We can see DHCP address on ethernet card now. Try http://tplinklogin.net I've noticed now that lan n.2 is always blinking, even when cable isnt connected... This indicates a hardware problem with the...

I can't see DHCP address from router. Please try reset 30/30/30 - http://www.jimasek.elektroda.eu/index.php/poradniki/66-hard-reset-30-30-30

Give me screenshot from ipconfig /all when you have wired connection between router and computer.

Give us screenshot from ipconfig /all when you have wired connection with router. That's all I ask. On your first screen I see ethernet card is disconnected.

Enter DNS addresses in DHCP Settings. After that Save and reboot your router. For example:

What kind of operating system do you have?