To properly go under the hood and hack around on a Samsung Chromebook 2, you’ll need to put it into developer mode. Whether using crosh or installing Chromium or other operating systems or just doing some pretty cool stuff, you’ll need to throw the thing into developer mode. Because you have so much control you should leave developer mode off when you’re not hacking around for security purposes. Note: Before you switch back and forth, know that user accounts will be reset each time you switch. Now, to enter developer mode, we’ll first go into recovery mode, using the Escape (ESC) and Refresh (F3) buttons on the keyboard when you…