Lenovo THINKPAD E31 User Manual Page 43
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Table2.Numericerrorcodes(continued)
Symptomorerror(beeps,ifany)
FRUoraction,insequence
02F7
Fail-safetimerNMIfailed
(twoshortbeeps)
1.DIMM.
2.Systemboard.
1802
Unauthorizednetworkcardispluggedin—Turnoffand
removetheminiPCInetworkcard.
(twoshortbeeps)
1.RemovetheMiniPCInetworkcard.
2.Systemboard.
1804
UnauthorizedWANcardispluggedin—Poweroffand
removetheWANcard.
1.RemovethewirelessWANcard.
2.Systemboard.
Errormessages
Table3.Errormessages
Symptomorerror(beeps,ifany)
FRUoraction,insequence
BadCRC2.EnterBIOSSetupUtility,andloadSetup
defaults.
(twoshortbeeps)
PressF1toenterBIOSSetupUtility.PressF9,and
Entertoloadthedefaultsetting.Thensavethecurrent
settingbypressingF10,andrestartthecomputer.
Fanerror.
(fourshortbeeps,onelongbeep)
1.Fan.
2.Thermalgrease.
3.Systemboard.
DRAMisunplugged.
(oneshortbeep,pause,threeshortbeeps,pause,three
shortbeeps,pause,oneshortbeep.)
Memorycardisnotinstalled.Installmemorycard.
DRAMisnotwellplugged.
(oneshortbeep,pause,threeshortbeeps,pause,three
shortbeeps,pause,oneshortbeep.)
Reinstallthememorycard.
Operatingsystemnotfound.1.Checkthattheoperatingsystemhasnofailure
andisinstalledcorrectly.
2.EnterBIOSSetupUtilityandseewhetherthehard
diskdriveisproperlyidentied.Ifyoustillseethe
sameerrormessage,checkthebootsequence.
3.Reinstalltheharddiskdrive.
4.Reinstalltheoperatingsystem.
SystemCongurationDataReadError
(twoshortbeeps)
PressF1toenterBIOSSetupUtility.PressF9,and
Entertoloadthedefaultsetting.Thensavethecurrent
settingbypressingF10,andrestartthecomputer.
No-beepsymptoms
Table4.No-beepsymptoms
Symptomorerror
FRUoraction,insequence
Nobeep,power-onindicatoron,LCDblank,andno
POST.
1.Makesurethateveryconnectorisconnected
tightlyandcorrectly.
2.DIMM.
3.Systemboard.
Nobeep,power-onindicatoron,andLCDblankduring
POST.
1.ReseatDIMM.
2.Systemboard.
Chapter4.Relatedserviceinformation37
- HardwareMaintenanceManual 1
- AppendixA“Notices”onpage117 2
- Contents 3
- Chapter9.Locations.........89 4
- AppendixA.Notices.........117 4
- Aboutthismanual 5
- Chapter1.Safetyinformation 7
- Safetyinspectionguide 9
- Groundingrequirements 10
- Chapter1.Safetyinformation5 11
- 6HardwareMaintenanceManual 12
- .Safetyinformation7 13
- Chapter1.Safetyinformation9 15
- Chapter1.Safetyinformation11 17
- 12HardwareMaintenanceManual 18
- .Safetyinformation13 19
- 14HardwareMaintenanceManual 20
- .Safetyinformation15 21
- 16HardwareMaintenanceManual 22
- .Safetyinformation17 23
- 18HardwareMaintenanceManual 24
- StrategyforreplacingFRUs 25
- Howtouseerrormessage 26
- Productdenition 26
- 22HardwareMaintenanceManual 28
- Chapter3.Generalcheckout 29
- Checkoutguide 30
- Testingthecomputer 31
- LenovoThinkVantageToolbox 33
- FRUtests 33
- Powersystemcheckout 34
- CheckingtheACadapter 34
