Is there any way to disable laptop's keyboard on Windows 10? I have acer laptop with broken keyboard, so I am using an external USB keyboard. Can I disable PC's keyboard for all time? I have tried to physically damage keyboard.

Try out this link...
http://www.tomshardware.com/forum/id-2753989/disable-keyboard-windows.html
and afterwards this one;
How can I disable my laptop's built-in keyboard in Windows 7?
I hope this helps!! :)