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Maximizingthebatterylife
Tomaximizethelifeofthebattery,dothefollowing:
•Usethebatteryuntilthechargeiscompletelydepleted;thatis,usethebatteryuntilthebatterystatus
indicatorstartsblinkingorange.
•Rechargethebatterycompletelybeforeusingit.Thebatteryisfullychargedifthebatteryindicatorshows
greenwhentheacpoweradapterispluggedin.
•Alwaysusepowermanagementfeaturessuchaspowermodes,screenblank,sleep,andhibernation.
Managingthebatterypower
Toachievethebestbalancebetweenperformanceandpowersaving,adjustyourpowerplansettings.
Toaccesspowerplansettings,dothefollowing:
•ForWindows7:StartthePowerManagerprogramandthenclicktheBatterytab.Forinstructionson
howtostartthePowerManagerprogram,see“AccessingLenovoprogramsontheWindows7operating
system”onpage16
.
•ForWindows8:GotoControlPanelandclickPowerOptions.
Formoreinformation,refertothehelpinformationsystemoftheprogram.
Power-savingmodes
Thereareseveralmodesthatyoucanuseatanytimetoconservepower.Thissectionintroduceseach
modeandgivestipsontheeffectiveuseofthebatterypower.
Introducingthepower-savingmodes
•Screenblank(fortheWindows7operatingsystemonly)
Thecomputerdisplayrequiresconsiderablebatterypower.Toturnoffpowertothedisplay,right-clickthe
batterygaugeiconfromtheWindowsnoticationareaandselectPoweroffdisplay.
•Sleep
Insleepmode,yourworkissavedtomemory,andthentheharddiskdriveandthecomputerdisplayare
turnedoff.Whenyourcomputerwakesup,yourworkisrestoredwithinseconds.Toputyourcomputer
intosleepmode,dothefollowing:
–ForWindows7:
1.ClickStart.
2.ClickthetrianglemarkontherightsideoftheShutdownicon;thenselectSleep.
–ForWindows8:
1.Movethecursortothebottomrightcornerofthescreentobringupthecharm.
2.ClickSettings➙Power➙Sleep.
Dependingonthecomputermodel,yourcomputermightsupportthe30DayStandbyfunction.Whenthis
functionisenabled,thecomputerconsumesevenlesspowerinsleepmodeandtakesonlyseconds
toresumenormaloperationwhenyoupressthepowerbutton.Formoreinformationaboutthe30Day
Standbyfunction,dothefollowing:
–ForWindows7:RefertothehelpinformationsystemofthePowerManagerprogram.Forinstructions
onhowtostartthePowerManagerprogram,see“AccessingLenovoprogramsontheWindows7
operatingsystem”onpage16
.
–ForWindows8:OpentheLenovoSettingsprogramandclickPower.
•Hibernation
Byusingthismode,youcanturnoffyourcomputercompletelywithoutsavinglesorexitingfromany
32UserGuide
- UserGuide 1
- FirstEdition(April2013) 2
- Contents 3
- Readthisrst 7
- Importantsafetyinformation 8
- Safetyguidelines 9
- Powercordsandpoweradapters 10
- Plugsandoutlets 11
- Powersupplystatement 11
- Externaldevices 12
- Generalbatterynotice 12
- Rechargeablebatterynotice 12
- Lithiumcoincellbatterynotice 13
- Heatandproductventilation 13
- Lasercompliancestatement 15
- Usingheadphonesorearphones 15
- Additionalsafetyinformation 16
- Chapter1.Productoverview 17
- TrackPoint 18
- Powerbutton 18
- ThinkPadEdgeE545frontview 19
- 6Mediacardreaderslot 20
- 9Powerbutton 20
- Right-sideview 21
- 3Opticaldrive 22
- 4Ethernetconnector 22
- 5acpowerconnector 22
- Left-sideview 23
- Bottomview 24
- Rearview 25
- Statusindicators 25
- Powerstatusindicator 26
- Machinetypeandmodellabel 27
- 12UserGuide 28
- CerticateofAuthenticitylabel 29
- Features 29
- Specications 30
- Operatingenvironment 31
- Lenovoprograms 31
- Chapter1.Productoverview17 33
- Chapter1.Productoverview19 35
- 20UserGuide 36
- Chapter2.Usingyourcomputer 37
- Specialkeys 39
- ThinkPadEdgeE445specialkeys 39
- ThinkPadEdgeE545specialkeys 41
- 3Windowskey 43
- 2Numerickeypad 43
- 1Additionalshortcutkeys 43
- Chapter2.Usingyourcomputer27 43
- Usingthetouchpad 45
- Powermanagement 46
- Checkingthebatterystatus 46
- Usingtheacpoweradapter 47
- Chargingthebattery 47
- Maximizingthebatterylife 48
