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Actions:
•Themonitormightbeoperatinginalow-refreshratedisplaymode.Setthemonitortothehighest,
noninterlacedrefreshratesupportedbyyourmonitorandthevideocontrollerinyourcomputer.
Attention:Usingaresolutionorrefreshratethatisnotsupportedbyyourmonitormightdamageit.Check
thedocumentationthatcomeswithyourmonitortoverifythesupportedrefreshrates.
•Themonitormightbeaffectedbyinterferencefromnearbyequipment.Magneticeldsaroundother
devices,suchastransformers,appliances,uorescentlights,andothermonitorsmightbecausingthe
problem.Moveuorescentdesklightingoranyequipmentthatproducesmagneticeldsfartheraway
fromthemonitor.Ifthisdoesnotcorrecttheproblem,dothefollowing:
1.Turnoffthemonitor.(Movingacolormonitorwhileitisturnedonmightcausescreendiscoloration.)
2.Adjusttheplacementofthemonitorandotherdevicessothattheyareatleast305mm(12inches)
apart.
3.Turnonthemonitor.
•YoucanresettherefreshratethroughyouroperatingsystemControlPanel:
OntheWindows7operatingsystem,clickStart➙ControlPanel➙HardwareandSound➙Adjust
screenresolution➙AdvancedSettings.ThenclicktheMonitortabandselectanewrefreshrate.
OntheWindows8operatingsystem,openControlPanelandclickHardwareandSound➙Adjust
screenresolution➙AdvancedSettings.ThenclicktheMonitortabandselectanewrefreshrate.
•Seeyouroperatingsystemdocumentationorhelpforfurtherinformationonmonitorsettings.
Iftheseactionsdonotcorrecttheproblem,yourmonitormightneedservice.SeeChapter11“Getting
information,help,andservice”onpage145
fordetails.
Theimageisdiscolored
Symptom:Theimageisdiscolored.
Action:Themonitormightbeaffectedbyinterferencefromnearbyequipment.Magneticeldsaroundother
devices,suchastransformers,appliances,uorescentlights,andothermonitorsmightbecausingthe
problem.Moveuorescentdesklightingoranyequipmentthatproducesmagneticeldsfurtherawayfrom
themonitor.Ifthisdoesnotcorrecttheproblem,dothefollowing:
1.Turnoffthemonitor.(Movingacolormonitorwhileitisturnedonmightcausescreendiscoloration.)
2.Adjusttheplacementofthemonitorandotherdevicessothattheyareatleast305mm(12inches)apart.
3.Turnonthemonitor.
Iftheseactionsdonotcorrecttheproblem,yourmonitormightneedservice.SeeChapter11“Getting
information,help,andservice”onpage145
fordetails.
Networkingproblems
Thefollowingarethemostcommonnetworkingproblems.Selectyournetworkingproblemfromthe
followinglist:
•“Ethernetproblems”onpage137
•“AwirelessLANproblem”onpage138
•“AwirelessWANproblem”onpage138
•“Bluetoothproblem”onpage139
Formoreinformation,see“HelpandSupport”onpage145.
