The wireless button is a sliding one with a light and the light turns blue when I switch wireless, just like always. So it is not that.
I also tried the "Scan for New Hardware" in the Device Manager, but it did not show up. The wireless card itself may not be working. I will probably find out...
I am a college student who normally has his laptop online via a wired connection while at school. But I can also take my laptop home, where I have a wireless router, and have a good wireless connection. I have done this several times, and I have had wireless connections at school as well...