aslaam u elakim sab bhaion ko.dears meray pass dell ka lap top hai .us main sirf aik hi usb port hai.aur main usb cable kay zareiy dial up connection use karta hoon.for inertnet.abb main webcam kharidi hai aur sath main universal usb contoroler be.jis say 4 usb connection nekaltay hain.main control panel say add hardwear kay zariay instal kia hai.instal to hogia hai likan donoon kaam nahin karaty.sirf webcam kaam karti hai.pls help me.thank.