IP 192.168.0.1 is your router admin settings address.The default username and password of 192.168.0.1 are Admin,but someone can not open the ip address 192.168.0.1, why? Now , i will give your answers!
1.You have to make sure that you are in a local area network with the router.Check your IP address is 192.168.0.2 or 192.168.0.x (x=1 to 255).
2.Open the cmd window,enter ping 192.168.0.1,if you get the feedback information,then it can be connected.
3.If you can not get the feedback information, the ip address of your wireless router have been changed.
4.If the ip address 192.168.0.1 have been changed,you can reset the router by holding the reset button for 15 minutes, then the router will restart, the ip address will be changed to 192.168.0.1.
5.Your wireless router’s default ip address is not 192.168.0.1,it might be 192.168.1.1.