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Settherefreshratetobethehighest,noninterlacedrefreshratesupportedonyourcomputer.Referto
thedocumentationthatcomeswithyourmonitorforthesupportedrefreshrates.
Theimageisdiscolored
Solution:Themonitormightbeaffectedbyinterferencefromnearbyequipment.Movefluorescentdesk
lightingoranyequipmentthatproducesmagneticfieldsfurtherawayfromthemonitor.Iftheproblem
persists,dothefollowing:
1.Turnoffthemonitor.
2.Adjusttheplacementofthemonitorandotherdevicessothattheyareatleast305mm(12inches)apart.
3.Turnonthemonitor.
Networkingproblems
Thissectionprovidessolutionstonetworking-relatedproblems.
Ethernetproblems
Mycomputercannotbeconnectedtothenetwork
Solutions:
•ConnectthecablefromtheEthernetconnectortotheRJ45connectorofthehub.
•Havethelatestdevicedriverinstalledonyourcomputer.
Tocheckwhetheryouareusingthelatestdevicedriver,dooneofthefollowing:
–OnWindows7:
1.ClickStart➙ControlPanel.
2.ClickHardwareandSound.
3.ClickDeviceManager.Typetheadministratorpasswordorprovideconfirmationifprompted.
4.IfanexclamationmarkisdisplayednexttoanadapternameunderNetworkadapters,theadapter
drivermightnotbethelatestorisdisabled.Right-clickthehighlightedadaptertoupdatethedriver.
5.ClickUpdateDriverSoftware,andthenfollowtheinstructionsonthescreen.
–OnWindows8.1:
1.OpenControlPanel.Formoreinformation,see“AccessingControlPanelontheWindows8.1
operatingsystem”onpage51.
2.ClickHardwareandSound.
3.ClickDeviceManager.Typetheadministratorpasswordorprovideconfirmationifprompted.
4.IfanexclamationmarkisdisplayednexttoanadapternameunderNetworkadapters,theadapter
drivermightnotbecorrectorisdisabled.Right-clickthehighlightedadaptertoupdatethedriver.
5.ClickUpdateDriverSoftware,andthenfollowtheinstructionsonthescreen.
•Setthesameduplexfortheswitchportandtheadapter.
Ifyouconfiguredtheadapterforfullduplex,ensurethattheswitchportisalsoconfiguredforfullduplex.
Settingthewrongduplexmodemightdegradeperformance,causedataloss,orresultinlostconnections.
•Installallnetworkingsoftwarethatisnecessaryforyournetworkenvironment.
CheckwithyourLANadministratorforthenecessarynetworkingsoftware.
Theadapterstopsworkingfornoreason
Solution:Thenetworkdriverfilesmightbecorruptormissing.Updatethedriverbyreferringtothe“Solution”
descriptionforthepreviousproblemtoensurethatthelatestdevicedriverisinstalled.
90ThinkStationP900HardwareMaintenanceManual
- ThinkStationP900 1
- HardwareMaintenanceManual 1
- FirstEdition(October2014) 2
- ©CopyrightLenovo2014 2
- Contents 3
- Aboutthismanual 7
- Powercordsandpoweradapters 9
- Generalsafety 9
- Electricalsafety 10
- Safetyinspectionguide 12
- Groundingrequirements 13
- ≥18kg≥32kg≥55kg 26
- Chapter2.Productoverview 35
- Locatingcomponents 38
- LocatingmajorFRUsandCRUs 39
- Locatingpartsonthesystemboard 42
- Locatinginternaldrives 43
- Figure6.Drivebaylocations 44
- Features 45
- Chapter2.Productoverview39 47
- Specifications 49
- Lenovoprograms 49
- Chapter2.Productoverview43 51
- Chapter3.Usingyourcomputer 53
- Usingthefingerprintreader 54
- Usingthewheelmouse 54
- Managingpower 54
- AutomaticPower-onfeatures 55
- Settingthecomputervolume 55
- Usingadisc 56
- Usingtheopticaldrive 56
- Handlingandstoringadisc 57
- Playingandremovingadisc 57
- Recordingadisc 57
- Frequentlyaskedquestions 59
- Chapter4.Youandyourcomputer 61
- Glareandlighting 62
- Aircirculation 62
- Accessibilityinformation 62
- Chapter4.Youandyourcomputer55 63
