naka pc ako papsneed ka nang realteck wireless driver,search mo brand model ng laptop mo paps tapos hanapin mo yong wireless lan driver
if pc yan so naka wifi adapter usb ka paps? need mo IEEE 802.IIn driver nyan paps mahirap talaga hanapin yan pag wala yong cd, try mo driverpack solustion yong old versionnaka pc ako paps