- Managingthebatterypower 48
- Power-savingmodes 48
- Handlingthebattery 49
- Connectingtothenetwork 51
- Ethernetconnections 51
- Wirelessconnections 51
- UsingBluetooth 52
- Chapter2.Usingyourcomputer37 53
- Presentationsandmultimedia 54
- Changingdisplaysettings 54
- Usinganexternalmonitor 55
- Usingaprojector 56
- UsingtheExtenddesktopfunction 56
- Usingaudiofeatures 57
- Usingtheintegratedcamera 58
- Usingtheopticaldrive 58
- Usingaashmediacard 58
- Insertingaashmediacard 59
- Removingaashmediacard 59
- 44UserGuide 60
- Chapter3.Youandyourcomputer 61
- Accessibilityinformation 62
- Travelingwithyourcomputer 63
- Traveltips 63
- Travelaccessories 63
- Chapter4.Security 65
- Power-onpassword 66
- Harddiskpasswords 66
- Chapter4.Security51 67
- Supervisorpassword 68
- Chapter4.Security53 69
- Harddisksecurity 70
- Usingrewalls 71
- Protectingdataagainstviruses 71
- 56UserGuide 72
- Chapter5.Recoveryoverview 73
- Chapter5.Recoveryoverview59 75
- Creatingandusingarescuemedium 76
- Solvingrecoveryproblems 77
- .Recoveryoverview63 79
- 64UserGuide 80
- Chapter6.Replacingdevices 81
- Replacingtheharddiskdrive 83
- 68UserGuide 84
- 1,andthenreinstallthescrews2 85
- Chapter6.Replacingdevices69 85
- Replacingtheopticaldrive 86
- ThinkPadEdgeE445 86
- 6.Pullouttheopticaldrive 87
- 2.Reinstallthescrew 87
- .Replacingdevices71 87
- ThinkPadEdgeE545 88
- Chapter6.Replacingdevices73 89
- Chapter6.Replacingdevices75 91
- 76UserGuide 92
- Replacingamemorymodule 93
- Replacingthekeyboard 95
- Chapter6.Replacingdevices81 97
- .Replacingdevices83 99
- Replacingthebackupbattery 100
- 1,andthenremovethecover2 101
- Chapter6.Replacingdevices85 101
- 1.Thenattachtheconnector2 102
- 1.Thentightenthescrew2 102
- Replacingthethermalfan 103
- 88UserGuide 104
- 1.Thentightenthescrews2 105
- Chapter6.Replacingdevices89 105
- 90UserGuide 106
- Chapter7.Advancedconguration 107
- ThinkPadSetup 110
- Mainmenu 111
- Congmenu 111
- 96UserGuide 112
- .Advancedconguration97 113
- Date/Timemenu 114
- Securitymenu 115
- 100UserGuide 116
- .Advancedconguration101 117
- Startupmenu 118
- 104UserGuide 120
- Restartmenu 121
- UpdatingyoursystemUEFIBIOS 121
- 106UserGuide 122
- Chapter8.Preventingproblems 123
- Takingcareofyourcomputer 124
- 112UserGuide 128
- Diagnosingproblems 129
- Troubleshooting 129
- Computerstopsresponding 129
- Spillsonthekeyboard 130
- Errormessages 130
- Errorswithoutmessages 132
- Beeperrors 133
- Memorymoduleproblems 134
- Networkingproblems 134
- AwirelessLANproblem 135
- Bluetoothproblems 135
- Keyboardproblems 136
- Computerscreenproblems 137
- Externalmonitorproblems 138
- Audioproblems 140
- Batteryandpowerproblems 141
- Anacpoweradapterproblem 142
- Powerproblems 142
- Apowerbuttonproblem 143
- Bootproblems 143
- Sleepandhibernationproblems 143
- Harddiskdriveproblems 144
- Opticaldriveproblems 145
- Asoftwareproblem 146
- Chapter10.Gettingsupport 147
- Gettinghelpandservice 148
- Usingdiagnosticprograms 148
- LenovoSupportWebsite 148
- CallingLenovo 148
- FindingThinkPadoptions 149
- Purchasingadditionalservices 149
- 134UserGuide 150
- Wirelessrelatedinformation 151
- 2WirelessLANantenna(main) 152
- Exportclassicationnotice 153
- Electronicemissionnotices 153
- Directive 154
- 140UserGuide 156
- ImportantWEEEinformation 157
- Japanrecyclingstatements 157
- RecyclinginformationforBrazil 158
- RecyclinginformationforChina 159
- 144UserGuide 160
- ©CopyrightLenovo2013 161
- 5.ClickthePowerManagementtab 162
- 7.ClickOK 162
- 146UserGuide 162
- AppendixD.Notices 163
- Trademarks 164
- EuropeanUnionRoHS 165
- ChinaRoHS 165
- TurkishRoHS 165
- UkraineRoHS 166
- IndiaRoHS 166
- 152UserGuide 168
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