- Chapter4.Youandyourcomputer57 65
- Chapter5.Security 67
- Usingpasswords 69
- BIOSpasswords 69
- Windowspasswords 70
- Configuringthefingerprintreader 70
- Usingandunderstandingfirewalls 70
- Protectingdataagainstviruses 70
- .Security63 71
- Chapter6.Advancedconfiguration 73
- Passwordconsiderations 74
- Enablingordisablingadevice 75
- Selectingastartupdevice 76
- EnablingErPLPScompliancemode 76
- ExitingtheSetupUtilityprogram 77
- UpdatingorrecoveringtheBIOS 77
- BIOSlevels 77
- Usingsystemprograms 78
- UpdatingtheBIOSfromadisc 78
- ConfiguringRAID 80
- ConfiguringRAIDwithIntelRSTe 80
- Chapter7.Preventingproblems 87
- Computer 88
- Keyboard 88
- Opticalmouse 89
- Displayscreen 89
- Movingyourcomputer 90
- Basictroubleshooting 91
- Troubleshootingprocedure 92
- Troubleshooting 92
- NoaudioinWindows 93
- DVDproblems 94
- Intermittentproblems 95
- Harddiskdriveproblems 95
- Keysonthekeyboarddonotwork 96
- Themousedoesnotwork 96
- Monitorproblems 97
- Theimageisdiscolored 98
- Ethernetproblems 98
- Performanceandlockupproblems 99
- Insufficientmemory 100
- Softwareproblems 101
- Diagnostics 101
- LenovoSolutionCenter 102
- UEFIdiagnosticprogram 102
- Hardwarediagnostics 103
- Servicecheckout 105
- Problemdeterminationtips 105
- Symptom-to-FRUindex 106
- Harddiskdrivebooterror 106
- Powersupplyproblems 107
- Beepsymptoms 107
- POSTerrorcodes 107
- Miscellaneouserrorconditions 108
- Undeterminedproblems 110
- Chapter10.Recoveryinformation 111
- Creatingrecoverymedia 112
- Usingrecoverymedia 112
- Performingabackupoperation 112
- Performingarecoveryoperation 112
- Creatingarescuemedium 114
- Usingarescuemedium 114
- Solvingrecoveryproblems 116
- Refreshingyourcomputer 116
- Installingorreplacinghardware 119
- Installingexternaloptions 119
- Removingthecomputercover 119
- 1fromthe 122
- 2ofthestoragedrive 123
- 2.Then,pivottheadapteras 129
- 1intheconverter.Then,slide 131
- 2toremoveitfromthebracket 135
- 2.Ensurethattheclip 135
- 2onthecoverpresenceswitch 136
- 1toremoveitfromthechassis 137
- Replacingthebattery 153
- Figure60.Openingthecardlatch 155
- Figure63.Closingthecardlatch 156
- InstallingorreplacingaPCIcard 157
- 1isopened 158
- Figure67.RemovingthePCIcard 160
- Figure68.InstallingthePCIcard 161
- 3isopened 164
- 1asshownto 165
- Replacingtherearfanassembly 175
- Figure86.Openingthehandles 177
- Figure88.Donottouchthepins 178
- 4ofthemicroprocessorsocket 179
- Replacingamicroprocessor 180
- Figure93.Openingthehandles 182
- Figure96.Donottouchthepins 183
- Replacingthesystemboard 185
- Replacingtheinternalspeaker 189
- Replacingthekeyboardormouse 191
- Completingthepartsreplacement 191
- Obtainingdevicedrivers 192
- Informationresources 193
- LenovoThinkVantageTools 193
- HelpandSupport 193
- SafetyandWarranty 193
- LenovoWebsite 193
- LenovoSupportWebsite 194
- Helpandservice 194
- Callingforservice 194
- Usingotherservices 195
- Purchasingadditionalservices 195
- Chapter13.Systemmemoryspeed 197
- Exportclassificationnotice 199
- Electronicemissionsnotices 199
- Eurasiancompliancemark 201
- Brazilregulatorynotice 201
- Mexicoregulatorynotice 201
- ImportantWEEEinformation 203
- RecyclinginformationforJapan 203
- RecyclinginformationforBrazil 204
- EuropeanUnionRoHS 207
- ChinaRoHS 207
- TurkishRoHS 207
- UkraineRoHS 208
- IndiaRoHS 208
- AppendixE.Notices 211
- Trademarks 212
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