"How can I reset a managed chrome book back to factory"に関する回答OK I am pretty sure this is how I did it. 1. Press and hold the Esc and Refresh keys together, then press the Power button (while still holding the other two keys). ... 2. As soon as you see Recovery Mode pop up—the screen with the yellow exclamation point—press Ctrl+D. ... 3. Press Enter to continue, then give it some time.