2 of our 3 xp router hard wired lan pcs see each other. 1 cannot even ping its own IP even though it connects to the Internet just fine. I've done the typical troubleshooting. It's the newest and strongest PC of the 3.

I have three computers in my house that are all connected to a network through a lynksys router. This is not a wireless router, they all have ethernet cables connected to the router. My girlfriend has a brand new dell laptop with a wireless network adapter and it also came with a wireless router....

I thought I know something about networking but when I have to network my PCs, I can't... I need help guys I guess there such thing as series and parallel connection about net working just like in electrical am I right?. Here where it started, from now on I just have 2 PCs, needed to connect... 1...