Use of campus network, usually use campus network client to log in again after connect the wifi, but recently have been not login in, when there are cables can log in, but can't login without cables with wifi, asked classmates in the same place, they are landing on, not only I, prompt after each connected wi-fi "unrecognized network, unable to connect to the Internet", tried to change the network Settings online also hasn't been successful, using 360 network repair also not line, now hot to go out to open my computer, I too difficult, everybody to help me,