A:Answer First turn off your Chromebook completely (don't just close the lid). Next, hold down the Refresh keyboard icon key and then press and hold the Power button. Hold both down for 10 seconds.
Release the Refresh key and then the Power button and your Chromebook will restart. If it doesn't start, press Power again. If this doesn't fix the issue, we recommend you call Lenovo Tech Support for Chromebooks at: 800-426-7378