Each Chromebook has to be enrolled into your Google Apps Domain so that the device can pick up the settings on the management dashboard. In order to enroll the Chromebooks you have to follow these directions.
If you happen to log into the Chromebook before you enroll it into the domain, you have to wipe the Chromebook by putting it into developer mode.
One of our Chromebooks has been freezing up on the students so I went into the classroom to wipe it, put it in developer mode and see if the issue would be resolved. Unfortunately, wiping the device did not help. When I went into developer mode it told me there was a problem with Chrome OS and that I needed to connect a recovery device or visit the Chromebook Recovery Page.
Here was our process of replacing one of our Chromebooks...
If a Chromebook is having issues...
Other Help Resources
Chromebook Enterprise Support Portal
Chromebook Help Center
Molly & Tracy