|How are you connected to the router, wired or wirelessly?|
Check, whether you got a valid ip address, by using ipconfig /all.
Therefore, open a command prompt (click Start / Run and type CMD then click ok).
In the command prompt window type:
You should hopefully see an assigned ip address of 192.168.x.x.
Best is, you post the output of ipconfig /all here for review.
The original poster should always write the last response !!!
Let us know, if the problem is solved !!!