[. . . ] [. . . ] Products that are ENERGY STAR qualified use less energy and prevent greenhouse gas emissions by meeting strict energy efficiency guidelines set by the U. Acer is committed to offer products and services worldwide that help customers save money, conserve energy and improve the quality of our environment. The more energy we can save through energy efficiency, the more we reduce greenhouse gases and the risks of climate change. € Automatically go into “display sleep” and “computer sleep” mode after 15 and 30 minute of inactivity respectively. [. . . ] [. . . ]