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Lenovo T430u User Manual Page 15
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PERIGO
PERIGO
DANGER
DANGER
DANGER
Chapter
1
.
Safety
information
9
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HardwareMaintenanceManual
1
FirstEdition(August2012)
2
©CopyrightLenovo2012
2
Contents
3
AppendixA.Notices..........93
4
Aboutthismanual
5
Chapter1.Safetyinformation
7
Electricalsafety
8
Safetyinspectionguide
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
.Safetyinformation19
25
20HardwareMaintenanceManual
26
StrategyforreplacingFRUs
27
Howtouseerrormessage
28
Productdenition
28
24HardwareMaintenanceManual
30
Chapter3.Generalcheckout
31
Checkoutguide
32
LenovoSolutionCenter
32
Quicktestprograms
32
UEFIdiagnosticprogram
33
Bootablediagnosticprograms
33
Powersystemcheckout
34
Checkingtheacpoweradapter
34
Checkingoperationalcharging
35
Checkingthebatterypack
35
Checkingthebackupbattery
35
30HardwareMaintenanceManual
36
Passwords
38
Power-onpassword
38
Hard-diskpassword
38
Supervisorpassword
39
Powermanagement
40
Screenblankmode
40
Sleepmode
40
Hibernationmode
41
Symptom-to-FRUindex
41
Numericerrorcodes
42
Errormessages
43
No-beepsymptoms
43
Beepsymptoms
43
LCD-relatedsymptoms
43
Intermittentproblems
44
Undeterminedproblems
44
.Relatedserviceinformation39
45
40HardwareMaintenanceManual
46
Chapter5.Statusindicators
47
42HardwareMaintenanceManual
48
44HardwareMaintenanceManual
50
Chapter7.Locations
51
Rearview
52
Bottomview
52
LocatingFRUsandCRUs
52
.Locations47
53
MajorFRUsandCRUs
54
.Locations49
55
LCDFRUsandCRUs
56
LookingupFRUinformation
57
52HardwareMaintenanceManual
58
Screwnotices
59
Retainingserialnumbers
60
RetainingtheUUID
61
56HardwareMaintenanceManual
62
Generalguidelines
63
Beforeservicingthecomputer
64
RemovingtheSIMcard
64
1010Bottomcover
64
1020Batterypack
66
StepScrew(quantity)Color
67
Black0.181Nm
67
(1.85kgf-cm)
67
1040Keyboard
69
64HardwareMaintenanceManual
70
1050Memorymodule
72
AUXonthecard
75
.RemovingorreplacingaFRU69
75
1080Backupbattery
77
1090Keyboardbezel
78
.RemovingorreplacingaFRU73
79
1110Speakerassembly
81
1120Mediacardreader
82
1130Fingerprintreader
83
1140Powerbuttonsubcard
84
Bronze0.181Nm
88
M2×2.0mm,at-head(6)
88
2010LCDunit
90
86HardwareMaintenanceManual
92
2020LCDbezel
93
2030LCDpanel
93
Foraccess,removethisFRU:
94
•“2020LCDbezel”onpage87
94
88HardwareMaintenanceManual
94
2050Hinges
95
92HardwareMaintenanceManual
98
AppendixA.Notices
99
Electronicemissionsnotices
100
Trademarks
100
*1P0B48901*
101
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