update WITHOUT signing in.

• Click the Browse as Guest button.

• Search for Settings >> About ChromeOS >> Check for Update.