: Scroll down and click the little arrow next to Network adapters .
Locate system software on the Lenovo Technical Support Page. Check matching models on the Acer Service and Support Page. 2. Official Chipset Driver Alternatives : Scroll down and click the little arrow
Right-click the installer and select "Run as administrator." Manual Install (if necessary): Extract the driver files. Windows 7 can detect unknown devices.
Even without drivers installed, Windows 7 can detect unknown devices. : Scroll down and click the little arrow