56 - Power managementP OWER MANAGEMENTThis computer has a built-in power management unit that monitors systemactivity. System activity refers to any activity involving one or more of thefollowing devices: keyboard, mouse, hard disk, peripherals connected tothe computer, and video memory. If no activity is detected for a period oftime, the computer stops some or all of these devices in order to conserveenergy.Acer Green Instant OnNote: For selected models only.The 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 leave your computer for a while, your computer enters Sleepmode. While the computer is in Sleep mode, the power indicator LED willflash orange.Open the lid or press any key to wake the computer from Sleep mode.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 remains ready to use for many weeks.Press the power button to wake up from Deep Sleep.