If you are at the login screen and want to wipe the device without signing in: Sign out of the Chromebook if you are currently logged in. Press and hold simultaneously. Select Restart when the prompt appears. In the next box, select Powerwash and then Continue . Method 2: Through System Settings
Click on the in the bottom-right corner and select the Settings (gear icon). Samsung Notebook Xe303C12 Factory Reset
Press the (or follow on-screen prompts) to begin the reset and return to verified mode. Important Reminders: If you are at the login screen and
Release the keys when a screen appears stating "Chrome OS is missing or damaged". In the next box, select Powerwash and then Continue
Use this "hard reset" if your Chromebook is frozen, won't boot, or is managed by an administrator: Turn off the device. Hold down the key + Refresh key ( ), then press the Power button.
Press to open the developer mode screen, then press Enter .
Use this method if you are already logged into your account: