manual update:https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/lenovo-g-series-laptops/lenovo-g580-notebook/20150/downloads/driver-list/component?name=Display%20and%20Video%20Graphicsnebo automatic driver update:https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/lenovo-g-series-laptops/lenovo-g580-notebook/20150/downloads/automatic-driver-update