Turn on both computers.
Go to computer 1 and click the start button
Select run
Type in: cmd (or if the is Windows 95,98 or ME: command)
In the window that appears type: ipconfig /release
This will clear the IP address on the 1 computer
Repeat on second computer
Now that both computers have been cleared of IP inforamtion,
Go to computer 1 and type: ipconfig /renew
The computer will get a new IP address
Repeat on second computer
You should now have different IP addresses on each of the computers
Happy Interneting...
(Oh, to talk to someone, click on their screen name link right under their picture. If they have their profile set up to accept messages, you will be able to e-mail them)