Follow the steps -:
• Click on “RUN”
• Type in “command” and click OK
You should be now at MSDOS prompt Screen
• Type “ipconfig /release” just like that, and press “enter”
• Type “exit” and leave the prompt
Right-click on “Network Places” or “Network to that you are coonected” on your desktop.
• Click on “Network and sharing center”
Now you should be on a screen with something titled “Local Area Connection”, or something similar to that, and, if you have a network hooked up, all of your other networks.
• click on your network that is connected and then click on properties
Double-click on the “Internet Protocol (TCP/IP)” from the list under the “General” tab
• Click on “Use the following IP address” under the “General” tab
• Create an IP address (It doesn’t matter what it is)
• Press “Tab” and it should automatically fill in the “Subnet Mask” section with default numbers.
•Press the “Ok” button here
Hit the “Ok” button again
Now you have a New IP address.