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Heatandproductventilation
DANGER
Computers,acpoweradapters,andmanyaccessoriescangenerateheatwhenturnedonandwhen
batteriesarecharging.Notebookcomputerscangenerateasignicantamountofheatduetotheir
compactsize.Alwaysfollowthesebasicprecautions:
•Whenyourcomputeristurnedonorthebatteryischarging,thebase,thepalmrest,andsome
otherpartsmaybecomehot.Avoidkeepingyourhands,yourlap,oranyotherpartofyour
bodyincontactwithahotsectionofthecomputerforanyextendedlengthoftime.Whenyou
usethekeyboard,avoidkeepingyourpalmsonthepalmrestforaprolongedperiodoftime.
Yourcomputergeneratessomeheatduringnormaloperation.Theamountofheatdependson
theamountofsystemactivityandthebatterychargelevel.Extendedcontactwithyourbody,
eventhroughclothing,couldcausediscomfortorevenaskinburn.Periodicallytakebreaks
fromusingthekeyboardbyliftingyourhandsfromthepalmrest;andbecarefulnottouse
thekeyboardforanyextendedlengthoftime.
•Donotoperateyourcomputerorchargethebatterynearammablematerialsorinexplosive
environments.
•Ventilationslots,fansand/orheatsinksareprovidedwiththeproductforsafety,comfort,and
reliableoperation.Thesefeaturesmightinadvertentlybecomeblockedbyplacingtheproducton
abed,sofa,carpet,orotherexiblesurface.Neverblock,cover,ordisablethesefeatures.
•Whentheacpoweradapterisconnectedtoanelectricaloutletandyourcomputer,itgenerates
heat.Donotplacetheadapterincontactwithanypartofyourbodywhileusingit.Neverusethe
acpoweradaptertowarmyourbody.Extendedcontactwithyourbody,eventhroughclothing,
maycauseaskinburn.
Foryoursafety,alwaysfollowthesebasicprecautionswithyourcomputer:
•Keepthecoverclosedwheneverthecomputerispluggedin.
•Regularlyinspecttheoutsideofthecomputerfordustaccumulation.
•Removedustfromventsandanyperforationsinthebezel.Morefrequentcleaningsmightbe
requiredforcomputersindustyorhigh-trafcareas.
•Donotrestrictorblockanyventilationopenings.
•Donotoperateyourcomputerinsidefurniture,asthismightincreasetheriskofoverheating.
•Airowtemperaturesintothecomputershouldnotexceed35°C(95°F).
©CopyrightLenovo2011
xiii
- UserGuide 1
- SecondEdition(October2011) 2
- ©CopyrightLenovo2011 2
- Contents 3
- AppendixB.WEEEandrecycling 5
- AppendixC.Notices.........147 5
- Readthisrst 7
- Importantsafetyinformation 8
- Safetyguidelines 9
- Powercordsandpoweradapters 11
- Plugsandoutlets 12
- Powersupplystatement 12
- Externaldevices 12
- Generalbatterynotices 13
- Rechargeablebatterynotice 13
- Lithiumcoincellbatterynotice 14
- Heatandproductventilation 15
- Lasercompliancestatement 16
- Usingheadphonesorearphones 17
- Additionalsafetyinformation 17
- Chapter1.ProductOverview 19
- Frontview 20
- ThinkPadEdgeE525frontview 22
- Right-sideview 24
- Left-sideview 25
- Bottomview 27
- Rearview 28
- Statusindicators 29
- Systemstatusindicators 30
- Machinetypeandmodellabel 31
- 14UserGuide 32
- CerticateofAuthenticitylabel 33
- Features 33
- ThinkPadEdgeE425features 33
- ThinkPadEdgeE525features 34
- Chapter1.ProductOverview17 35
- Specications 36
- Operatingenvironment 36
- Accessingapplications 37
- AccessConnections 39
- ActiveProtectionSystem 39
- FingerprintSoftware 39
- LenovoSolutionsCenter 39
- LenovoThinkVantageTools 40
- LenovoThinkVantageToolbox 40
- MessageCenterPlus 40
- PasswordManager 40
- PowerManager 40
- ProductRecovery 41
- RescueandRecovery 41
- SystemUpdate 41
- ThinkVantageGPS 41
- 24UserGuide 42
- Chapter2.Usingyourcomputer 43
- Specialkeysandbuttons 44
- ThinkPadEdgeE425specialkeys 45
- 2Windowskey 46
- ThinkpadEdgeE525specialkeys 47
- Usingthetouchpad 51
- Powermanagement 52
- Checkingbatterystatus 53
- Usingtheacpoweradapter 53
- Chargingthebattery 53
- Maximizingbatterylife 54
