HARD RESET
A hard reset will correct many Chromebook issue.
To perform a hard reset on a Chromebook, press refresh and power at the same time.

If a hard reset does not work, you may also try a policy refresh.
Launch the Chrome browser and go to "chrome://policy"
Click "Reload Policies"
Wait 60 seconds
Restart the Chromebook
You may have to repeat this process a couple of times
