If you have problems trying to connect to the Internet or another computer over a network, resetting your Ethernet adapter can help resolve your connectivity issues. Ethernet is the name of the technology that allows modern computers to communicate with each other over a wired network. To connect your computer to a network, you need a network adapter, which is usually an Ethernet card inside your PC. Resetting this Ethernet adapter can clear any configuration issue that may prevent your computer from connecting to the network or properly communicating with other computers.
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Click on the network icon in the tray notification area of your taskbar. This icon looks like a monitor, and you can usually find it at the far right of the taskbar.
Click on "Open Network and Sharing Center."
Click on "Change adapter settings" in the left-hand pane of the Network and Sharing Center window.
Right-click on the icon of your network adapter and select "Disable." Wait a couple of seconds and then right-click on the icon again and select "Enable." This will force your Ethernet adapter to reset.