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2.Ifthebatteryischargedbutthecomputerdoesnotrun,callLenovoCustomerServiceCentertohave
itserviced.
Apowerbuttonproblem
Problem:Thesystemdoesnotrespond,andyoucannotturnoffthecomputer.
Solution:Turnoffthecomputerbypressingandholdingthepowerbuttonforfoursecondsormore.Ifthe
systemisstillnotreset,removetheacpoweradapterandresetthesystembyinsertingoneendofa
needleorastraightenedpaperclipintotheemergencyresethole.Tolocatetheemergencyresethole,refer
to“Bottomview”onpage6
.
Bootproblems
Printtheseinstructionsnowandkeepthemwithyourcomputerforreferencelater.
Ifyoureceiveanerrormessagebeforetheoperatingsystemloads,followtheappropriatecorrectiveactions
forpower-onself-test(POST)errormessages.See“Errormessages”onpage124.
Ifyoureceiveanerrormessagewhiletheoperatingsystemisloadingthedesktopcongurationafterthe
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.Connecttheacpoweradaptertothecomputerandplugit
intoanelectricaloutlet.
•Problem:ThecomputerdisplayremainsblankafteryoupressFntoreturnfromsleepmode.
Solution:Checkwhetheranexternalmonitorwasdisconnectedorturnedoffwhilethecomputerwas
insleepmode.Ifyoudisconnectedorturnedofftheexternalmonitor,connectitorturnitonbefore
resumingthecomputerfromthesleepmode.Whenresumingthecomputerfromthesleepmode
withoutattachingtheexternalmonitororturningiton,andthecomputerdisplayremainsblank,press
F6tobringupthecomputerdisplay.
•Problem:Thecomputerdoesnotreturnfromsleepmode,orthesystemstatusindicator(illuminated
ThinkPadlogo)blinksslowlyandthecomputerdoesnotwork.
Solution:Ifthesystemdoesnotreturnfromsleepmode,itmighthaveenteredsleeporhibernation
modeautomaticallybecausethebatteryisdepleted.Checkthesystemstatusindicator(illuminated
ThinkPadlogo).
Chapter10.Troubleshootingcomputerproblems135
- UserGuide 1
- FirstEdition(September2013) 2
- Contents 3
- Readthisrst 7
- Importantsafetyinformation 8
- Safetyguidelines 9
- Powercordsandpoweradapters 10
- Plugsandoutlets 11
- Powersupplystatement 11
- Externaldevices 12
- Generalbatterynotice 12
- NoticeforlithiumRTCbattery 12
- Heatandproductventilation 13
- Usingheadphonesorearphones 14
- Additionalsafetyinformation 15
- Chapter1.Productoverview 17
- Right-sideview 19
- 4USB3.0connector 20
- 5Ethernetconnector 20
- 7Security-lockslot 20
- Left-sideview 21
- Bottomview 22
- 4Keyboarddrainageholes 23
- 5Emergencyresethole 23
- Chapter1.Productoverview7 23
- Statusindicators 24
- Chapter1.Productoverview9 25
- 1andwirelessLAN 26
- GenuineMicrosoftlabel 27
- Features 27
- Specications 29
- Operatingenvironment 29
- Lenovoprograms 30
- Chapter1.Productoverview15 31
- Lenovoprogramoverview 32
- Chapter1.Productoverview17 33
- Chapter2.Usingyourcomputer 35
- Usingthemulti-touchscreen 37
- 22UserGuide 38
- .Usingyourcomputer23 39
- Specialkeys 40
- Windowskey 41
- Powermanagement 43
- Checkingthebatterystatus 43
- Usingtheacpoweradapter 44
- Chargingthebattery 44
- Maximizingthebatterylife 45
- Managingthebatterypower 45
- Power-savingmodes 45
- Handlingthebattery 46
- Connectingtothenetwork 47
- Ethernetconnections 48
- Wirelessconnections 48
- Chapter2.Usingyourcomputer33 49
- UsingthewirelessWANconnection 50
- Presentationsandmultimedia 51
- Changingdisplaysettings 51
- Usinganexternalmonitor 52
- UsingaDVImonitor 53
- Settingupapresentation 54
