This means you can run a parallel OS on Chromebook with developer mode enabled on it. Press Ctrl + D to bypass this screen. Then, the screen will say “OS Verification is off. Generally, Chrome OS developer mode strips away a lot of the protection that you normally get with Chrome OS. Boot up your Cr-48. Press Enter at the next screen. Enable Developer mode. Yes, there are ways, but if you don’t want to fuck up your school computer, then I suggest you don’t do it. Chromebook developer mode is a special mode designed for developers. Flip the developer mode switch AWAY from the gold battery contacts to return the Cr-48 to normal mode. Not everyone should use Chrome OS developer mode because you can easily break the system while using it. Developer mode will wipe your Chromebook back to factory settings so make sure you back up any data not on your Google drive. I run into trouble when getting to dev mode it will delete all local data. Step 1. Restart your Chromebook and you’ll see the standard “OS verification is off” message. Developer Mode gives you a lot more freedom on a Chromebook. It allows them to access the OS code and load their own version of Chrome OS. Plus, there are other hazards that you have to watch out for even if you knew what you were doing. So far, the only way to boot from USB that I have found is this here, which tells me I need to be in developer mode. The older chromebooks have a switch, hidden behind a black sticker inside the battery compartment! So, everything on the device will be deleted along with your account details and settings. You have successfully unlocked your chromebook. It is your school’s Chromebook? With your Chromebook turned off hold down the ESC and Refresh While keeping them held down, press the power button once. This will take all of the school's administrator settings and configurations off, which will not be acceptable when I turn the laptop back in. It can be used to install a new OS and complete other tasks related to the OS that you wouldn't be able to do on a Chromebook that isn't in Developer Mode. Pull the battery, remove the sticker, flip the switch, put the battery back and reboot! Instead of pressing Ctrl+D to skip this warning, press the Space button to re-enable OS verification and disable developer mode. This will erase all your files and settings, so back up anything that isn't already synced to the cloud. In order to install Crouton, you'll need to put your Chromebook in Developer Mode. Finally, press esc + refresh + power and it will take you to a screen where it says “Chrome OS is missing or Damaged” Press Ctrl + Search (Ctrl +Shift on older models) and then press enter to go into developer mode. Here are some possible risks: Plug the battery and power cord back in. Eventually, the chromebook should crash when you click browse as guest. Developer mode without erasing all data Hi, I have the Samsung ARM chromebook that doesn't have the physical switch for developer mode, and everytime that I need to enter in developer mode.. BOOM it wipe all my data, that sucks! https://www.wikihow.com/Reset-a-Lenovo-Thinkpad-X131e-Chromebook Easy stuff. When you disable developer mode, your Chromebook will wipe all user data and reset all system files to their default state. Before you enable Developer Mode on Chrome OS, here are a few repercussions you should be ready to face: Your Chromebook will be reset; Enabling Developer Mode on Chromebook “powerwashes” the device, which means the process factory resets your device. Voila! You'll be back in normal mode without having your data wiped, same account picture, timezone, WiFi profiles and other settings as you had in developer mode. They disabled developer mode for a reason, and once you walk the path, you can never turn back.