[Pizzamanxl]

As the title says, why doesn't changing my network interface card change my MAC address?

Running windows 7

[StevoLime]

Are both NICs the same model? or are they 2 seperate models?

[Maurice Moss]

Changing your NIC does change your MAC address because it's a different NIC. Are you perhaps referring to the MAC address in your router?

[lllypop2099]

Not tried it but if you want to save changing NIC

http://www.irongeek.com/i.php?page=security/changemac

[Pizzamanxl]

Are both NICs the same model? or are they 2 seperate models?

They are both the same models.

[Maurice Moss]

They are both the same models.

In that case, your MAC is most likely going to be similar but it shouldn't be exactly the same.