How to Disable Network Card Mac?

How to Disable or Enable NIC on a Mac : Working on a Mac

There's a gear icon click on the gear icon. And then click on make service inactive and now it's disabled.

How do I Disable my Network Card?

Click Network and Internet.
Click Network and Sharing Center.
On the left, click Change adapter settings.
Right-click the NIC that you would like to disable and select Disable.

How do I Disable and Enable Network Card?

Open Settings.
Click on Network & Security.
Click on Status.
Click on Change adapter options.
Right-click the network adapter, and select the Disable option.

How do I Turn off Ethernet Without Unplugging MAC?

You can have a little Airport strength symbol up on the menu bar and when ever you want, click on that and pick the "Turn off Airport" which shuts off the airport card. This effectively disconnects the Mac from the internet.