- Managingyourbatterypower 54
- Power-savingmodes 54
- Handlingthebattery 55
- Connectingtothenetwork 57
- Ethernetconnections 57
- Wirelessconnections 57
- UsingBluetooth 58
- Chapter2.Usingyourcomputer41 59
- Changingdisplaysettings 60
- Usingdualdisplays 61
- Usingaudiofeatures 62
- Usinganintegratedcamera 63
- Usingtheopticaldrive 64
- UsingaashmediaCard 64
- Insertingaashmediacard 64
- Removingaashmediacard 65
- 48UserGuide 66
- Chapter3.Youandyourcomputer 67
- Adjustingyourcomputertotyou 68
- Accessibilityinformation 69
- Travelingwithyourcomputer 69
- Traveltips 69
- Travelaccessories 70
- Chapter4.Security 71
- Typingpasswords 72
- Power-onpassword 72
- Harddiskpasswords 73
- Supervisorpassword 74
- Chapter4.Security57 75
- Harddisksecurity 76
- Usingangerprintreader 76
- Chapter4.Security59 77
- Usingrewalls 79
- Protectingdataagainstviruses 79
- 62UserGuide 80
- Chapter5.Recoveryoverview 81
- Creatingrecoverymedia 82
- Usingrecoverymedia 82
- Performingabackupoperation 83
- Performingarecoveryoperation 83
- Creatingandusingarescuemedium 84
- Creatingarescuemedium 84
- Usingarescuemedium 84
- Chapter5.Recoveryoverview67 85
- Solvingrecoveryproblems 86
- Chapter6.Replacingdevices 87
- 1,andremovethebattery2 88
- Replacingtheharddiskdrive 89
- 72UserGuide 90
- .Replacingdevices73 91
- Replacingtheopticaldrive 92
- 5.Removethescrew 93
- 6.Pulloutthedrive 93
- .Replacingdevices75 93
- 2.Reinstallthescrew 94
- 76UserGuide 94
- 1,andtightenit2 96
- Chapter6.Replacingdevices79 97
- 1.Pivotthe 98
- Replacingamemorymodule 99
- 1,andthenremovethecover2 100
- 1.Thentightenthescrews2 101
- Chapter6.Replacingdevices83 101
- Replacingthekeyboard 102
- ThinkPadEdgeE425 102
- 5.Removethescrews1and2 103
- .Replacingdevices85 103
- .Replacingdevices87 105
- 4.Reinstallthescrews1and2 105
- ThinkPadEdgeE525 106
- .Replacingdevices89 107
- .Replacingdevices91 109
- Chapter7.Advancedconguration 111
- Installingdevicedrivers 113
- Installingdriversandsoftware 113
- ThinkPadSetup 113
- Congmenu 114
- Date/Timemenu 115
- Securitymenu 115
- Startupmenu 116
- Restartmenu 117
- ThinkPadSetupitems 117
- Congmenuitems 118
- 100UserGuide 118
- .Advancedconguration101 119
- Securitymenuitems 120
- 102UserGuide 120
- .Advancedconguration103 121
- Startupmenuitems 122
- 104UserGuide 122
- UpdatingyoursystemUEFIBIOS 123
- 106UserGuide 124
- Chapter8.Preventingproblems 125
- Takingcareofyourcomputer 126
- 112UserGuide 130
- Diagnosingproblems 131
- Troubleshooting 132
- Computerstopsresponding 132
- Spillsonthekeyboard 133
- Errormessages 133
- Errorswithoutmessages 137
- Beeperrors 138
- Memorymoduleproblems 138
- Networkingproblems 138
- AwirelessLANproblem 139
- Bluetoothproblems 139
- Displayandmultimediadevices 140
- Externalmonitorproblems 141
- Audioproblems 144
- Fingerprintreaderproblems 145
- Batteryandpowerproblems 145
- ACpoweradapterproblems 146
- Powerproblems 146
- Apowerbuttonproblem 147
- Startupproblems 147
- Sleepandhibernationproblems 147
- Harddiskdriveproblems 148
- Opticaldriveproblems 149
- Softwareproblems 150
- Chapter10.Gettingsupport 151
- Gettinghelpandservice 152
- Usingdiagnosticprograms 152
- LenovoSupportWebsite 152
- CallingLenovo 153
- FindingThinkPadoptions 153
- Purchasingadditionalservices 154
- Wirelessrelatedinformation 155
- 2WirelessLANantenna(main) 156
- Exportclassicationnotice 157
- Electronicemissionnotices 157
- Directive 158
- 142UserGuide 160
- EUWEEEstatements 161
- ChinaWEEEstatement 161
- Japanrecyclingstatements 161
- RecyclinginformationforBrazil 162
- 146UserGuide 164
- AppendixC.Notices 165
- Trademarks 166
- PartNumber: 168
- (1P)P/N: 168
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