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•Problem:Avolumeorbalanceslidercannotbemoved.
Solution:Theslidermightbegrayedout.Thismeansthatitspositionisfixedbythehardwareand
cannotbechanged.
•Problem:Thevolumeslidersdonotstayinplacewhensomeaudioprogramsareused.
Solution:Itisnormalforthesliderstochangepositionwhencertainsoundprogramsareused.The
programsareawareofthesettingsintheVolumeMixerwindowandareallowedtochangethesettings
themselves.AnexampleistheWindowsMediaPlayer.Usuallytheprogramhasslidersavailableto
controlthesoundfromwithintheprogram.
•Problem:Thebalanceslidercannotcompletelymuteonechannel.
Solution:Thecontrolisdesignedtocompensateforminordifferencesinbalanceanddoesnot
completelymuteeitherchannel.
•Problem:ThesoundcannotbeturnedoffcompletelyevenifyousettheMastervolumecontrolat
minimum.
Solution:YoustillcanhearsomesoundeventhoughyouhavesettheVolumeMixercontrolatminimum.
Toturnoffthesoundcompletely,pressthespeakermutebutton.
•Problem:Whenyouconnectaheadphonetoyourcomputerwhileplayingsound,aspeakerdoesnot
producesound.
Solution:Oncetheheadphoneisattached,thestreamingisautomaticallyredirectedtoit.Ifyouwantto
listentosoundfromthespeakersagain,besuretosetthosespeakersasthedefaultdevice.Fordetails,
refertothehelpinformationsystemforRealtekHDAudio.
Fingerprintreaderproblems
•Problem:Thesurfaceofthereaderisdirty,stained,orwet.
Solution:Gentlycleanthesurfaceofthereaderwithadry,soft,lint-freecloth.
•Problem:Thereaderoftenfailstoenrollorauthenticateyourfingerprint.
Solution:Ifthesurfaceofthereaderisdirty,stained,orwet,gentlycleanthesurfaceofthereader
withadry,soft,lint-freecloth.
Fortipsonhowtomaintainthefingerprintreader,see“Usingthefingerprintreader”onpage57.
Batteryandpowerproblems
Thistopiccontainsinstructionsontroubleshootingbatteryandpowerproblems.
Batteryproblems
•Problem:Thebatteriescannotbefullychargedinthestandardchargetimewhenthecomputeris
poweredoff.
Solution:Thebatteriesmightbeover-discharged.Dothefollowing:
1.Turnoffthecomputer.
2.Connecttheacpoweradaptertothecomputerandletitcharge.
Ifaquickchargerisavailable,useittochargetheover-dischargedbatteries.
Ifthebatteriescannotbefullychargedin24hours,callLenovoCustomerServiceCenter.
•Problem:Yourcomputershutsdownbeforethebattery-statusiconintheWindowsnotificationarea
showsempty,oryourcomputeroperatesafterthebattery-statusiconintheWindowsnotificationarea
showsempty.
Solution:Dischargeandrechargethebatteries.
•Problem:Theoperatingtimeforfullychargedbatteriesisshort.
Chapter10.Troubleshootingcomputerproblems135
- UserGuide 1
- FifthEdition(December2014) 2
- Contents 3
- Readthisfirst 7
- Importantsafetyinformation 8
- Safetyguidelines 9
- Powercordsandpoweradapters 10
- Plugsandoutlets 11
- Powersupplystatement 11
- Externaldevices 12
- Generalbatterynotice 12
- Rechargeablebatterynotice 12
- Heatandproductventilation 13
- Usingheadphonesorearphones 15
- Additionalsafetyinformation 16
- Chapter1.Productoverview 17
- Right-sideview 19
- 3Media-card-readerslot 20
- 4SIM-cardtray(onsomemodels) 20
- 5Ethernetconnector 20
- 6Security-lockslot 20
- Left-sideview 21
- Bottomview 22
- Statusindicators 22
- 6FnLockindicator 24
- Chapter1.Productoverview9 25
- GenuineMicrosoftlabel 26
- Features 26
- Specifications 27
- Operatingenvironment 28
- Lenovoprograms 28
- Chapter1.Productoverview13 29
- Lenovoprogramoverview 30
- Chapter1.Productoverview15 31
- Chapter2.Usingyourcomputer 33
- Usingthemulti-touchscreen 35
- 20UserGuide 36
- Chapter2.Usingyourcomputer21 37
- Specialkeys 38
- Windowskey 39
- ThinkPadpointingdevice 40
- Usingthetrackpadtouchgestures 42
- Chapter2.Usingyourcomputer27 43
- Powermanagement 44
- Checkingthebatterystatus 44
- Usingtheacpower 45
- Chargingthebatteries 45
- Maximizingthebatterylife 46
- Managingthebatterypower 46
