Lenovo ThinkPad 11e User Manual Page 47
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Powermanagement
Thepowertorunyourcomputercomeseitherfromtheacpowerprovidedbytheacpoweradapterofyour
computer,orfromthelithium-ion(Li-ion)batteryprovidedwithyourcomputer.Whileyouuseacpower,the
batterychargesautomatically.
Whenyouuseyourcomputerawayfromelectricaloutlets,youdependonbatterypowertokeepyour
computerrunning.Differentcomputercomponentsconsumepoweratdifferentrates.Themoreyouusethe
power-intensivecomponents,thefasteryouconsumebatterypower.
Usingtheacpoweradapter
Theacpoweradapterthatcomeswithyourcomputerhastwobasiccomponents:
•Thetransformerpackthatconvertsacpowerforusewiththecomputer.
•Thepowercordthatconnectstotheacoutletandtothetransformerpack.
Attention:Usinganimproperpowercordcouldseverelydamageyourcomputer.
Connectingtheacpoweradapter
Toconnecttheacpoweradapter,dothefollowing:
Note:Ensurethatyouperformtheactionsintheorderinwhichtheyarelisted.
1.Connectthepowercordtothetransformerpack.
2.Connecttheacpoweradaptertothepowerconnectorofthecomputer.
3.Connectthepowercordtoanelectricaloutlet.
Tipsforusingtheacpoweradapter
•Whentheacpoweradapterisnotinuse,disconnectitfromtheelectricaloutlet.
•Donotbindthepowercordtightlyaroundthetransformerpackwhenthepowercordisconnectedto
thetransformerpack.
•Ifthebattery-statusiconintheWindowsnotificationareashowsthatthebatterypowerremainingislow,
youcanchargethebatterywhentheacpoweradapterisconnectedtothecomputer.
Note:Beforeyouchargethebattery,makesurethatthebatterytemperatureisatleast10°C(50°F).
Checkingthebatterystatus
Thebattery-statusiconintheWindowsnotificationareashowsthepercentageofbatterypowerremaining.
Therateatwhichyouusebatterypowerdetermineshowlongyoucanusethebatteryofyourcomputer
betweencharges.Becauseeachcomputeruserhasdifferenthabitsandneeds,itisdifficulttopredicthow
longabatterychargewilllast.Therearetwomainfactors:
•Howmuchenergyisstoredinthebatterywhenyoubegintowork.
•Thewayyouuseyourcomputer.Forexample:
–Howoftenyouaccesstheharddiskdriveorsolid-statedrive.
–Howbrightyoumakethecomputerdisplay.
–Howoftenyouusethewirelessfeatures.
Tocheckfordetailedbatterystatusinformation,dothefollowing:
Chapter2.Usingyourcomputer31
- UserGuide 1
- SecondEdition(May2014) 2
- Contents 3
- Readthisfirst 7
- Importantsafetyinformation 8
- Serviceandupgrades 9
- Powercordsandpoweradapters 10
- Plugsandoutlets 11
- Powersupplystatement 11
- Externaldevices 12
- Generalbatterynotice 12
- Lithiumcoin-cellbatterynotice 12
- Heatandproductventilation 13
- Usingheadphonesorearphones 15
- Additionalsafetyinformation 15
- Chapter1.Productoverview 17
- Proximitysensor2Microphone 18
- Camera-in-useindicator4Camera 18
- Touchpad8Windowsbutton 18
- Multi-touchscreen 18
- Right-sideview 19
- USB3.0connector 20
- HDMI™connector 20
- Security-lockslot 20
- Left-sideview 21
- 4Audioconnector 22
- 5Mediacardslot 22
- Rearview 23
- Statusindicators 23
- Machinetypeandmodellabel 25
- GenuineMicrosoftlabel 26
- Features 27
- Specifications 28
- Lenovoprograms 29
- Lenovoprogramsoverview 31
- Chapter1.Productoverview17 33
- 18UserGuide 34
- Chapter2.Usingyourcomputer 35
- 1Windowskey 36
- 2Functionkeys 36
- Usingthetouchpad 37
- Rotatingthecomputerdisplay 38
- Notebookmode 38
- Standmode 39
- Tabletmode 40
- Tentmode 41
- Usingthetabletbuttons 42
- Usingthemulti-touchscreen 43
- 28UserGuide 44
- .Usingyourcomputer29 45
- Powermanagement 47
- Usingtheacpoweradapter 47
- Checkingthebatterystatus 47
- Chargingthebattery 48
