The identifier on your Lenovo motherboard is not actually the model number. It is an ACA supplier code
If your system is already running Windows, you likely have or System Update installed. Open the Start menu and search for Lenovo Vantage . Go to System Update > Check for Updates . Review the list and click Install Now . Important Driver Types for Motherboards How to install drivers manually - Lenovo Support MY lenovo n1996 motherboard drivers