Problem with Underground 2

Hello,

i have in my apartament 1 pc and 1 laptop;;;me and my friend want to play underground 2 in Lan
On the pc works,,,no problem,,,i play with other guys,,,it`s ok
But,,when my friend want to In with me,,,,it say so,,,You have lost your connection to the EA Server, Please make sure your network adaptor and network cable are plugged in; Whould you like to reconnect ?

but the internet works on laptop,,,but canot connect in Lobby