Lenovo T550 Technical Information Page 42
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Rated. / 5. Based on customer reviews
Note:DotheFRUreplacementorotheractionsinthesequenceshowninthecolumnheaded“FRUor
action,insequence.”IfreplacingaFRUdoesnotsolvetheproblem,puttheoriginalpartbackinthe
computer.DonotreplaceanondefectiveFRU.
Thisindexcanalsohelpyoudetermine,duringregularservicing,whatFRUsarelikelytoneedtobe
replacednext.
AnumericerrorisdisplayedforeacherrordetectedinPOSTorsystemoperation.Inthedisplays,ncan
beanynumber.
Ifnonumericcodeisdisplayed,checkthenarrativedescriptionsofsymptoms.Ifthesymptomisnot
describedthere,goto“Intermittentproblems”onpage38.
Note:ForadevicenotsupportedbydiagnosticcodesintheThinkPadnotebookcomputers,seethe
manualforthatdevice.
Numericerrorcodes
Table1.Numericerrorcodes
Symptomorerror
FRUoraction,insequence
0177
BadSVPdata,stopPOSTtask—Thechecksumofthe
supervisorpasswordintheEEPROMisnotcorrect.
Systemboard
0183
BadCRCofSecuritySettingsinEFIVariable.Enterthe
ThinkPadSetupprogram.
1.RuntheThinkPadSetupprogram,andthensave
currentsettingbypressingF10.
2.Systemboard
0187
EAIAdataaccesserror—TheaccesstoEEPROMisfailed.
Systemboard
0188
InvalidRFIDSerializationInformationArea.
Systemboard
0189
InvalidRFIDconfigurationinformationarea—The
EEPROMchecksumisnotcorrect.
Systemboard
0190
Criticallow-batteryerror
1.Chargethebattery.
2.Battery
0191
SystemSecurity—InvalidRemoteChangerequested.
1.RuntheThinkPadSetupprogram,andthensave
currentsettingbypressingF10.
2.Systemboard
0199
SystemSecurity—Securitypasswordretrycount
exceeded.
1.RuntheThinkPadSetupprogram,andthensave
thecurrentsettingbypressingF10.
2.Systemboard
0270
RealTimeClockError.
SystemRealTimeClockisnotfunctional.Have
thecomputerserviced.
0271
CheckDateandTimesettings..
Neitherthedatenorthetimeissetinthecomputer.
EnterThinkPadSetupandsetthedateandtime.
1802
Unauthorizednetworkcardispluggedin—Turnoffand
removethenetworkcard.
1.Removewirelessnetworkcard.
2.Systemboard
1820
Morethanoneexternalfingerprintreaderisattached.
Poweroffandremoveallbutthereaderthatyousetup
withinyourmainoperatingsystem.
Removeallbutthereaderthatyousetupforthe
authentication.
36HardwareMaintenanceManual
- HardwareMaintenanceManual 1
- FirstEdition(January2015) 2
- ©CopyrightLenovo2015 2
- Contents 3
- AppendixA.Notices.........103 4
- Aboutthismanual 5
- Chapter1.Safetyinformation 7
- Safetyinspectionguide 8
- Chapter1.Safetyinformation3 9
- Groundingrequirements 10
- Chapter1.Safetyinformation5 11
- 6HardwareMaintenanceManual 12
- .Safetyinformation7 13
- Chapter1.Safetyinformation9 15
- VORSICHT 17
- .Safetyinformation11 17
- 12HardwareMaintenanceManual 18
- .Safetyinformation13 19
- 14HardwareMaintenanceManual 20
- .Safetyinformation15 21
- 16HardwareMaintenanceManual 22
- .Safetyinformation17 23
- 18HardwareMaintenanceManual 24
- StrategyforreplacingFRUs 25
- Howtouseerrormessage 26
- Productdefinition 26
- FRUidentification 26
- 22HardwareMaintenanceManual 28
- Chapter3.Generalcheckout 29
- Checkoutguide 30
- LenovoSolutionCenter 30
- Quicktestprograms 30
- UEFIdiagnosticprogram 31
- Bootablediagnosticprograms 31
- Powersystemcheckout 32
- Checkingtheacpoweradapter 32
- Checkingthecoin-cellbattery 33
- 28HardwareMaintenanceManual 34
- Passwords 38
- Power-onpassword 38
- Harddiskpassword 38
- Supervisorpassword 39
- Powermanagement 40
- Sleepmode 40
- Hibernationmode 41
- Symptom-to-FRUindex 41
- Numericerrorcodes 42
- Errormessages 43
- Beepsymptoms 43
- No-beepsymptoms 44
- LCD-relatedsymptoms 44
- Intermittentproblems 44
- Undeterminedproblems 45
- 40HardwareMaintenanceManual 46
- Chapter5.Locations 47
- Left-sideview 48
- Bottomview 48
- LocatingFRUsandCRUs 49
- MajorFRUs 50
- Chapter5.Locations45 51
- 46HardwareMaintenanceManual 52
- Formodelswithtouchfunction: 53
- .Locations47 53
- Miscellaneouspart 54
- 48HardwareMaintenanceManual 54
- LookingupFRUinformation 55
- 50HardwareMaintenanceManual 56
- Commonservicetools 57
- Screwnotices 57
- 90degreesmore 58
- (Cross-section) 58
- 180degreesmore 58
- RetainingtheUUID 59
- Generalguidelines 61
- Beforeservicingthecomputer 62
- Disablingthebuilt-inbattery 62
- RemovingthemicroSIMcard 62
- RemovingamajorFRU 62
- 1010Removablebattery 63
- 1020Basecoverassembly 63
- 58HardwareMaintenanceManual 64
- 1030Keyboard 65
- Removalstepsofthekeyboard 66
- 60HardwareMaintenanceManual 66
- 62HardwareMaintenanceManual 68
- StepScrew(quantity)Color 70
- (1.85kgf-cm) 70
- 1050Memorymodule 72
- 1060WirelessLANcard 72
- 1070WirelessWANcard 73
- 1080M.2solid-statedrive 74
- 1090Coin-cellbattery 75
- 1130Thermalfan 79
- 1140Speakerassembly 81
- 1160Fingerprintreaderassembly 83
- Black0.181Nm 84
- 1180Systemboardassembly 85
- 1190LCDunit 87
- 1210Powerbuttonboard 89
- 1220Keyboardassembly 90
- 2010LCDbezelassembly 91
- 2020LCDpanelandLCDcable 91
- 2030Hingesandhingebrackets 92
- 2040Camera/microphonecard 93
- 2050LEDcableassembly 94
- 3010LCDfrontsheetbezel 98
- (3 kgf-cm) 99
- 3030Hinges 100
- 3040Camera/microphonecard 101
- 3050Touchsensorcard 102
- 3060LEDcableassembly 103
- .RemovingorreplacingaFRU99 105
- 102HardwareMaintenanceManual 108
- AppendixA.Notices 109
- Electronicemissionsnotices 110
- Trademarks 110
- *1PSP40G55010* 112
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