Power-saving modes
There are several modes that you can use at any time to conserve power. This section introduces each
mode and gives tips on the effective use of battery power.
•Screenblankmode(forWindows7only)
Thecomputerdisplayrequiresconsiderablebatterypower.Toturnoffthepowertothedisplayandmake
thecomputerenterscreenblankmode,right-clickthebattery-gaugeiconinthewindowsnotificationarea
andselectPoweroffdisplay.
•Sleepmode
Insleepmode,yourworkissavedtomemory,andthenthestoragedriveandthecomputerdisplayare
turnedoff.Whenyourcomputerwakesup,yourworkisrestoredwithinseconds.
Toputyourcomputerintosleepmode,pressFn+4.
Youalsocanputthecomputerintosleepmodebydoingthefollowing:
–ForWindows7:OpentheStartmenu,clickthearrownexttotheShutdownbutton,andthenclick
Sleepfromthemenudisplayed.
–ForWindows10:OpentheStartmenu,click
Power,andthenclickSleep.
•Hibernationmode
Byusingthismode,youcanturnoffyourcomputercompletelywithoutsavingfilesorexitingany
programsthatarerunning.Whenthecomputerentershibernationmode,allopenprograms,folders,and
filesaresavedtothestoragedevices,andthenthecomputerturnsoff.
Toputthecomputerintohibernationmode,dothefollowing:
–ForWindows7:OpentheStartmenu,clickthearrownexttotheShutdownbutton,andthenclick
Hibernatefromthemenudisplayed.
–ForWindows10:Definewhatthepowerbuttondoesfirst,andthenpressthepowerbuttontoputthe
computerintohibernationmode.Formoreinformation,see“Frontviewformodelswitha2Dcamera”
onpage1or“Frontviewformodelswitha3Dcamera”onpage3.
Ifyouputyourcomputerintohibernationmodewiththewake-upfunctiondisabled,thecomputerdoes
notconsumeanypower.Thewake-upfunctionisdisabledbydefault.Ifyouputyourcomputerinto
hibernationmodewiththewake-upfunctionenabled,thecomputerconsumesasmallamountofpower.
Toenablethewake-upfunction,dothefollowing:
1.GotoControlPanelandclickS
ystemandSecurity.
2.ClickAdministrativeTools.
3.ClickTaskScheduler.Ifyouarepromptedforanadministratorpasswordorconfirmation,typethe
passwordorprovideconfirmation.
4.Fromtheleftpane,selectthetaskfolderforwhichyouwanttoenablethewake-upfunction.The
scheduledtasksaredisplayed.
5.Clickascheduledtask,andthenclicktheConditionstab.
6.UnderPower,selectthecheckboxforWakethecomputertorunthistask.
•Wirelessoff
Whenyouarenotusingthewirelessfeatures,suchasBluetoothorwirelessLAN,turnthemoff.Thishelps
conservepower.Toturnoffthewirelessfeatures,pressthewireless-radioscontrolkey
.
Chapter2.Usingyourcomputer27