The keyboard shortcut Ctrl + Shift + Qq permits customers to rapidly stop their present Chrome OS session and signal out of their Chromebook. This is usually a helpful shortcut for customers who wish to rapidly sign off of their Chromebook, however it can be unintentionally triggered, resulting in unsaved work being misplaced. If you end up unintentionally triggering this shortcut, you’ll be able to disable it by following these steps:
1. Open the Settings app in your Chromebook.2. Click on on the “Keyboard” tab.3. Scroll right down to the “Keyboard shortcuts” part.4. Discover the “Stop Chrome OS session” shortcut and click on on the “Disable” button.