The network card/adapter (or NIC) is responsible for connecting the computer to the Internet, via an Ethernet cable. A disabled network card/adapter is a common reason why people can't browse the Internet, if they are connected via a wired connection, i.e. Ethernet cable.
The tutorials below will show you how to enable and disable the network card/adapter safely and without changing any other important settings, on computers running on:
You can activate or deactivate the Ethernet port from the Network Connections setting. To enable the Ethernet port, feel free to follow the steps below:
Note: To disable the network adapter, follow the steps below, right-click the Ethernet icon (or another name, if you've changed it) and select Disable.
The video below reveals how to enable the network (LAN) adapter
and the video below how to disable it
You can activate or deactivate the network module via the Network and Internet setting in the Control Panel.
Click the X button in the top-right corner of the window to close it
To disable the network adapter, repeat the steps above, but this time right-click the Local Area Connection icon (or another name, if you've changed it) and select Disable.
On Mac computers, you can activate or deactivate the network card via System Preferences.
To activate the network module, feel free to follow the steps below:
To deactivate the network connection, repeat the steps above, but click on the Make Service Inactive button.
In Ubuntu, enabling and disabling the network adapter is done via the network manager.
To enable the network card/adapter, follow the steps below:
To disable the network card/adapter, follow the steps below:
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