Take a look at this:
It should walk you through getting ndiswrapper configured.
You should do an Internet search for your specfic NIC model number, version number and "Linux". Some of these NICs also require a firmware upgrade/mod. Also keep in mind that the version number of the NIC is critical since different versions of the same model can sometimes have completely different chipsets inside.
You'll want to make sure that ndiswrapper is your only option - it's really a last resort. Also, if using it, make sure you have the latest Windows driver for that NIC.