I plugged in an Edimax N150 adapter. (I was using "Jessie"). In the upper right hand corner, there was a applet with two computers next to each other. I assumed that was the network symbol, but when I clicked on it, it said "No wireless interface found" and something like, "wlan not associated". I ran a few commands in the terminal and it showed that the kernel (Driver or something) was loaded for it, it could detected by the raspberry Pi. I messed around with "sudo nano /etc/network/interfaces" and "sudo nano /etc/wpa_supplicant/wpa_supplicant.conf" according to some instructions on websites that I found while google-ing, but when I type "sudo ifup wlan0" it states that it couldn't start. Do I need to install some drivers or something? And, what happened to "wpa_gui"?(wpa_gui returns command not found). Should I try Wheezy instead of Jessie? I am using a raspberry Pi 2. Please help.
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