Finally reformated computer, but now new issue please assist

So I have succesfully reformated but unfortunately no matter how ahrd I try I can not get a connection to the internet. I use ethernet cables my modem is hooked up to a router leading to my desktop and laptop.

My mother board is a ABIT N18 SLI, I have installed the Chipset from nvidia (Nforce 4)
But no network driver, please assist thank you.
 
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