There is a simple fix to rotate your Chromebook sreen. If stududents figure this out, it can make life a bit interesting for the next person to use that Chromebook! Rotating the screen manually will disable the auto-rotate feature.
If you have Chromebooks that fold into a tablet, they should automatically rotate between portrait and landscape mode, just like your phone. Is the screen rotated sideways or upside down? Press the increase brightness key a few times to check. Make sure students haven’t dimmed the screen using the screen brightness keys. Its’ easy to forget how to turn it back off! Just press alt + search to toggle caps lock off. There is no caps-lock button on a Chromebook, but you can still enable this unwise feature by pressing alt + search (magnifying glass key). How to fix a Chromebook! Your Chromebook (may) not be broken! Here are some simple things you can try before you call for help! Is the caps lock stuck on?