M Diamond wrote Internet works on PC2 but you cannot the router page? Can you ping router's IP successfully? Did you ever connect it directly to your router and access its web interface? Yes, can...

Model : Hardware Version : Not Clear Firmware Version : ISP : I have a small network at home using TP-LINK TP-PA411 powerline adaptors..... PC1 - Desktop (running W7) - connected by cable to router...