Need to get pc to recognize the ethernet card!!!

i used to use this pc with a wireles adapter, but now i need to plug it straight into the wall for broadband, but i was on the phone with tech support for surewest all night and they said i just need to get the pc to "see" my NIC. right now it doesnt. have driver cd, tried installing them. nothing. cd will not do autorun either. went into BIOS but cant get into the menu that allows me to enable or disable the ethernet card, i see the menu in product menu but in my bios i dont see it and therefore cannot get to it. what else can i do??? please HELP!!!!