136ThinkCentreM83,M93/pUserGuide
- ThinkCentreM83,M93/p 1
- UserGuide 1
- FirstEdition(June2013) 2
- Contents 3
- Importantsafetyinformation 7
- Powercordsandpoweradapters 8
- Plugsandoutlets 9
- Externaldevices 9
- Heatandproductventilation 9
- Operatingenvironment 10
- Modemsafetyinformation 10
- Lasercompliancestatement 11
- Powersupplystatement 11
- Cleaningandmaintenance 11
- Chapter1.Productoverview 13
- Chapter1.Productoverview3 15
- Specications 17
- Lenovoprograms 17
- Chapter1.Productoverview7 19
- Locations 21
- .Productoverview11 23
- .Productoverview13 25
- Locatingcomponents 26
- Locatingpartsonthesystemboard 26
- .Productoverview15 27
- Locatinginternaldrives 29
- Machinetypeandmodellabel 30
- Chapter2.Usingyourcomputer 31
- Usingthekeyboard 32
- UsingWindowsshortcutkeys 32
- Usingangerprintreader 32
- Usingthewheelmouse 33
- Adjustingaudio 33
- Aboutyourcomputeraudio 33
- UsingCDsandDVDs 34
- PlayingaCDorDVD 35
- RecordingaCDorDVD 35
- Chapter3.Youandyourcomputer 37
- Glareandlighting 38
- Aircirculation 38
- Registeringyourcomputer 39
- Replacementpowercords 39
- Chapter4.Security 41
- Figure9.Installingapadlock 42
- Chapter4.Security31 43
- Attachingacablelock 44
- BIOSpasswords 44
- Windowspasswords 45
- Conguringthengerprintreader 45
- Usingandunderstandingrewalls 45
- Protectingdataagainstviruses 45
- Installingorreplacinghardware 47
- Installingexternaloptions 47
- Removingthecomputercover 48
- InstallingorreplacingaPCIcard 50
- Figure16.RemovingaPCIcard 51
- Replacingtheopticaldrive 54
- InstallingthefrontUSBassembly 62
- ReplacingthefrontUSBassembly 64
- Replacingthebattery 67
- Replacingthemicroprocessor 80
- 1,pin2,pin3 86
- Figure75.Removingthecableclip 88
- Installingthesolid-statedrive 93
- Replacingthefrontfanassembly 95
- Replacingtheinternalspeaker 99
- ThinkCentreM83,M93/pUserGuide 100
- Replacingthethermalsensor 101
- ReplacingtheWi-Fiunits 103
- RemovingtheWi-Fiadaptercard 104
- RemovingtheWi-Ficardmodule 105
- InstallingtheWi-Fiunits 106
- InstallingtherearWi-Fiantenna 109
- RemovingtherearWi-Fiantenna 110
- Attention: 111
- RemovingthefrontWi-Fiantenna 113
- Replacingthekeyboardormouse 114
- Completingthepartsreplacement 115
- Obtainingdevicedrivers 117
- Chapter6.Recoveryinformation 119
- Creatingrecoverymedia 120
- Usingrecoverymedia 120
- Performingabackupoperation 120
- Performingarecoveryoperation 121
- Creatingarescuemedium 122
- Usingarescuemedium 122
- Reinstallingsoftwareprograms 124
- Reinstallingdevicedrivers 124
- Solvingrecoveryproblems 124
- Viewingandchangingsettings 127
- Usingpasswords 127
- Passwordconsiderations 128
- Power-OnPassword 128
- AdministratorPassword 128
- HardDiskPassword 128
- Enablingordisablingadevice 129
- Selectingastartupdevice 130
- EnablingErPcompliancemode 130
- ICEperformancemode 131
- ICEthermalalert 131
- ExitingtheSetupUtilityprogram 132
- Usingsystemprograms 133
- Chapter9.Preventingproblems 135
- UsingSystemUpdate 136
- Computer 137
- Keyboard 137
- Opticalmouse 137
- Displayscreen 137
- Goodmaintenancepractices 138
- Movingyourcomputer 138
- Basictroubleshooting 139
- Troubleshootingprocedure 140
- Troubleshooting 140
- NoaudioinWindows 141
- CDproblems 142
- DVDproblems 143
- DVDmoviewillnotplay 144
- Playbackisverysloworchoppy 144
- Intermittentproblems 145
- Monitorproblems 147
- Theimageisdiscolored 148
- Ethernetproblems 149
- AwirelessLANproblem 150
- AwirelessWANproblem 150
- Bluetoothproblem 151
- Performanceandlockupproblems 152
- Insufcientmemory 153
- Softwaredoesnotworkasexpected 154
- USBproblems 155
- LenovoSolutionCenter 156
- ©CopyrightLenovo2013 157
- LenovoSupportWebsite 158
- Helpandservice 158
- Callingforservice 158
- Usingotherservices 159
- Purchasingadditionalservices 159
- AppendixA.Notices 161
- Trademarks 162
- Exportclassicationnotice 163
- Electronicemissionsnotices 163
- Eurasiancompliancemark 165
- ImportantWEEEinformation 167
- RecyclinginformationforJapan 167
- RecyclinginformationforBrazil 168
- EuropeanUnionRoHS 171
- ChinaRoHS 171
- TurkishRoHS 171
- UkraineRoHS 172
- IndiaRoHS 172
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