- Usingdualdisplays 54
- Usingaudiofeatures 55
- Usingthecamera 56
- Chapter2.Usingyourcomputer41 57
- 42UserGuide 58
- Chapter3.Youandyourcomputer 59
- Accessibilityinformation 60
- Travelingwithyourcomputer 61
- Traveltips 61
- Travelaccessories 62
- Chapter4.Security 63
- Supervisorpassword 64
- Harddiskpasswords 65
- Harddisksecurity 67
- Settingthesecuritychip 68
- Usingthengerprintreader 69
- IndicatorbehaviorDescription 71
- Usingrewalls 73
- Protectingdataagainstviruses 73
- 58UserGuide 74
- Chapter5.Recoveryoverview 75
- Chapter5.Recoveryoverview61 77
- Creatingandusingarescuemedium 78
- Chapter5.Recoveryoverview63 79
- Solvingrecoveryproblems 80
- Refreshingyourcomputer 80
- Creatingandusingrecoverymedia 81
- Chapter6.Replacingdevices 83
- Chapter6.Replacingdevices69 85
- 1.TheSIMcardtrayejects2 86
- Replacingthebasecoverassembly 87
- Chapter6.Replacingdevices73 89
- Replacingamemorymodule 90
- ReplacinganM.2wirelessLANcard 91
- .Replacingdevices77 93
- ReplacinganM.2wirelessWANcard 94
- Chapter6.Replacingdevices79 95
- Replacingthekeyboard 97
- .Replacingdevices83 99
- 84UserGuide 100
- .Replacingdevices85 101
- ReplacingtheRTCbattery 103
- 88UserGuide 104
- FindingThinkPadoptions 105
- ThinkPaddockingstations 105
- ThinkPadBasicDock 106
- ThinkPadProDock 107
- ThinkPadUltraDock 109
- 1.Thenturnthesystemlockkeyto 111
- Securityfeatures 113
- 98UserGuide 114
- Chapter8.Advancedconguration 115
- Installingdevicedrivers 117
- UsingtheThinkPadSetupprogram 117
- Mainmenu 118
- Congmenu 118
- .Advancedconguration103 119
- 104UserGuide 120
- .Advancedconguration105 121
- 106UserGuide 122
- DateandTimemenu 123
- Securitymenu 123
- 108UserGuide 124
- .Advancedconguration109 125
- 110UserGuide 126
- Startupmenu 127
- Restartmenu 129
- UpdatingtheUEFIBIOS 129
- Usingsystemmanagement 129
- Settingmanagementfeatures 130
- 116UserGuide 132
- Chapter9.Preventingproblems 133
- Takingcareofyourcomputer 135
- 122UserGuide 138
- Diagnosingproblems 139
- Troubleshooting 139
- Computerstopsresponding 139
- Spillsonthekeyboard 140
- Errormessages 140
- Errorswithoutmessages 141
- Beeperrors 142
- Memorymoduleproblems 143
- Networkingproblems 143
- AwirelessLANproblem 144
- AwirelessWANproblem 144
- Bluetoothproblems 144
- Keyboardproblems 145
- Computerscreenproblems 146
- Externalmonitorproblems 147
- Audioproblems 148
- Fingerprintreaderproblems 149
- Batteryandpowerproblems 149
- Anacpoweradapterproblem 150
- Powerproblems 150
- Apowerbuttonproblem 151
- Bootproblems 151
- Sleepandhibernationproblems 151
- Harddiskdriveproblems 152
- Asolid-statedriveproblem 152
- Asoftwareproblem 153
- 138UserGuide 154
- Chapter11.Gettingsupport 155
- Usingdiagnosticprograms 156
- LenovoSupportWebsite 156
- CallingLenovo 156
- Purchasingadditionalservices 157
- 142UserGuide 158
- Wirelessrelatedinformation 159
- 1WirelessLANantenna(main) 160
- 2WirelessWANantenna(main) 160
- Exportclassicationnotice 161
- Electronicemissionnotices 161
- Directive 162
- 148UserGuide 164
- ImportantWEEEinformation 165
- RecyclinginformationforJapan 165
- 152UserGuide 168
- EuropeanUnionRoHS 169
- ChinaRoHS 169
- IndiaRoHS 169
- TurkishRoHS 169
- UkraineRoHS 170
- ©CopyrightLenovo2013 171
- AppendixE.Notices 173
- Trademarks 174
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