Go to START,RUN then type CMD and then click OK and a DOS window appears.
At the prompt type ping xx.xx.xx.xx and then hit the enter key on your keyboard.
X equals the IP of your no 1 PC Keith.
If you are not sure what no 1 PCs IP is,if you go to network connections and clcik on LAN it should show you an IP address at the bottom left side of the window :doggie: