What is the harm of modifying the physical address of the computer network card? How to change it back to the original?

Editor to share with you what is the harm of modifying the physical address of the computer network card? How to change it back to the original? I hope you will learn a lot after reading this article. Let's discuss it together.

The harm of modifying the physical address of the computer network card is that sometimes the network connection protocol will not recognize the situation in which the computer cannot be connected to the network. The solution is: first click [my computer-Properties]; then select the [hardware] card and click the properties of [device Manager]; finally, select [does not exist] in the advanced selection.

The MAC address is the physical address of the network card, which is solidified in the chip of the network card and should be unique under normal circumstances.

It is best not to change the MAC address, otherwise sometimes the network connection protocol will not recognize that the computer is unable to connect to the network.

You can change to the original MAC address in the following ways:

1. Right-click "my computer" and select the "Properties" option.

2. Select the "hardware" tab and click "device Manager"

3. Right-click the network card used to surf the Internet in the "device Manager" interface, and select the "Properties" option.

4. In the network card properties interface, select the "Advanced" tab, under the "Properties" bar, find the "locally administrator address" or "network address" options, and select "does not exist" on the right.

After reading this article, I believe you do harm to the modification of the physical address of the computer network card? How to change it back to the original? With a certain understanding, want to know more related knowledge, welcome to follow the industry information channel, thank you for reading!