Lenovo 33472YU manuals

Lenovo 33472YU User Manual (98 pages)

Brand: Lenovo | Category: Laptops | Size: 16.77 MB |

English

Table of contents

HardwareMaintenanceManual

1

FirstEdition(September2012)

2

©CopyrightLenovo2012

2

Contents

3

AppendixA.Notices..........89

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

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

39

Power-onpassword

39

Hard-diskpassword

39

Supervisorpassword

40

Powermanagement

41

Sleepmode

41

Hibernationmode

41

Wirelessoffmode

42

Symptom-to-FRUindex

42

Numericerrorcodes

42

.Relatedserviceinformation37

43

Errormessages

44

No-beepsymptoms

44

Beepsymptoms

44

LCD-relatedsymptoms

45

Intermittentproblems

45

Undeterminedproblems

45

Chapter5.Statusindicators

47

42HardwareMaintenanceManual

48

Chapter6.Specialkeys

49

44HardwareMaintenanceManual

50

Chapter7.Locations

51

Rearview

52

Bottomview

52

LocatingFRUsandCRUs

52

.Locations47

53

MajorFRUsandCRUs

54

.Locations49

55

50HardwareMaintenanceManual

56

LookingupFRUinformation

57

52HardwareMaintenanceManual

58

Screwnotices

59

Retainingserialnumbers

60

RetainingtheUUID

61

56HardwareMaintenanceManual

62

Beforeservicingthecomputer

64

Disablingthebuilt-inbattery

64

RemovingtheSIMcard

64

.RemovingorreplacingaFRU59

65

1020Keyboard

66

.RemovingorreplacingaFRU61

67

StepScrew(quantity)Color

69

(1.85kgf-cm)

69

•“1020Keyboard”onpage60

70

64HardwareMaintenanceManual

70

Removalstepsofkeyboardbezel

72

66HardwareMaintenanceManual

72

68HardwareMaintenanceManual

74

1060Batterypack

75

1070Proximitysensors

76

1090LCDunit

79

76HardwareMaintenanceManual

82

1100DC-inconnector

83

2010Buttonbezel

87

2020LCDpanel

87

2030Buttonboard

88

2040Integratedcamera

89

2050Hinge

90

WirelessLANmainantenna

91

LCDcableassembly

91

AppendixA.Notices

95

Electronicemissionsnotices

96

Trademarks

96

*1P0B48943*

98

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