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Ifyourcomputerisgettingnopoweratall,checkthefollowingitems:
1.Verifythepowerbutton.Thepowerbuttonisilluminatedwheneverthecomputerison.
2.Checkallpowerconnections.Removeanypowerstripsandsurgeprotectorstoconnecttheacpower
adapterdirectlytotheacpoweroutlet.
3.Inspecttheacpoweradapter.Checkforanyphysicaldamage,andmakesurethatthepowercableis
firmlyattachedtotheadapterbrickandthecomputer.
4.Verifytheacpowersourceisworkingbyattachinganotherdevicetotheoutlet.
Ifyourcomputerdoesnotrunonbatterypower,checkthefollowingitems:
1.Removeandreinstallthebatterytomakesurethatitisproperlyconnected.
2.Ifthebatteryrunsoutofpower,attachacpoweradaptertorechargethebattery.
3.Ifthebatteryischargedbutthecomputerdoesnotrun,replacethebatterywithanewone.
Apowerbuttonproblem
Problem:Thesystemdoesnotrespond,andyoucannotturnoffthecomputer.
Solution:Turnoffthecomputerbypressingandholdingthepowerbuttonfor4secondsormore.Ifthe
computerisstillnotreset,removetheacpoweradapterandthebattery.
Bootproblems
Printtheseinstructionsnowandkeepthemwithyourcomputerforreferencelater.
Ifyoureceiveanerrormessagebeforetheoperatingsystemloads,followtheappropriatecorrectiveactions
forpower-onself-test(POST)errormessages.
Ifyoureceiveanerrormessagewhiletheoperatingsystemisloadingthedesktopconfigurationafterthe
POSTiscompleted,checkthefollowingitems:
1.GototheLenovoSupportWebsiteathttp://www.lenovo.com/supportandsearchfortheerrormessage.
2.GototheMicrosoftKnowledgeBasehomepageathttp://support.microsoft.com/andsearchforthe
errormessage.
Sleepandhibernationproblems
•Problem:Thecomputerenterssleepmodeunexpectedly.
Solution:Ifthemicroprocessoroverheats,thecomputerautomaticallyenterssleepmodetoallowthe
computertocoolandtoprotectthemicroprocessorandotherinternalcomponents.Checkthesettings
forsleepmode.
•Problem:Thecomputerenterssleepmodeimmediatelyafterthepower-onself-test.
Solution:Ensurethat:
–Thebatteryischarged.
–Theoperatingtemperatureiswithintheacceptablerange.Referto“Operatingenvironment”onpage
13
.
Ifthebatteryischargedandthetemperatureiswithinrange,havethecomputerserviced.
•Problem:Acriticallow-batteryerroroccurs,andthecomputerimmediatelyturnsoff.
Solution:Thebatterypowerisgettinglow.Plugtheacpoweradapterintoanelectricaloutletand
connecttheacpoweradaptertothecomputer,orreplacethebatterywithachargedone.
Chapter10.Troubleshootingcomputerproblems143
- UserGuide 1
- ThirdEdition(January2014) 2
- ©CopyrightLenovo2013,2014 2
- Contents 3
- Readthisfirst 7
- Importantsafetyinformation 8
- Safetyguidelines 9
- Powercordsandpoweradapters 10
- Plugsandoutlets 11
- Powersupplystatement 11
- Externaldevices 12
- Generalbatterynotice 12
- Rechargeablebatterynotice 12
- Lithiumcoin-cellbatterynotice 13
- Heatandproductventilation 13
- Lasercompliancestatement 15
- Usingheadphonesorearphones 15
- Additionalsafetyinformation 16
- Chapter1.Productoverview 17
- Right-sideview 19
- Left-sideview 20
- Bottomview 22
- Rearview 23
- Statusindicators 23
- Machinetypeandmodel 25
- FCCIDandICCertificationnumber 25
- CertificateofAuthenticity 26
- GenuineMicrosoftlabel 27
- Features 27
- Specifications 29
- Operatingenvironment 29
- Lenovoprograms 30
- Chapter1.Productoverview15 31
- Lenovoprogramsoverview 33
- Chapter2.Usingyourcomputer 35
- Specialkeys 37
- 2Numerickeypad 38
- 3Windowskey 38
- 4Functionkeys 38
- 1andtheThinkPadtrackpad2.The 39
- 3andright 39
- Chapter2.Usingyourcomputer23 39
- Powermanagement 40
- Checkingthebatterystatus 41
- Usingtheacpoweradapter 41
- Chargingthebattery 42
- Maximizingthebatterylife 42
- Managingthepowerplans 42
- Power-savingmodes 43
- Handlingthebattery 44
- Connectingtothenetwork 45
- Ethernetconnections 45
- Wirelessconnections 45
- UsingthewirelessLANconnection 46
- UsingthewirelessWANconnection 47
- UsingtheBluetoothconnection 48