- Checkingoperationalcharging 35
- Checkingthebatterypack 35
- Checkingthebackupbattery 36
- ©CopyrightLenovo2009,2011 37
- Passwords 38
- Power-onpassword 38
- Hard-diskpassword 38
- Supervisorpassword 39
- Powermanagement 40
- Screenblankmode 40
- Sleepmode 40
- Hibernationmode 40
- Symptom-to-FRUindex 41
- Numericerrorcodes 41
- 36HardwareMaintenanceManual 42
- Errormessages 43
- No-beepsymptoms 43
- LCD-relatedsymptoms 44
- Intermittentproblems 44
- Undeterminedproblems 45
- 40HardwareMaintenanceManual 46
- Chapter5.Statusindicators 47
- 42HardwareMaintenanceManual 48
- Chapter6.Specialkeys 49
- 44HardwareMaintenanceManual 50
- Screwnotices 51
- Retainingserialnumbers 52
- RetainingtheUUID 53
- 48HardwareMaintenanceManual 54
- 1010Batterypack 56
- 1020Bottomslotcover 56
- Assettaglabel 57
- 1030DIMM 58
- 1040Harddiskdrive(HDD) 59
- .RemovingandreplacingaFRU55 61
- StepScrew(quantity)Color 62
- Black0.181Nm 62
- (1.85kgfcm) 62
- 1070Keyboard 63
- Installationstepsofkeyboard 64
- 58HardwareMaintenanceManual 64
- 60HardwareMaintenanceManual 66
- .RemovingandreplacingaFRU61 67
- 1090Backupbattery 68
- 1110Speakerassembly 70
- Removalstepsofspeakerassembly 71
- .RemovingandreplacingaFRU65 71
- 1120Systemboardandfanassembly 72
- .RemovingandreplacingaFRU67 73
- 68HardwareMaintenanceManual 74
- ForAMDmodels(MT0221): 75
- .RemovingandreplacingaFRU69 75
- 70HardwareMaintenanceManual 76
- .RemovingandreplacingaFRU71 77
- 9,butdonotremovethem 78
- 74HardwareMaintenanceManual 80
- 1140LCDunit 81
- RemovalstepsofLCDunit 82
- 76HardwareMaintenanceManual 82
- .RemovingandreplacingaFRU77 83
- 2010LCDbezelassembly 86
- 2020Integratedcamera 87
- 2030LCDpanelandLCDcable 88
- .RemovingandreplacingaFRU83 89
- 2040Hingekit 90
- Removalstepsofhingekit 91
- •“1010Batterypack”onpage50 91
- .RemovingandreplacingaFRU85 91
- 88HardwareMaintenanceManual 94
- Chapter9.Locations 95
- Bottomview 96
- Chapter10.Partslist 97
- 92HardwareMaintenanceManual 98
- .Partslist93 99
- 94HardwareMaintenanceManual 100
- .Partslist95 101
- 96HardwareMaintenanceManual 102
- .Partslist97 103
- 98HardwareMaintenanceManual 104
- .Partslist99 105
- 100HardwareMaintenanceManual 106
- .Partslist101 107
- 102HardwareMaintenanceManual 108
- .Partslist103 109
- Keyboard 110
- ACadapters 111
- Miscellaneousparts 112
- Powercords 112
- Recoverydiscs 113
- Windows7HomeBasic(32bit)DVDs 113
- Chapter10.Partslist109 115
- 110HardwareMaintenanceManual 116
- Chapter10.Partslist111 117
- 112HardwareMaintenanceManual 118
- •0492-CTO 119
- .Partslist113 119
- 2Yx,33x,34x,36x,3Dx,3Cx 120
- •0250-CTO 120
- 114HardwareMaintenanceManual 120
- Commonservicetools 121
- 116HardwareMaintenanceManual 122
- AppendixA.Notices 123
- Trademarks 124
- *63Y0744_03* 126
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