In this post, we'll see how to disable touchpad completely in Windows 10.
Also, we'll see how to disable touchpad in Windows 10 when the mouse plugged in. Let's get started.
What Do You Want to See?
Disable Touchpad When Mouse Plugged In

That's it. From now on, the touchpad will be disabled when the mouse is connected.
If you want to revert, then follow the above steps.
Disable Touchpad Completely






That's all. The touchpad is disabled completely.
If you want to enable touchpad, then go to the "Touchpad" tab of "Mouse Properties," click "Enable Device" or "Enable" button depending on the one you've in your device, and then hit "OK" button at the bottom.



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How to Disable Touchpad in Windows 10
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