Click dreapta pe My computer > properties > hardware > device manager > vezi daca este instalata placa de retea.
Daca este instalata, probabil e vreo problema... incearca Start > Control Panel > Netwotk and Internet connection > network connection > "create a new connection" (in stanga, sub network tasks) > next> selectezi "Connect to the Internet" > next > selectezi "Set Up my connection manually > apoi selectezi tipul de conexiune > iar apoi te pricepi.
Daca nu e instalata, incearca sa instalezi alt driver
http://www.softpedia...n-Devices.shtml