Lenovo W541 manuels

Lenovo W541 Informations techniques (116 pages)

marque: Lenovo | Catégorie: Carnets de notes | Taille: 36.76 MB |

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Table des matières

HardwareMaintenanceManual

1

ThirdEdition(November2014)

2

©CopyrightLenovo2013,2014

2

Contents

3

AppendixA.Notices.........105

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

20

.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

Checkingthecoin-cellbattery

34

8.1only)

36

Refreshingyourcomputer

36

Creatingandusingrecoverymedia

38

Passwords

39

Power-onpassword

39

Harddiskpassword

39

Supervisorpassword

40

Powermanagement

41

Sleepmode

41

Hibernationmode

42

Symptom-to-FRUindex

42

Numericerrorcodes

43

Errormessages

44

Beepsymptoms

44

No-beepsymptoms

45

LCD-relatedsymptoms

45

Intermittentproblems

45

Undeterminedproblems

46

Chapter5.Statusindicators

47

42HardwareMaintenanceManual

48

Chapter6.Functionkeys

49

44HardwareMaintenanceManual

50

Chapter7.Locations

51

Rearview

52

Bottomview

52

LocatingFRUsandCRUs

53

MajorFRUs

54

.Locations49

55

50HardwareMaintenanceManual

56

LookingupFRUinformation

57

52HardwareMaintenanceManual

58

90degreesmore

59

(Cross-section)

59

180degreesmore

60

RetainingtheUUID

61

Generalguidelines

63

Commonservicetools

64

Beforeservicingthecomputer

64

RemovingtheSIMcard

64

1010Batterypack

64

1030Largebottomdoor

66

1050Opticaldrive

67

1060Memorymodule

68

1070Smallbottomdoor

69

1080WirelessLANcard

70

Black0.181Nm

72

1100Coin-cellbattery

73

1110Keyboard

74

.RemovingorreplacingaFRU69

75

70HardwareMaintenanceManual

76

Installationstepsofkeyboard

76

.RemovingorreplacingaFRU71

77

1120Keyboardbezelassembly

79

Removethescrews1

80

Wheninstalling:

80

74HardwareMaintenanceManual

80

Removalstepsofthecolorsensor

82

76HardwareMaintenanceManual

82

.RemovingorreplacingaFRU77

83

RemovalstepsoftheNFCcard

84

78HardwareMaintenanceManual

84

1150LCDunit

88

.RemovingorreplacingaFRU83

89

1160Magnesiumstructureframe

91

1170Speakerassembly

92

1180dc-incableassembly

93

1190Thermalfanassembly

94

2inascendingalphabetical

95

1200USBcard

96

1210Microprocessor

96

1220Systemboardandbasecover

97

.RemovingorreplacingaFRU93

99

2010LCDfrontbezel

100

Important:

101

StepScrew(quantity)Color

102

(1.85kgf-cm)

102

Black0.392Nm

103

(4.0kgf-cm)

103

.RemovingorreplacingaFRU99

105

104HardwareMaintenanceManual

110

AppendixA.Notices

111

Electronicemissionsnotices

112

Trademarks

112

AppendixB.Abbreviationtable

113

108HardwareMaintenanceManual

114

*1PSP40A26003_02*

116

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