Download and install the latest version of the lenovo g40-70 drivers windows 10 (64-bit) audio, bios, network, vga, firmware and software. Notebook lenovo ideapad g40-30 (g4030) full hardware support for ms windows 7 / windows 8.1 (64-bit), so it is recommended to use it as the main system. the published set of drivers present versions for microsoft windows 7 / windows 8.1 (64-bit).. Home