50 - Power managementP OWER MA NA GEMENTThis computer has a built-in power management unit that monitorssystem activity. System activity refers to any activity involving one ormore of the following devices: keyboard, mouse, hard disk, peripheralsconnected to the computer, and video memory. If no activity is detectedfor a period of time, the computer stops some or all of these devices inorder to conserve energy.Acer Green Instant OnThe Acer Green Instant On feature allows your computer to wake up fromSleep mode in less than the time it takes to open the lid. When you closethe lid, or select Shut Down > Sleep from the Start menu, your computerenters Sleep mode. While the computer is in Sleep mode, the powerindicator LED will flash orange.After a certain amount of time in Sleep mode, the computer willautomatically enter Deep Sleep to preserve battery life. When thecomputer is in Deep Sleep, the power indicator LED will be turned off. Inthis state, battery life lasts up to 80 days.Open the lid or press any key to wake the computer from Deep Sleep orSleep mode.Note: Once in Deep Sleep the system will consume significantly lesspower compared with Sleep mode, but it will take a little longer towake up from Deep Sleep.