How to disable a device in Windows 10?

I have my internal keyboard on my laptop which is broken and keeps typing random letters.

I have an external keyboard which I use and is working perfectly.

Can you help me disable the internal keyboard? (permanently)

To disable a device using Device Manager on Windows 10, use these steps: Open Start. Search for Device Manager and click the top result to open the experience. Expand the category with the device that you want to disable. Right-click the device, and select the Disable device option. Quick Tip: Alternatively, you can click the Properties option, then on Driver tap, you'll also find an option to disable the selected hardware. Click the Yes button to confirm. Once you've completed the steps, the device you disabled will no longer be available for use.