Now we want to disable developer mode extensions in Chrome. To do this, open Chrome so that it displays the alert stating that Developer Mode extensions are installed as shown below.

Therefore, back up all important files before you enable the developer mode. To enable developer mode on a Chromebook running Chrome OS, follow these steps: Turn off your Chromebook.

Once completed, you will be greeted with the standard Chrome OS setup screen. Disabling Developer Mode on Chromebook Power off your Chromebook.

Want to re-enable OS verification and disable Developer Mode? You can repeat steps 1-7, above, but instead of “Confirm Disabling OS Verification” you should see an option that says “Enable ...

For instance, you can use Developer Mode to install an entirely new OS on your Chromebook. Perhaps the most popular use for Developer Mode is for sideloading Android apps.