Performing a Chromebook Hard Reset
Sometimes if you get a non-responsive Chromebook that is not working like it should be, you might need to reset the device hardware, also known as a hard reset.
To perform a hard reset on your Chromebook, follow the steps below:
If possible save and close all applications windows such as Chrome browser.
Press and hold the Refresh button () first and tap the power button.
* Some Chromebook Model power buttons may be located on the side of the device*
The screen will go dark briefly and you can release the buttons and the device should power back on.