Win 7 network adapter not recognized

I installed windows 7 through bootcamp. Now it does not recognize the network adapter to connect to the internet. It is asking to install drivers. Any idea where can I find drivers to connect to the internet? I also tried connecting the ethernet cable and it did not work. Thanks.

Just to be sure I understand.
Do you have Windows 7 installed on a Boot Camp partition on your MacBook Air? If so,
Which exact version of OS X and Windows 7 are you using?
Which version of Boot Camp (3.0 or 4.0) are you using?
Did you partition the MacBook Air's internal HDD using the Boot Camp Assistant?

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