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6
Hardwar
e
Maint
enance
Manual
1
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HardwareMaintenanceManual
1
FirstEdition(February2015)
2
Contents
3
AppendixA.Notices.........105
4
AppendixB.Abbreviationand
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
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.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
33
Checkingoperationalcharging
33
Checkingthecoin-cellbattery
34
8.1operatingsystems
36
Passwords
39
Power-onpassword
39
Harddiskpassword
40
Supervisorpassword
40
Powermanagement
40
Sleepmode
41
Hibernationmode
41
Symptom-to-FRUindex
42
Numericerrorcodes
42
Errormessages
43
Beepsymptoms
44
No-beepsymptoms
45
LCD-relatedsymptoms
45
Intermittentproblems
45
Undeterminedproblems
46
Chapter5.Statusindicators
47
42HardwareMaintenanceManual
48
44HardwareMaintenanceManual
50
Chapter7.Locations
51
Left-sideview
52
Bottomview
52
LocatingFRUsandCRUs
52
•“LCDFRUs”onpage50
53
.Locations47
53
MajorFRUs
54
.Locations49
55
Formodelswithnon-touchpanel
56
50HardwareMaintenanceManual
56
Formodelswithtouchpanel
57
.Locations51
57
MiscellaneouskitsandotherFRUs
58
LookingupFRUinformation
59
54HardwareMaintenanceManual
60
90degreesmore
61
(Cross-section)
61
180degreesmore
62
RetainingtheUUID
63
Generalguidelines
65
Beforeservicingthecomputer
66
Disablingthebuilt-inbattery
66
Removingthemicro-SIM-cardtray
66
1010Removablebatterypack
67
1020Basecoverassembly
67
1 32 4 5 6 7
69
1213 891011
69
StepScrew(quantity)Color
70
(1.85kgf-cm)
70
1050Storagedriveanddrivecable
71
1040Memorymodule
71
1060Wireless-LANcard
73
Black0.181Nm
74
.RemovingorreplacingaFRU69
75
1080Fanassembly
76
1090dc-incableassembly
78
1100Systemboard
79
.RemovingorreplacingaFRU75
81
1110Coin-cellbattery
83
1120Speakerassembly
84
1140LCDunit
87
1150Power-buttoncard
90
1160Keyboardassembly
91
2010LCDbezel
93
90HardwareMaintenanceManual
96
92HardwareMaintenanceManual
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3010LCDI-shapedbezel
99
RemovalstepsoftheLCDhinges
101
.RemovingorreplacingaFRU95
101
96HardwareMaintenanceManual
102
3030LCDpanelandLCDcable
103
98HardwareMaintenanceManual
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100HardwareMaintenanceManual
106
102HardwareMaintenanceManual
108
Cablerouting:
108
104HardwareMaintenanceManual
110
AppendixA.Notices
111
Trademarks
112
©CopyrightLenovo2015
113
108HardwareMaintenanceManual
114
*1PSP40F30022*
116
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