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Lenovo E49 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 E49 and ZhaoYang
E49 . . . . . . . . . . . . . . . . . .

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 Optical drive . . . . . . . . . . . . .

44

1030 Bottom slot cover . . . . . . . . . . .

46

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

46

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

47

1060 PCI Express Mini Card for wireless LAN . .

49

1070 Thermal fan assembly

. . . . . . . . .

51

1080 Microprocessor . . . . . . . . . . . .

53

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

54

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

57

1110 Power board . . . . . . . . . . . . .

59

1120 Backup battery . . . . . . . . . . . .

60

1130 System board assembly. . . . . . . . .

61

1140 LCD unit . . . . . . . . . . . . . . .

62

1150 DC-in cable and base cover . . . . . . .

65

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

67

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

69

2030 LCD panel, LCD cable, and hinges

. . . .

69

2040 Antenna assembly and LCD rear cover . . .

71

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

73

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

73

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

74

Rear view. . . . . . . . . . . . . . . . .

74

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

75

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

77

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

78

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

82

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

84

Miscellaneous parts

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

85

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

86

Power cords

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

86

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

91

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

92

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

92

© Copyright Lenovo 2012, 2013

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