- Presentationsandmultimedia 49
- Changingdisplaysettings 49
- UsingaDVImonitor 51
- Settingupapresentation 52
- Usingdualdisplays 53
- Usingthecolorsensor 54
- Usingaudiofeatures 54
- Usingthecamera 55
- Usingtheopticaldrive 55
- Chapter2.Usingyourcomputer41 57
- 42UserGuide 58
- Chapter3.Youandyourcomputer 59
- Accessibilityinformation 60
- Travelingwithyourcomputer 61
- Traveltips 61
- Travelaccessories 61
- Chapter4.Security 63
- Supervisorpassword 64
- Harddiskpasswords 65
- Harddisksecurity 67
- Settingthesecuritychip 68
- Usingthefingerprintreader 69
- 54UserGuide 70
- IndicatorbehaviorDescription 71
- Usingfirewalls 73
- Protectingdataagainstviruses 73
- 58UserGuide 74
- Chapter5.Recoveryoverview 75
- Chapter5.Recoveryoverview61 77
- Creatingandusingarescuemedium 78
- Solvingrecoveryproblems 79
- Refreshingyourcomputer 80
- Chapter5.Recoveryoverview65 81
- Creatingandusingrecoverymedia 82
- Chapter5.Recoveryoverview67 83
- 68UserGuide 84
- Chapter6.Replacingdevices 85
- 1.Thenremovethebattery 86
- Chapter6.Replacingdevices71 87
- ReplacingtheUltrabaydevice 88
- .Replacingdevices73 89
- 74UserGuide 90
- Replacingamemorymodule 91
- 76UserGuide 92
- 1.Pivotthe 93
- 12,andthentightenthescrews3 93
- Chapter6.Replacingdevices77 93
- .Replacingdevices79 95
- ReplacingawirelessLANcard 96
- Chapter6.Replacingdevices81 97
- ReplacingawirelessWANcard 99
- .Replacingdevices85 101
- 1.Thentightenthescrew2 102
- Replacingthecoin-cellbattery 103
- 1,andthenattachtheconnector2 104
- Replacingthekeyboard 105
- 90UserGuide 106
- Chapter6.Replacingdevices91 107
- 92UserGuide 108
- .Replacingdevices93 109
- FindingThinkPadoptions 111
- ThinkPaddockingstations 111
- ThinkPadBasicDock 112
- ThinkPadProDock 113
- ThinkPadUltraDock 115
- 1.Thenturnthesystemlockkeyto 117
- Securityfeatures 119
- 104UserGuide 120
- Chapter8.Advancedconfiguration 121
- Installingdevicedrivers 123
- UsingtheThinkPadSetupprogram 123
- Mainmenu 124
- Configmenu 124
- .Advancedconfiguration109 125
- 110UserGuide 126
- .Advancedconfiguration111 127
- 112UserGuide 128
- .Advancedconfiguration113 129
- DateandTimemenu 130
- Securitymenu 130
- .Advancedconfiguration115 131
- 116UserGuide 132
- .Advancedconfiguration117 133
- 118UserGuide 134
- .Advancedconfiguration119 135
- Startupmenu 136
- Restartmenu 138
- UpdatingyoursystemUEFIBIOS 138
- Usingsystemmanagement 139
- Settingmanagementfeatures 139
- Chapter9.Preventingproblems 141
- Takingcareofyourcomputer 143
- 130UserGuide 146
- Diagnosingproblems 147
- Troubleshooting 147
- Computerstopsresponding 147
- Spillsonthekeyboard 148
- Errormessages 148
- Errorswithoutmessages 150
- Beeperrors 151
- Memorymoduleproblems 151
- Networkingproblems 151
- AwirelessLANproblem 152
- AwirelessWANproblem 153
- Bluetoothproblems 153
- Keyboardproblems 153
- Computerscreenproblems 154
- Externalmonitorproblems 155
- Audioproblems 156
- Fingerprintreaderproblems 157
- Batteryandpowerproblems 158
- Apowerbuttonproblem 159
- Bootproblems 159
- Sleepandhibernationproblems 159
- Harddiskdriveproblems 160
- Asolid-statedriveproblem 161
- Opticaldriveproblems 161
- Asoftwareproblem 162
- Chapter11.Gettingsupport 163
- Usingdiagnosticprograms 164
- LenovoSupportWebsite 164
- CallingLenovo 164
- Purchasingadditionalservices 165
- 150UserGuide 166
- Wirelessrelatedinformation 167
- Exportclassificationnotice 169
- Electronicemissionnotices 169
- Directive 170
- 156UserGuide 172
- ImportantWEEEinformation 173
- Japanrecyclingstatements 173
- RecyclinginformationforBrazil 174
- RecyclinginformationforChina 175
- 160UserGuide 176
- ©CopyrightLenovo2013 177
- AppendixD.Notices 179
- Trademarks 180
- EuropeanUnionRoHS 181
- ChinaRoHS 181
- IndiaRoHS 181
- TurkishRoHS 181
- UkraineRoHS 182
- 168UserGuide 184
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