How to Quickly Renew Your IP address on Windows 7

How to renew your IP address on Windows 7 when your mum accidently knocks the power lead out of the router and modem.
Goto:

Start Menu
Search for programs and files
Type in “Run”
then Type in “cmd” in the next box.

Then command prompt will open and type the following:
“ipconfig /renew”

This will renew all IP address for all the adapters connected.