How Do I Completely Disable Internet Access on my Windows Computer?
This is Easy:
- Hold down the Windows key and press R (see image).
- In the Run box that appears, type: ncpa.cpl and press Enter.
- You’ll see a list of your network adapters (there may be one or several).
- Right-click each adapter and select Disable.
That's it!
Note: To re-enable internet access: Right-click the adapter again and select Enable.