Wi-Fi is always showing that you are getting a network address and cannot surf the internet

In the home is also good, but also wireless connection, no problem, and even other infinite network is no problem, is the dorm wireless is not even on, the password is correct, other people computer and mobile phone can connect, help!!! What the hell is wrong, right, my computer has been re-installed, but even other network network is not a problem. It's not going to start again.

Previously able to connect, repair shows that the IP address cannot be renewed

Assign IP manually.

192.168.1.100--255 (as long as you are different from others)
255.255.255.0
192.168.1.1
Other non-filled
After determination. Change back to Auto get
And then try the connection again.

Http://zhidao.baidu.com/question/553394002.html

Wi-Fi is always showing that you are getting a network address and cannot surf the internet