Changed my os from windows 8 to windows 7 ultimate 64 bit on a hp pavilion 15-n003tx notebook pc . lost wi-fi connectivity. no network adapter recognised. checked device manager: no drivers for: ethernet controller; network controller; pci device; pci simple communication controller; sm bus. Realtek ethernet driver windows 10 free download - realtek ethernet lan driver for windows 10, realtek rtl gigabit and fast ethernet nic driver (windows 2000/xp/xp 64-bit), realtek rtl8139 family. Installs the intel
