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2.Ifthebatteryischargedbutthecomputerdoesnotrun,callLenovoCustomerServiceCentertohave
itserviced.
Apowerbuttonproblem
Problem:Thesystemdoesnotrespond,andyoucannotturnoffthecomputer.
Solution:Turnoffthecomputerbypressingandholdingthepowerbuttonforfoursecondsormore.Ifthe
systemisstillnotreset,removetheacpoweradapterandresetthesystembyinsertingoneendofaneedle
orastraightenedpaperclipintotheemergency-resethole.Tolocatetheemergency-resethole,refer
to“Bottomview”onpage6.
Bootproblems
Printtheseinstructionsnowandkeepthemwithyourcomputerforreferencelater.
Ifyoureceiveanerrormessagebeforetheoperatingsystemloads,followtheappropriatecorrectiveactions
forpower-onself-test(POST)errormessages.See“Errormessages”onpage130.
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.Connecttheacpoweradaptertothecomputerandplugit
intoanelectricaloutlet.
•Problem:ThecomputerdisplayremainsblankafteryoupressFntoreturnfromsleepmode.
Solution:Checkwhetheranexternalmonitorwasdisconnectedorturnedoffwhilethecomputerwas
insleepmode.Ifyoudisconnectedorturnedofftheexternalmonitor,connectitorturnitonbefore
resumingthecomputerfromthesleepmode.Whenresumingthecomputerfromthesleepmode
withoutattachingtheexternalmonitororturningiton,andthecomputerdisplayremainsblank,press
F6tobringupthecomputerdisplay.
•Problem:Thecomputerdoesnotreturnfromsleepmode,orthesystem-statusindicator(illuminated
ThinkPadlogo)blinksslowlyandthecomputerdoesnotwork.
Solution:Ifthesystemdoesnotreturnfromsleepmode,itmighthaveenteredsleeporhibernation
modeautomaticallybecausethebatteryisdepleted.Checkthesystem-statusindicator(illuminated
ThinkPadlogo).
Chapter10.Troubleshootingcomputerproblems141
- 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
- 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
- 5Emergency-resethole 23
- Chapter1.Productoverview7 23
- Statusindicators 24
- Chapter1.Productoverview9 25
- 1andwirelessLAN 26
- GenuineMicrosoftlabel 27
- Features 27
- Specifications 29
- Operatingenvironment 29
- Lenovoprograms 30
- Chapter1.Productoverview15 31
- Lenovoprogramoverview 32
- Chapter1.Productoverview17 33
- Chapter2.Usingyourcomputer 35
- Usingthemulti-touchscreen 37
- 22UserGuide 38
- .Usingyourcomputer23 39
- 24UserGuide 40
- Chapter2.Usingyourcomputer25 41
- Specialkeys 42
- Windowskey 43
- Powermanagement 45
- Checkingthebatterystatus 45
- Usingtheacpoweradapter 46
- Chargingthebattery 46
- Maximizingthebatterylife 47
- Managingthebatterypower 47
- Power-savingmodes 47
- Handlingthebattery 48
- Connectingtothenetwork 49
- Ethernetconnections 50
- Wirelessconnections 50
- Chapter2.Usingyourcomputer35 51
- UsingthewirelessWANconnection 52
- UsingtheBluetoothconnection 53
- UsingtheNFCconnection 53
- Presentationsandmultimedia 54
- Changingdisplaysettings 54
- Chapter2.Usingyourcomputer39 55
- UsingaDVImonitor 56
- Settingupapresentation 57
- Usingdualdisplays 57
- Usingaudiofeatures 58
- Usingthecamera 58
- Chapter2.Usingyourcomputer43 59
- Chapter3.Youandyourcomputer 61
- Accessibilityinformation 62
- Travelingwithyourcomputer 63
- Traveltips 63
- Travelaccessories 63
- Chapter4.Security 65
- Supervisorpassword 66
- Harddiskpasswords 67
- Harddisksecurity 69
- Settingthesecuritychip 70
- Usingthefingerprintreader 71
- IndicatorbehaviorDescription 73
- Usingfirewalls 75
- Protectingdataagainstviruses 75
- 60UserGuide 76
- Chapter5.Recoveryoverview 77
- Chapter5.Recoveryoverview63 79
- Creatingandusingarescuemedium 80
- Solvingrecoveryproblems 81
- Refreshingyourcomputer 82
- Chapter5.Recoveryoverview67 83
- Creatingandusingrecoverymedia 84
- Chapter5.Recoveryoverview69 85
- 70UserGuide 86
- Chapter6.Replacingdevices 87
- Chapter6.Replacingdevices73 89
- 1.TheSIM-cardtrayejects2 90
- Replacingthebasecoverassembly 91
- Chapter6.Replacingdevices77 93
- 78UserGuide 94
- Replacingamemorymodule 95
- ReplacinganM.2wirelessLANcard 96
- Chapter6.Replacingdevices81 97
- 82UserGuide 98
- ReplacinganM.2wirelessWANcard 99
- Chapter6.Replacingdevices85 101
- Replacingthekeyboard 102
- Chapter6.Replacingdevices87 103
- 88UserGuide 104
- .Replacingdevices89 105
- 90UserGuide 106
- Chapter6.Replacingdevices91 107
- Replacingthecoin-cellbattery 108
- .Replacingdevices93 109
- 94UserGuide 110
- 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
- DateandTimemenu 129
- Securitymenu 129
- 114UserGuide 130
- .Advancedconfiguration115 131
- 116UserGuide 132
- Startupmenu 133
- Restartmenu 135
- UpdatingtheUEFIBIOS 135
- Usingsystemmanagement 135
- Settingmanagementfeatures 136
- 122UserGuide 138
- Chapter9.Preventingproblems 139
- Takingcareofyourcomputer 141
- 128UserGuide 144
- Diagnosingproblems 145
- Troubleshooting 145
- Computerstopsresponding 145
- Spillsonthekeyboard 146
- Errormessages 146
- Errorswithoutmessages 147
- Beeperrors 149
- Memorymoduleproblems 149
- Networkingproblems 149
- AwirelessLANproblem 150
- AwirelessWANproblem 150
- Bluetoothproblems 151
- Keyboardproblems 151
- Computerscreenproblems 152
- Externalmonitorproblems 153
- Audioproblems 154
- Fingerprintreaderproblems 155
- Batteryandpowerproblems 155
- Anacpoweradapterproblem 156
- Powerproblems 156
- Apowerbuttonproblem 157
- Bootproblems 157
- Sleepandhibernationproblems 157
- Harddiskdriveproblems 158
- Asolid-statedriveproblem 158
- Asoftwareproblem 159
- 144UserGuide 160
- Chapter11.Gettingsupport 161
- Usingdiagnosticprograms 162
- LenovoSupportWebsite 162
- CallingLenovo 162
- Purchasingadditionalservices 163
- 148UserGuide 164
- Wirelessrelatedinformation 165
- 1WirelessLANantenna(main) 166
- 2WirelessWANantenna(main) 166
- Exportclassificationnotice 167
- Electronicemissionnotices 167
- Directive 168
- 154UserGuide 170
- ImportantWEEEinformation 171
- RecyclinginformationforJapan 171
- 158UserGuide 174
- EuropeanUnionRoHS 175
- ChinaRoHS 175
- IndiaRoHS 175
- TurkishRoHS 175
- UkraineRoHS 176
- ©CopyrightLenovo2013 177
- AppendixE.Notices 179
- Trademarks 180
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