User guide

Ifanacoutletisconvenient,plugtheacpoweradapterintoit,andtheninserttheconnectorintothe
computer.Thebatterywillbefullychargedinaboutthreetosixhours.Thechargingtimeisaffectedbythe
batterysizeandthephysicalenvironment.Youcancheckthebatterychargingstatusatanytimethroughthe
batterystatusiconintheWindowsnoticationarea.
Note:Tomaximizethelifeofthebattery,thecomputerdoesnotstartrechargingthebatteryiftheremaining
powerisgreaterthan95%.
Maximizingthebatterylife
Tomaximizethelifeofthebattery,dothefollowing:
•Usethebatteryuntilthechargeiscompletelydepleted.
•Rechargethebatterycompletelybeforeusingit.Youcanseewhetherthebatteryisfullychargedfromthe
batterystatusiconintheWindowsnoticationarea.
•Alwaysusepower-savingmodes,suchassleepmode,andhibernationmode.
Managingthebatterypower
Toachievethebestbalancebetweenperformanceandpowersaving,adjustyourpowerplansettings.
Toaccesspowerplansettings,dothefollowing:
•ForWindows7:StartthePowerManagerprogramandthenclickthePowerPlantab.Forinstructionson
howtostartthePowerManagerprogram,see“AccessingLenovoprogramsontheWindows7operating
system”onpage14
.
•ForWindows8:Right-clickthebatterystatusiconfromtheWindowsnoticationareaandclickPower
Options.ThenclickChangeplansettingsnexttoyourpowerplan.
Formoreinformation,refertothehelpinformationsystemoftheprogram.
Power-savingmodes
Thereareseveralmodesthatyoucanuseatanytimetoconservepower.Thissectionintroduceseach
modeandgivestipsontheeffectiveuseofbatterypower.
•Screenblankmode(forWindows7only)
Thecomputerdisplayrequiresconsiderablebatterypower.Toturnoffthepowertothedisplayand
makethecomputerenterscreenblankmode,right-clickthebatterygaugeiconfromtheWindows
noticationareaandselectPoweroffdisplay.
•Sleepmode
Insleepmode,yourworkissavedtomemory,andthenthesolid-statedriveortheharddiskdriveandthe
computerdisplayareturnedoff.Whenyourcomputerwakesup,yourworkisrestoredwithinseconds.
Dependingonthemodel,yourcomputermightsupportthe30DayStandbyfunction.Whenthisfunction
isenabled,thecomputerconsumesevenlesspowerinsleepmodeandtakesonlysecondstoresume
normaloperationwhenyoupressthepowerbutton.Formoreinformationaboutthe30DayStandby
function,dothefollowing:
–ForWindows7:RefertothehelpinformationsystemofthePowerManagerprogram.Forinstructions
onhowtostartthePowerManagerprogram,see“Lenovoprograms”onpage14.
–ForWindows8:OpentheLenovoSettingsprogramandclickPower➙30DayStandby.
Toputyourcomputerintosleepmode,dothefollowing:
–ForWindows7:UsetheStartmenushutdownoption.
–ForWindows8:Movethecursortothebottomrightcornerofthescreentobringupthecharms.
ThenclickSettings➙Power➙Sleep.
Chapter2.Usingyourcomputer29