Lenovo L420 manuels

Lenovo L420 Informations techniques (174 pages)

marque: Lenovo | Catégorie: Carnets de notes | Taille: 14.70 MB |

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Table des matières

HardwareMaintenanceManual

1

AppendixA“Notices”onpage165

2

Contents

3

Chapter9.Locations........113

4

AppendixA.Notices........165

4

Aboutthismanual

5

Chapter1.Safetyinformation

7

Electricalsafety

8

Safetyinspectionguide

9

Groundingrequirements

10

Chapter1.Safetyinformation5

11

6HardwareMaintenanceManual

12

.Safetyinformation7

13

Chapter1.Safetyinformation9

15

Chapter1.Safetyinformation11

17

12HardwareMaintenanceManual

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.Safetyinformation13

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14HardwareMaintenanceManual

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.Safetyinformation15

21

16HardwareMaintenanceManual

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.Safetyinformation17

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.Safetyinformation19

25

20HardwareMaintenanceManual

26

.Safetyinformation21

27

22HardwareMaintenanceManual

28

.Safetyinformation23

29

24HardwareMaintenanceManual

30

StrategyforreplacingFRUs

31

Howtouseerrormessage

32

Productdenition

32

28HardwareMaintenanceManual

34

Chapter3.Generalcheckout

35

Checkoutguide

36

Testingthecomputer

37

LenovoThinkVantageToolbox

39

FRUtests

39

Powersystemcheckout

40

Checkingtheacpoweradapter

40

Checkingoperationalcharging

41

Checkingthebatterypack

41

Checkingthebackupbattery

42

©CopyrightLenovo2011

43

Passwords

44

Power-onpassword

44

Hard-diskpassword

44

Supervisorpassword

45

Powermanagement

46

Screenblankmode

46

Sleep(standby)mode

46

Hibernationmode

47

Symptom-to-FRUindex

47

Numericerrorcodes

48

.Relatedserviceinformation43

49

Errormessages

50

No-beepsymptoms

50

LCD-relatedsymptoms

50

Intermittentproblems

51

Undeterminedproblems

51

48HardwareMaintenanceManual

54

Chapter6.Fnkeycombinations

55

50HardwareMaintenanceManual

56

.Fnkeycombinations51

57

52HardwareMaintenanceManual

58

Screwnotices

59

Retainingserialnumbers

60

RetainingtheUUID

60

56HardwareMaintenanceManual

62

1010Batterypack

63

58HardwareMaintenanceManual

64

.RemovingandreplacingaFRU59

65

1030Opticaldriveortravelcover

66

1040Thermalcover

67

1,butdonotremovethem

68

.RemovingandreplacingaFRU63

69

64HardwareMaintenanceManual

70

1060DIMM

71

1070Fanassembly

72

.RemovingandreplacingaFRU67

73

Table17.RemovalstepsofCPU

74

1090SIMslotcover

75

70HardwareMaintenanceManual

76

1,butdonotremoveit

77

1110mSATAsolidstatedrive

79

StepScrew(quantity)Color

80

Black0.181Nm

80

(1.85kgfcm)

80

76HardwareMaintenanceManual

82

.RemovingandreplacingaFRU77

83

8asshowninthefollowinggure

84

.RemovingandreplacingaFRU79

85

1140Backupbattery

86

1150Bluetoothdaughtercard

86

82HardwareMaintenanceManual

88

1170Keyboard

89

84HardwareMaintenanceManual

90

1180Keyboardbezel

91

1190LCDunit

93

2010Topshieldingassembly

96

2020Systemboardassembly

99

94HardwareMaintenanceManual

100

.RemovingandreplacingaFRU95

101

(continued)

102

.RemovingandreplacingaFRU97

103

•“1010Batterypack”onpage57

104

•“1040Thermalcover”onpage61

104

98HardwareMaintenanceManual

104

2040DC-incableandbasecover

106

.RemovingandreplacingaFRU101

107

2050LCDfrontbezel

109

2060Speakerassembly

110

2070Integratedcamera

111

2080Antennaassembly

112

ForThinkPadL520models:

114

.RemovingandreplacingaFRU109

115

.RemovingandreplacingaFRU111

117

112HardwareMaintenanceManual

118

Chapter9.Locations

119

Rearview

120

Bottomview

120

Chapter10.Partslist

121

.Partslist117

123

118HardwareMaintenanceManual

124

.Partslist119

125

120HardwareMaintenanceManual

126

.Partslist121

127

122HardwareMaintenanceManual

128

.Partslist123

129

124HardwareMaintenanceManual

130

.Partslist125

131

126HardwareMaintenanceManual

132

.Partslist127

133

128HardwareMaintenanceManual

134

.Partslist129

135

130HardwareMaintenanceManual

136

.Partslist131

137

132HardwareMaintenanceManual

138

.Partslist133

139

134HardwareMaintenanceManual

140

.Partslist135

141

136HardwareMaintenanceManual

142

.Partslist137

143

138HardwareMaintenanceManual

144

.Partslist139

145

140HardwareMaintenanceManual

146

.Partslist141

147

142HardwareMaintenanceManual

148

.Partslist143

149

144HardwareMaintenanceManual

150

Chapter10.Partslist145

151

146HardwareMaintenanceManual

152

.Partslist147

153

148HardwareMaintenanceManual

154

.Partslist149

155

150HardwareMaintenanceManual

156

.Partslist151

157

Keyboard

158

Miscellaneousparts

159

154HardwareMaintenanceManual

160

Powercords

161

Recoverydiscs

162

Chapter10.Partslist157

163

Windows7HomeBasic(32bit)DVDs

164

Chapter10.Partslist159

165

Chapter10.Partslist161

167

Windows7Ultimate(32bit)DVDs

168

Windows7Ultimate(64bit)DVDs

168

Windows7Starter(32bit)DVDs

168

Commonservicetools

169

164HardwareMaintenanceManual

170

AppendixA.Notices

171

Electronicemissionsnotices

172

Trademarks

172

*0A60342_01*

174

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