Consider me a computer noob here Esp when it comes to hardware stuff. I am having problem getting wifi bars in my room upstairs. I am getting 2 out of 5 bars, while my cable modem is downstairs. I know there is something called a booster that plugs into the wall socket and maybe provides a signal bounce. I saw some on amazon. I found a 802.11 wlan USB thing from Trendnet lying around. I actually have no idea what this thing is or what it does. I inserted it into the MBP and in the Device mgr it is showing as :- - ? Other devices -------- ? 802.11 n wlan My question is :- Inserting it into the USB port of the macbook pro and installing its driver. What will this do ?