- Managingthebatterypower 48
- Power-savingmodes 48
- Maximizingthebatterylife 49
- Connectingtothenetwork 50
- Ethernetconnections 50
- Wirelessconnections 50
- Chapter2.Usingyourcomputer35 51
- Presentationsandmultimedia 52
- Changingdisplaysettings 52
- Usinganexternalmonitor 52
- Chapter2.Usingyourcomputer37 53
- Usingaprojector 54
- Usingdualdisplays 54
- Usingaudiofeatures 55
- Usingthecamera 55
- Usingaflashmediacard 56
- Installingaflashmediacard 56
- Removingaflashmediacard 57
- Frequentlyaskedquestions 57
- •“Powerproblems”onpage92 59
- .Usingyourcomputer43 59
- 44UserGuide 60
- Chapter3.Youandyourcomputer 61
- Accessibilityinformation 62
- Chapter3.Youandyourcomputer47 63
- Chapter3.Youandyourcomputer49 65
- Travelingwithyourcomputer 66
- Traveltips 66
- Travelaccessories 66
- Chapter4.Security 67
- Supervisorpassword 68
- Chapter4.Security53 69
- Harddiskpasswords 70
- Harddisksecurity 71
- Usingfirewalls 73
- Protectingdataagainstviruses 73
- 58UserGuide 74
- Chapter5.Advancedconfiguration 75
- Installingdevicedrivers 77
- UsingtheThinkPadSetupprogram 77
- Mainmenu 78
- Configmenu 78
- .Advancedconfiguration63 79
- 64UserGuide 80
- Date/Timemenu 81
- Securitymenu 81
- 66UserGuide 82
- .Advancedconfiguration67 83
- 68UserGuide 84
- Startupmenu 85
- 70UserGuide 86
- Restartmenu 87
- UpdatingtheUEFIBIOS 87
- Usingsystemmanagement 87
- Settingmanagementfeatures 88
- 74UserGuide 90
- Chapter6.Preventingproblems 91
- Takingcareofyourcomputer 93
- Chapter6.Preventingproblems79 95
- 80UserGuide 96
- Diagnosingproblems 97
- Troubleshooting 97
- Computerstopsresponding 97
- Spillsonthekeyboard 98
- Errormessages 98
- Errorswithoutmessages 99
- Beeperrors 100
- Memorymoduleproblems 101
- Networkingproblems 101
- AwirelessLANproblem 102
- Bluetoothproblems 102
- Keyboardproblems 103
- Externalmonitorproblems 104
- Audioproblems 107
- Batteryandpowerproblems 108
- Anacpoweradapterproblem 109
- Apowerbuttonproblem 109
- Bootproblems 109
- Sleepandhibernationproblems 109
- Harddiskdriveproblems 110
- Asoftwareproblem 111
- AUSBproblem 111
- 96UserGuide 112
- Chapter8.Recoveryinformation 113
- Creatingandusingarescuemedium 116
- Solvingrecoveryproblems 118
- Refreshingyourcomputer 118
- Creatingandusingrecoverymedia 119
- Chapter9.Replacingdevices 121
- Replacingthememorymodule 122
- 1,andthenremovethememory 123
- 2tomakeroomforthenewone 123
- Chapter9.Replacingdevices107 123
- Replacingthewireless-LANcard 124
- 1,andthenremovethecover2 125
- 1.Thecardpopsup2 125
- Chapter9.Replacingdevices109 125
- 110UserGuide 126
- Replacingthecoin-cellbattery 127
- 1.Thenattachtheconnector2 129
- Chapter9.Replacingdevices113 129
- Chapter9.Replacingdevices115 131
- 116UserGuide 132
- Replacingthekeyboard 133
- .Replacingdevices119 135
- Installingthekeyboard 136
- 120UserGuide 136
- .Replacingdevices121 137
- 122UserGuide 138
- Chapter10.Gettingsupport 139
- Usingdiagnosticprograms 140
- LenovoSupportWebsite 140
- CallingLenovo 140
- FindingThinkPadoptions 141
- Purchasingadditionalservices 141
- 126UserGuide 142
- Wirelessrelatedinformation 143
- 1Wireless-LANantenna(main) 144
- 132UserGuide 148
- ImportantWEEEinformation 149
- RecyclinginformationforChina 149
- RecyclinginformationforJapan 149
- 136UserGuide 152
- EuropeanUnionRoHS 153
- ChinaRoHS 153
- IndiaRoHS 153
- TurkishRoHS 153
- UkraineRoHS 154
- ©CopyrightLenovo2014 155
- AppendixE.Notices 157
- Trademarks 158
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