How to find Your Computer MAC Address

In this quick guide I will show you how to find your computer’s Media Access Control (MAC) address under Windows XP. The MAC address is a unique identifier for your Network Interface Card (NIC) and allows your computer to be uniquely identified when receiving packets (or data) from other computers. It’s basically one of the ways computers communicate with each other. Finding your MAC address is important if you want to secure your home or business network as you can filter the access to your network by the MAC addresses of your computers. For example, if you had three computers in your network then you tell your router to only allow the three MAC address of the computers to access the network and block all other MAC addresses. Let’s get started on this easy tutorial.


1. Go to the Start button and click it.

2. Now under the Start Menu go to All Programs -> Accessories -> and then click on Command Prompt.

3. Once you’ve clicked the Command Prompt icon you will see a black box with a flashing cursor called Command Prompt.

4. Now type in “ipconfig /all” and press Enter. You should now see a whole bunch of information in the black box.

5. Now look for the line that says Ethernet adapter Local Area Connection and search for the line that says Physical Address. To the left you will see a group of 12 numbers and letters separated by a dash. This is the MAC address of your ethernet adapter.

6. After you’ve noted down your MAC address you can close the Command Prompt by typing in “exit” and then press Enter. It’s that simple.


– If you have a wireless card in your desktop or laptop computer then you will see two MAC address. One for the local area connection adapter and one for the wireless adapter.

That’s it! It’s really that simple. We hope the tutorial “How to find Your Computer MAC Address” using Windows XP has helped you with your computer repair issue.

You can watch this tutorial on video by clicking the play button below. For the full screen version click the second button from the right on the video.


If you need more help regarding this Windows XP “How to find Your Computer MAC Address” tutorial then let us know by visiting our Repair Questions page.