- Press and hold the power button, then select “Lock” from the menu to lock the screen and keyboard.
- Close the lid of your Chromebook if you have that setting enabled in your settings. Go to Settings > Security and Privacy > Lock screen and sign-in and toggle on “Lock when sleeping or lid is closed”.
- Set a screen lock PIN or password in your settings that will require unlocking when waking your Chromebook from sleep. Go to Settings > Security and Privacy > Lock screen and sign-in to set this up.
- Use a Chrome extension like “Keyboard Lock” from the Chrome Web Store to lock and unlock with a click.
- On some models, press and hold an actual Lock key on the keyboard to lock the screen and keyboard.
To fully disable the keyboard for use as a tablet, that does not seem easily possible on a hardware level based on the sources. The keyboard can only be locked out from input, but not powered off.
I hope this summary of the key ways to lock your Chromebook keyboard from the search results helps explain the main methods! Let me know if you need any clarification or have additional questions.
