Whats A Switching Adaptor My Wireless Adaptor Is Not Working??

My wireless adaptor is not working?? - whats a switching adaptor

I had a laptop and wireless adapter in my computer that connects to the bottom of the modem does not work construction. In general, it is blue when I switch it on, even if no Internet connection. My computer has recently expirred guarantee that if you do something with it. But I do not get whats up! It's boring.