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60
ThinkCentr
e
E93z
Har
dware
Maint
enance
Manual
1
2
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ThinkCentreE93z
1
HardwareMaintenanceManual
1
ThirdEdition(January2014)
2
GS-35F-05925
2
Contents
3
Chapter10.Additionalservice
4
AppendixA.Notices.........133
4
Index.................135
4
Chapter1.Aboutthismanual
5
Chapter2.Safetyinformation
7
Safetyinspectionguide
9
Groundingrequirements
10
Chapter2.Safetyinformation7
11
.Safetyinformation9
13
Chapter2.Safetyinformation11
15
.Safetyinformation13
17
.Safetyinformation15
19
Chapter2.Safetyinformation17
21
≥18kg≥32kg≥55kg
23
.Safetyinformation21
25
Chapter2.Safetyinformation25
29
Chapter3.Generalinformation
33
Specifications
34
Lenovoprograms
34
Chapter3.Generalinformation31
35
LenovoSupportWebsite
36
Chapter4.Generalcheckout
37
Basictroubleshooting
39
Troubleshootingprocedure
40
Troubleshooting
41
Audioproblems
41
NoaudioinWindows
42
CDproblems
43
DVDproblems
44
Intermittentproblems
45
Harddiskdriveproblems
45
Monitorproblems
48
Networkingproblems
50
Optionproblems
52
Performanceandlockupproblems
53
Printerproblems
55
Serialportproblems
55
Softwareproblems
56
USBproblems
57
Diagnostics
57
LenovoSolutionCenter
58
Viewingandchangingsettings
59
Usingpasswords
59
Passwordconsiderations
60
Power-onpassword
60
Administratorpassword
60
Enablingordisablingadevice
61
Selectingastartupdevice
61
EnablingErPcompliancemode
62
ExitingtheSetupUtilityprogram
63
Chapter7.Symptom-to-FRUIndex
65
POSTerrorcodes
66
Miscellaneouserrorconditions
67
Undeterminedproblems
69
Chapter8.Locations
71
.Locations69
73
LocatingmajorFRUsandCRUs
74
.Locations71
75
LookingupFRUinformation
76
Locatingpartsonthesystemboard
77
Chapter9.ReplacingFRUs
79
Figure5.Removingtheframestand
80
Chapter9.ReplacingFRUs77
81
Chapter9.ReplacingFRUs79
83
Removingthecomputercover
84
Replacingthefeet
85
Replacingtheharddiskdrive
86
Chapter9.ReplacingFRUs83
87
Replacingtheopticaldrive
88
Chapter9.ReplacingFRUs85
89
.ReplacingFRUs87
91
.ReplacingFRUs89
93
ReplacingtherearI/Oassembly
94
.ReplacingFRUs91
95
1andthepowercable2.Alignthe
96
3tosecuretheearthwire
96
Chapter9.ReplacingFRUs93
97
.ReplacingFRUs95
99
Replacingthemicroprocessorfan
101
Replacingtheheatsinkassembly
103
Replacingthemicroprocessor
104
Chapter9.ReplacingFRUs101
105
4ofthemicroprocessorsocket
106
Replacingthecardreader
107
ReplacingtheGPUfan
108
.ReplacingFRUs105
109
Replacingthebattery
110
Replacingtheconverterboard
111
Attention:
113
Replacingtheinternalspeakers
114
Chapter9.ReplacingFRUs111
115
Replacingtheintegratedcamera
116
.ReplacingFRUs113
117
Replacingthesystemboard
118
Chapter9.ReplacingFRUs115
119
ReplacingtheLCDpanelassembly
121
Chapter9.ReplacingFRUs119
123
ReplacingtheWi-Ficard
125
Figure66.RemovingtheWi-Ficard
126
Replacingthekeyboardormouse
127
Replacingthewirelesskeyboard
128
Replacingthewirelessmouse
128
Chapter9.ReplacingFRUs125
129
Completingthepartsreplacement
130
Chapter9.ReplacingFRUs127
131
©CopyrightLenovo2013,2014
133
Powermanagement
136
AutomaticPower-onfeatures
136
AppendixA.Notices
137
Televisionoutputnotice
138
EuropeanconformanceCEmark
138
Trademarks
138
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