This Page shows how to check network configuration in windows:-

1.Go to--------> control panel

2.Click on---->  Network & Internet connection

3. Go to----> Network Connection

4.Right Click on--------> Local area Network

5.Go to Proterties------>left Click

6.Select-----> Internet Protocol(TCP/IP)

7.Click on-------->  Properties

NOTE :- Now,You can check your IP ADDRESS,SUBNET MASK,DEFAULT GATEWAY,DNS SERVER  & change it, If it is incorrect ,You can find this details on the link below.

Resnet  IP Allocation