Easy way is to open the case and see what is marked on the card,
If your Network adapter is built into your motherboard, what is the brand and model of your machine.
If it is a homebrew, you can get the motherboard data with this program. http://www.belarc.com/free_download.html
If it is branded PC, i.e. Dell, Hp, Compaq, let us know what brand and model.
Get us this info and we can find your drivers that you need.
Good luck!
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