okay, so you formatted and re-installed windows correct?
okay no problem.....
is this a laptop or desktop?
wifi or wired (ethernet ) ?
more info please......
You need the NIC driver. Go to the manufacturer's website (assuming you didn't out the computer together yourself) and find the support page for the model of computer. Then find the download and get the nic driver and wireless driver if you're using a laptop. Put them on a thumb drive and run them under you're new install of Windows. Then it could give you network access again.
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