Lenovo B490 Notebook manuals

Lenovo B490 Notebook User Manual (104 pages)

Brand: Lenovo | Category: Laptops | Size: 12.91 MB |

English

Table of contents

HardwareMaintenanceManual

1

FourthEdition(April2013)

2

©CopyrightLenovo2012,2013

2

Contents

3

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

Chapter1.Safetyinformation19

25

20HardwareMaintenanceManual

26

.Safetyinformation21

27

22HardwareMaintenanceManual

28

.Safetyinformation23

29

24HardwareMaintenanceManual

30

.Safetyinformation25

31

26HardwareMaintenanceManual

32

StrategyforreplacingFRUs

33

Currentororiginalpart

34

ReplacementFRU

34

MustbeRoHSMustbeRoHS

34

Chapter3.Generalcheckout

35

Powersystemcheckout

36

Checkingtheacpoweradapter

36

Checkingoperationalcharging

37

Checkingthebatterypack

37

32HardwareMaintenanceManual

38

Recoveringthecomputersettings

39

Passwords

39

Power-onpassword

40

Supervisorpassword

40

Powermanagement

40

Screenblankmode

40

Sleepmode

40

Hibernationmode

41

36HardwareMaintenanceManual

42

Specications

43

Statusindicators

44

Fnkeycombinations

45

40HardwareMaintenanceManual

46

Screwnotices

47

Generalguidelines

49

1010Batterypack

50

1020Bottomslotcover

50

1030Opticaldrive

51

1040Memorymodules

52

1050Harddiskdriveassembly

53

StepScrew(quantity)Color

55

1.85kgf-cm

55

1070mSATAsolid-statedrive

56

1080Backupbattery

57

1090Keyboard

57

4.0kgf-cm

58

.RemovingandreplacingaFRU53

59

1100Keyboardbezel

60

Removalstepsofkeyboardbezel

61

Removethescrew3

61

.RemovingandreplacingaFRU55

61

1110LEDboard

62

1120Powerboard

63

1130Microphoneassembly

64

1140Mediacardreaderslotboard

65

.RemovingandreplacingaFRU61

67

1160Thermalmodule

68

Removalstepsofthermalmodule

69

Detachthefanconnector1

69

Loosenthescrews2to8

69

.RemovingandreplacingaFRU63

69

64HardwareMaintenanceManual

70

1170Microprocessor

71

1180LCDunit

72

1190Speakerassembly

74

2010LCDfrontbezel

77

2020Camera

78

3.Thenremovethehinges4

80

76HardwareMaintenanceManual

82

Chapter8.Locations

83

Right-sideview

84

Bottomandleft-sideview

84

Chapter9.Partslist

85

.Partslist81

87

82HardwareMaintenanceManual

88

.Partslist83

89

84HardwareMaintenanceManual

90

Chapter9.Partslist85

91

Keyboard

92

.Partslist87

93

88HardwareMaintenanceManual

94

Miscellaneousparts

95

90HardwareMaintenanceManual

96

Powercords

97

92HardwareMaintenanceManual

98

.Partslist93

99

94HardwareMaintenanceManual

100

AppendixA.Notices

101

Electronicemissionsnotices

102

Trademarks

102

PartNumber:

104

PrintedinChina

104

(1P)P/N:

104

Lenovo B490 Notebook User Manual (2 pages)

Brand: Lenovo | Category: Laptops | Size: 1.64 MB |

Spanish

Table of contents

1. Instale la batería

1

China RoHS

2

Turco RoHS

2

Ucrania RoHS

2

India RoHS

2

ENERGY STAR

2

Lenovo B490 Notebook User Manual (2 pages)

Brand: Lenovo | Category: Laptops | Size: 1.65 MB |

German

Table of contents

Steuerelemente und Anzeigen

1

China RoHS

2

Türkische RoHS

2

Ukraine RoHS

2

Indien RoHS

2

ENERGY STAR

2

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