If I format a machine that's running Ubuntu and install Windows, will the physical network address change?

Question

My ISP binds the access to the physical address of my computer.

I bought a new one yesterday and I had to call them to tell them the new physical address.

Will it change if I format the computer and install Windows?

I know the question is very dumb, but I just want to make sure. :)

Answer 1

No, most ISPs bind the MAC address of your network interface (ethernet port in this case most probably) to stop more than one machine to be added to their network per customer. If you format the hard drive, the MAC address for the network interface will not change, that is coded into the interface when it is manufactured.

Answer 2

Yes, after formatting a computer, some drivers will be lost, including sound, graphics and wireless card drivers. You will need to find out which drivers you need from a support page for your computer or software that finds out the details about a computer's drivers. I use Everest Ultimate free edition; it will give you a list of driver names your computer needed/uses.

After finding the driver name, you will need to search for it on Foogle or another search engine, download it and install it. It's important that you install correct drivers; installing the wrong drivers could mess up your computer's files and damage your computer's BIOS.