|Before you do anything else, check to ensure both PC's network interface are set to "obtain an IP address automatically" (DHCP) and reboot them and test both for connectivity.|
If they both work, we're done. If the one still doesn't work, open a command prompt window on both (ie: Start >> Run >> type cmd and hit Enter) and perform the following command on both:
Post the output in a response here.
Click on my name above in my response and read my "how-to" titled. "Post the output of ipconfig (version 2)" for info on the easy way to copy/paste the data in a command prompt window.
It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.