Windows 7 won't connect to the Internet

I downloaded windows 7 today and when I try to connect...there are no wireless internet to choose from. so I hit the trouble shoot button and it tells me to"use the switch on the front I'd side of your computer,or function keys if available, to enable wireless capabilities on theis computer"...I don't have a switch and can't find info on the function keys part...has anyone else had this prob or know how to fix it??? please respond soon.