I asked a question [http://superuser.com/questions/807020/how-windows-detects-internet-connection][1] and it was marked duplicate of [http://superuser.com/questions/277923/how-does-windows-know-whether-it-has-internet-access-or-if-a-wi-fi-connection-re][2] [1]: http://superuser.com/questions/807020/how-windows-detects-internet-connection [2]: http://superuser.com/questions/277923/how-does-windows-know-whether-it-has-internet-access-or-if-a-wi-fi-connection-re I visited the question and found useful. What should I do next or How can I accept answer ?