DNS failed error in WiFi network

[harsh]

When I am accessing wifi network I get dns failed error message. what is the problem? pls help

 

[DelJo63]

Can you connect using a wired connection?
Get a command prompt and enter

ipconfig /all >myTCP.txt​

then open that file, copy the contents and paste into your follow-up

 

[harsh]

Can you manage my system by teamviewer pls help me..I am facing to wifi network access.it is connect but I can`t access it.