hello, I have bsnl type 2 modem. Nokia Siemens residential router 1600. I connected it to my desktop. but I couldn't connect it to my compaw presario v3155au laptop through wi-fi, because my lap do nt have any wiresless setting. can i get wifi software for my lap?. I even cant connect through cable also. In my lap there are signals of connection..Please me to connect the lap through wi fi as well as cable. requesting needful. thank you