Contents

 

About this manual

iv

Safety information

1

General safety

2

Electrical safety

3

Safety inspection guide

5

Handling devices that are sensitive to

 

electrostatic discharge

6

Grounding requirements

6

Safety notices: multilingual translations

7

Laser compliance statement

14

Important service information

16

Strategy for replacing FRUs

16

Strategy for replacing a hard disk drive

17

Important notice for replacing a system

 

board

17

Important information about replacing RoHS

 

compliant FRUs

18

General checkout

19

What to do first

20

Power system checkout

21

Checking the AC adapter

21

Checking operational charging

21

Related service information

23

Restoring the factory contents by using

 

OneKey Recovery

23

Restore of factory default

23

Using recovery discs

23

Passwords

24

Power-on password

24

Supervisor password

24

Power management

25

Screen blank mode

25

Sleep (standby) mode

25

Hibernation mode

26

Lenovo IdeaPad U300/U300s/U400

27

Specifications

27

Status indicators

29

Function key combinations

31

FRU replacement notices

32

Screw notices

32

Removing and replacing an FRU

33

U300

 

1010 Base cover (U300)

34

1020 Battery pack (U300)

36

1030 Hard disk drive (U300)

37

1040 DIMM (U300)

38

1050 PCI Express Mini Card for

 

wireless LAN (U300)

39

1060

Fan assembly and Heat Sink

 

assembly (U300)

41

1070

System board (U300)

43

1080

Speakers and microphone (U300)

46

1090

LCD unit (U300)

48

1100 Keyboard and keyboard bezel (U300)

50

U300s

 

1010

Base cover (U300s)

54

1020

Battery pack (U300s)

56

1030

Speakers (U300s)

57

1040

Solid State Disk (U300s)

58

1050

USB Board (U300s)

59

1060 Keyboard and keyboard bezel (U300s)

60

1070

PCI Express Mini Card for

 

wireless LAN (U300s)

64

1080

LCD unit (U300s)

66

1090 DIMM (U300s)

68

1100 Fan assembly and Heat Sink

 

assembly (U300s)

69

1110 System board (U300s)

72

U400

 

 

1010

Base cover (U400)

74

1020

Battery pack (U400)

76

1030

Hard disk drive (U400)

77

1040

PCI Express Mini Card for

 

wireless LAN (U400)

78

1050

System board (U400)

80

1060 USB board and HDD board (U400)

82

1070

Speakers and microphone (U400)

84

1080

Optical drive (U400)

86

1090

LCD unit (U400)

87

1100 Keyboard and keyboard bezel (U400)

89

1110 Fan assembly and Heat Sink

 

assembly (U400)

90

1120 DIMM (U400)

92

1130 LCD front bezel (U400)

93

1140 LCD panel, hinges and

 

LCD cable (U400)

94

1150 Integrated camera (U400)

96

1160 Antenna assembly and LCD

 

cover (U400)

97

Locations

98

Front view

98

Right-side view

99

Bottom and Left-side view

100

Parts list

101

Overall

102

LCD FRUs

111

Keyboard

113

Miscellaneous parts

116

AC adapters

118

Power cords

119

Notices

127

Trademarks

128

iii

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Lenovo U300S, U400 manual Contents

U300S, U400 specifications

Lenovo has made significant strides in the market for ultrabooks with its U400 and U300S models, which combine style, performance, and portability. These laptops cater to users seeking powerful devices without compromising on design or usability.

The Lenovo U400 is a versatile ultrabook that excels in performance and efficiency. It features a 14-inch display with a resolution of 1366 x 768 pixels, providing clear visuals and an enjoyable viewing experience. The U400 is powered by Intel's second generation Core processors, which ensures fast computing speeds and responsiveness for both work and multimedia tasks. It also integrates dedicated NVIDIA graphics, which enhances gaming experiences and accelerates tasks that require graphical processing.

On the other hand, the Lenovo U300S takes a more premium approach with its ultra-slim design. This ultrabook sports a 13.3-inch display, also with a resolution of 1366 x 768 pixels, making it lightweight and easy to carry without sacrificing screen quality. The U300S is equipped with Intel’s Ivy Bridge processors, marking an advancement in speed and power efficiency over its predecessor. Furthermore, the laptop is designed with a unibody aluminum chassis, providing durability while maintaining an elegant aesthetic.

Both models support Lenovo Enhanced Experience, which features RapidBoot technology for quick system startup and Lenovo Cloud Services, allowing seamless integration with cloud storage solutions. This provides users the convenience of accessing their data anywhere at any time.

Battery life is another crucial feature of the U400 and U300S. The U400 boasts up to 6 hours of battery life, making it suitable for users on the go. Meanwhile, the U300S offers even more longevity, with up to 8 hours of use on a single charge, further emphasizing its suitability for travel and mobility.

In terms of connectivity, both laptops offer USB 3.0 ports, HDMI output, and Wi-Fi capability, ensuring users stay connected and have options for high-speed data transfer and display output.

Overall, Lenovo's U400 and U300S models represent a blend of advanced technology, stylish design, and practicality, making them strong contenders in the ultrabook market. Their performance, coupled with Lenovo's innovative features, showcases the brand's commitment to delivering highly functional and appealing laptops for a range of users.