- Power-savingmodes 46
- Connectingtothenetwork 47
- Ethernetconnections 47
- Wirelessconnections 47
- Chapter2.Usingyourcomputer33 49
- UsingtheBluetoothconnection 50
- Presentationsandmultimedia 51
- Changingdisplaysettings 51
- Usinganexternalmonitor 52
- UsingaDVImonitor 53
- Settingupapresentation 54
- Usingdualdisplays 54
- Usingaudiofeatures 55
- Usingthecamera 55
- Chapter2.Usingyourcomputer41 57
- 42UserGuide 58
- Chapter3.Youandyourcomputer 59
- Accessibilityinformation 60
- Chapter3.Youandyourcomputer45 61
- Chapter3.Youandyourcomputer47 63
- Travelingwithyourcomputer 64
- Traveltips 64
- Travelaccessories 65
- 50UserGuide 66
- Chapter4.Security 67
- Supervisorpassword 68
- Harddiskpasswords 69
- Harddisksecurity 71
- Settingthesecuritychip 72
- Usingthefingerprintreader 73
- 58UserGuide 74
- IndicatorbehaviorDescription 75
- Usingfirewalls 77
- Protectingdataagainstviruses 77
- 62UserGuide 78
- Chapter5.Recoveryoverview 79
- Chapter5.Recoveryoverview65 81
- Creatingandusingarescuemedium 82
- Solvingrecoveryproblems 83
- Refreshingyourcomputer 84
- Creatingandusingrecoverymedia 85
- Chapter5.Recoveryoverview71 87
- 72UserGuide 88
- Chapter6.Replacingdevices 89
- 1.TheSIM-cardtrayejects2 90
- Replacingthebatterypack 91
- Replacingthebasecoverassembly 93
- .Replacingdevices79 95
- 80UserGuide 96
- Replacingamemorymodule 97
- 82UserGuide 98
- 1.Pivotthememory 99
- Chapter6.Replacingdevices83 99
- .Replacingdevices85 101
- Chapter6.Replacingdevices87 103
- Chapter6.Replacingdevices89 105
- 90UserGuide 106
- FindingThinkPadoptions 107
- ThinkPaddockingstations 107
- ThinkPadBasicDock 108
- ThinkPadProDock 109
- ThinkPadUltraDock 111
- 1.Thecomputerisattachedtothe 113
- Securityfeatures 115
- 100UserGuide 116
- Chapter8.Advancedconfiguration 117
- Installingdevicedrivers 119
- UsingtheThinkPadSetupprogram 119
- Mainmenu 120
- Configmenu 120
- .Advancedconfiguration105 121
- 106UserGuide 122
- .Advancedconfiguration107 123
- 108UserGuide 124
- DateandTimemenu 125
- Securitymenu 125
- 110UserGuide 126
- .Advancedconfiguration111 127
- 112UserGuide 128
- Startupmenu 129
- 114UserGuide 130
- Restartmenu 131
- UpdatingtheUEFIBIOS 131
- Usingsystemmanagement 131
- Settingmanagementfeatures 132
- 118UserGuide 134
- Chapter9.Preventingproblems 135
- Takingcareofyourcomputer 137
- 124UserGuide 140
- Diagnosingproblems 141
- Troubleshooting 141
- Computerstopsresponding 141
- Spillsonthekeyboard 142
- Errormessages 142
- Errorswithoutmessages 143
- Beeperrors 144
- Memorymoduleproblems 145
- Networkingproblems 145
- Awireless-LANproblem 146
- Awireless-WANproblem 146
- Bluetoothproblems 146
- Keyboardproblems 147
- Computerscreenproblems 148
- Externalmonitorproblems 149
- Audioproblems 150
- Fingerprintreaderproblems 151
- Batteryandpowerproblems 151
- Anacpoweradapterproblem 152
- Powerproblems 152
- Apowerbuttonproblem 152
- Bootproblems 153
- Sleepandhibernationproblems 153
- Asoftwareproblem 154
- AUSBproblem 155
- Adockingstationproblem 155
- 140UserGuide 156
- Chapter11.Gettingsupport 157
- Usingdiagnosticprograms 158
- LenovoSupportWebsite 158
- CallingLenovo 158
- Purchasingadditionalservices 159
- 144UserGuide 160
- Wirelessrelatedinformation 161
- Exportclassificationnotice 163
- Electronicemissionnotices 163
- Directive 164
- 150UserGuide 166
- ImportantWEEEinformation 167
- RecyclinginformationforChina 167
- RecyclinginformationforJapan 167
- RecyclinginformationforBrazil 168
- 154UserGuide 170
- EuropeanUnionRoHS 171
- ChinaRoHS 172
- IndiaRoHS 173
- TurkishRoHS 173
- UkraineRoHS 173
- 158UserGuide 174
- ©CopyrightLenovo2013,2014 175
- 160UserGuide 176
- 4.ClickthePowerManagementtab 176
- 6.ClickOK 176
- AppendixE.Notices 177
- Trademarks 178
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