Lenovo THINKPAD E31 User Manual download pdf (Page 80)

•“1110Speakerassembly”onpage64

•“1120Systemboardandfanassembly”onpage66

RemovalstepsofI/Ocardassembly,audiocable,andI/Ocable

StepScrew(quantity)Color

Torque

M2×3mm,at-head,nylon-coated(1)

Black0.181Nm

(1.85kgfcm)

74HardwareMaintenanceManual

1 2 ... 75 76 77 78 79 80 81 82 83 84 85 ... 125 126

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
Productdenition 26
22HardwareMaintenanceManual 28
Chapter3.Generalcheckout 29
Checkoutguide 30
Testingthecomputer 31
LenovoThinkVantageToolbox 33
FRUtests 33
Powersystemcheckout 34
CheckingtheACadapter 34
Checkingoperationalcharging 35
Checkingthebatterypack 35
Checkingthebackupbattery 36
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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Lenovo THINKPAD E31 User Manual Page 80

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