Hi, lose the automatically detect settings under "LAN" this is not want you want. Then go to device manager (start search devmgmt.msc) and locate your network card right click select uninstall if prompted do not uninstall the drivers reboot to take effect . Now go to start all programs accessories and right click on command prompt select "run as administrator" at the prompt type:-
Code:
netsh int ip reset press enter restart to take effect
Let us know how you get on.