We’ll be using a hidden feature flag to enable an extra keyboard shortcut to get this working. We tested the flag on ChromeOS version 103 in July 2022.

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First, open Chrome and type chrome://flags in the address bar and hit enter.

The Chrome Experiments window will open. Use the search bar to find a flag titled “Debugging Keyboard Shortcuts.”

Switch the flag to “Enabled” from the drop-down menu and then click “Restart” to reboot the Chromebook and apply the change.

After the Chromebook has rebooted, we can use the keyboard shortcut. Press the Shift+Search+T keys at the same time.

That’s it! The touchscreen will now be unresponsive. You can turn it back on at any time by repeating the keyboard shortcut. It’s a simple little trick, but if you find the touchscreen more annoying than useful, it’s a good one to know. Chromebooks are full of handy features you may not know about.