I'll try and make this as clear as I can. Please tell me if I leave stuff out. Ok, my setup is like this: Fiber Modem (PPoE) -> D-Link DGS-2205 switch (port 1)->PC (port 2)-> D-Link DIR-655 (1)-> HTPC (2)-> PS3 (3) -> TV (4) -> A/V Receiver. All are wired connections. All devices have internet access. Both PCs are running Win7 Ult-64. So far I have been unable to gain access to the other PC's files from either PC. The reason I have the switch 1st is because my walls are concrete and I need the wireless to be near where I use my iPod the most. Is there a reason why I cannot share files between PCs with this configuration? And if not, how do I get it to work?