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What is MAC address? How to Change MAC Address

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What is MAC Address –

he Media Access Control Address (MAC Address) of the computer is a unique identifier assigned to the network interface for communication with the data link layer of the network section.

In short a MAC address as a unique serial number assigned to the network. Any device that can connect to the internet has a network card. It can be your computer, smartphone, tablet even an internet TV. And if it has a network card then the network card has a unique MAC Address associated with it. Which is hard-coded into it, at time of manufacturing it.

So a MAC address is a string of numbers that are unique to each device. There have some reasons that two devices don’t have the same mac address. For instance, If I want to block any computer on my internet, then I merely block their MAC Address. Or if I want to track a device on my wi-fi then I will trace the device MAC Address. So because of MAC Address, we can identify which device is which.

Even though the MAC address is hardwired in your network card. You can still change MAC Address with the help of software. Now, one thing that I would like to make clear is- changing MAC Address is not illegal, but what you do with it may and may not.

How to Change MAC Address –

Since we have more than one network card like – one for the Wi-Fi and one for the ethernet, you will most likely to have multiple MAC Addresses. So, first, we’ll have found out which MAC Adress would you like to change. To do this –

  • Open up your command prompt.
  • Then Type in ipconfig/all
  • And then you’ll see a couple of Physical address. These are all your MAC address.
  • One that has IP address associated with it is the one; you are using right now. If you are using internet from Wi-Fi, then the Physical Address of Wireless LAN adapter Wi-Fi will be MAC address of your Wi-Fi adapter.

find mac address

Let’s assume I want to change MAC Address of this network adapter. So take a note of this Address and then –

  • Open up Device Manager of your computer.
  • Then go to Network Adapter.
  • Here find your Network card and right-click on it to go to its properties.
  • A new window will pop-up. Form their go to the Advanced tab.
  • After that select Network Address. If your network Adapter doesn’t support changing of MAC address then this option will be no available to you. But most of them they allow it.
  • Now tap on the value field and enter the new MAC Address without any special character or colon in between. I usually use the same MAC Address and replace the last two or one character. This is easy to remember and don’t cause any conflict on the network. But you can always use whatever MAC Address you want.
  • After changing the value click OK to save changes.
  • Now you have successfully change MAC Address.

change mac address

NOTE: This is just temporary, if you restart your system then your computer will shift the old MAC Address. If you want to change MAC address permanently, then you can use a software like Technitium MAC Address Changer.

“What is MAC address? How to Change MAC Address”

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