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Lenovo B480 Notebook User Manual

Page 3

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Contents

About this manual. . . . . . . . . . .

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Chapter 1. Safety information . . . . . . 1

General safety . . . . . . . . . . . . . . . .

1

Electrical safety . . . . . . . . . . . . . . .

2

Safety inspection guide . . . . . . . . . . . .

3

Handling devices that are sensitive to electrostatic
discharge. . . . . . . . . . . . . . . . . .

3

Grounding requirements . . . . . . . . . . . .

4

Safety notices (multilingual translations) . . . . . .

4

Laser compliance statement (multilingual
translations) . . . . . . . . . . . . . . . .

19

Chapter 2. Important service
information . . . . . . . . . . . . . .

27

Strategy for replacing FRUs . . . . . . . . .

27

Strategy for replacing a hard disk drive . . .

28

Important notice for replacing a system
board . . . . . . . . . . . . . . . .

28

Important information about replacing RoHS
compliant FRUs . . . . . . . . . . . . . .

28

Chapter 3. General checkout . . . . .

29

What to do first . . . . . . . . . . . . . .

29

Power system checkout . . . . . . . . . . .

30

Checking the ac power adapter . . . . . .

30

Checking operational charging

. . . . . .

31

Checking the battery pack . . . . . . . .

31

Chapter 4. Related service
information . . . . . . . . . . . . . .

33

Recovering the computer settings . . . . . . .

33

Passwords . . . . . . . . . . . . . . . .

33

Power-on password . . . . . . . . . . .

34

Supervisor password . . . . . . . . . .

34

Power management

. . . . . . . . . . . .

34

Screen blank mode . . . . . . . . . . .

34

Sleep mode . . . . . . . . . . . . . .

34

Hibernation mode

. . . . . . . . . . .

35

Chapter 5. Lenovo B480 . . . . . . . .

37

Specifications . . . . . . . . . . . . . . .

37

Status indicators . . . . . . . . . . . . . .

38

Fn key combinations . . . . . . . . . . . .

39

Chapter 6. FRU replacement
notices . . . . . . . . . . . . . . . .

41

Screw notices . . . . . . . . . . . . . . .

41

Chapter 7. Removing and replacing a
FRU . . . . . . . . . . . . . . . . . .

43

General guidelines . . . . . . . . . . . . .

43

1010 Battery pack . . . . . . . . . . . . .

44

1020 Bottom slot cover . . . . . . . . . . .

44

1030 Optical drive . . . . . . . . . . . . .

45

1040 Memory modules . . . . . . . . . . .

46

1050 Hard disk drive assembly . . . . . . . .

47

1060 PCI Express Mini Card for wireless LAN . .

49

1070 mSATA solid-state drive . . . . . . . . .

50

1080 Backup battery . . . . . . . . . . . .

51

1090 Keyboard . . . . . . . . . . . . . .

51

1100 Keyboard bezel . . . . . . . . . . . .

53

1110 Fingerprint board and LED board . . . . .

55

1120 Power board . . . . . . . . . . . . .

57

1130 Microphone assembly . . . . . . . . .

58

1140 I/O board

. . . . . . . . . . . . . .

58

1150 System board assembly and USB board . .

60

1160 Thermal module . . . . . . . . . . . .

62

1170 CPU . . . . . . . . . . . . . . . .

64

1180 LCD unit . . . . . . . . . . . . . . .

65

1190 Speaker assembly . . . . . . . . . . .

67

1200 DC-in connector and base cover . . . . .

68

2010 LCD front bezel . . . . . . . . . . . .

70

2020 Integrated camera . . . . . . . . . . .

71

2030 LCD panel, LCD cable, and hinges

. . . .

72

2040 Antenna assembly and LCD rear cover . . .

74

Chapter 8. Locations . . . . . . . . .

77

Front view . . . . . . . . . . . . . . . .

77

Right-side view . . . . . . . . . . . . . .

78

Bottom and left-side view . . . . . . . . . .

78

Chapter 9. Parts list . . . . . . . . . .

79

Overall . . . . . . . . . . . . . . . . . .

80

LCD FRUs . . . . . . . . . . . . . . . .

83

Keyboard . . . . . . . . . . . . . . . . .

85

Miscellaneous parts

. . . . . . . . . . . .

87

ac power adapters . . . . . . . . . . . . .

88

Power cords

. . . . . . . . . . . . . . .

89

Appendix A. Notices . . . . . . . . . .

93

Electronic emissions notices . . . . . . . . .

94

Trademarks . . . . . . . . . . . . . . . .

94

© Copyright Lenovo 2012

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