Contents

About this manual

. v

No-beep symptoms

.

44

 

 

 

LCD-related symptoms

.

45

Safety information

.

1

Intermittent problems

.

46

General safety

.

2

Undetermined problems

.

46

 

 

 

Electrical safety

.

3

ThinkPad X301

.

47

Safety inspection guide

.

5

Specifications

.

47

Handling devices that are sensitive to electrostatic

 

 

discharge

.

6

Status indicators

.

49

Grounding requirements

.

6

FRU tests

.

51

Safety notices: multilingual translations . . . .

.

7

Fn key combinations

.

53

Laser compliance statement

.

14

FRU replacement notices

.

55

 

 

 

Screw notices

.

55

Important service information

17

Retaining serial numbers

.

56

Strategy for replacing FRUs

.

17

Removing and replacing a FRU

. 59

Before servicing ThinkPad X301

. 60

Strategy for replacing a hard disk drive . . . . 18

1010 Battery pack

.

61

Important notice for replacing a system board . . 18

1020 Optical drive or second battery or travel

 

 

How to use error message

.

18

 

 

cover

.

62

Strategy for replacing FRUs for CTO, CMV, and

 

 

 

 

1030 Solid state drive (SSD) or hard disk drive

 

 

GAV

.

19

 

 

(HDD)

.

63

Product definition

.

19

1040 DIMM

.

65

FRU identification for CTO, CMV, and GAV

 

 

 

 

1050 PCI Express Mini Card for wireless LAN . . 67

products

.

19

1060 Wireless USB adapter or Intel Turbo

 

 

Important information about replacing RoHS

 

 

 

 

 

 

Memory

.

70

compliant FRUs

.

21

1070 Keyboard

.

73

 

 

 

General checkout . . . . . . . . . . 23

1080 Backup battery

.

77

1090 PCI Express Mini Card for wireless WAN

 

78

What to do first

.

24

 

1100 Palm rest or palm rest with fingerprint

 

 

Checkout guide

.

25

 

 

reader

.

80

Diagnostics using PC-Doctor for DOS . . .

. 26

1110 Bluetooth daughter card (BDC-2) . . .

. 82

PC-Doctor for Windows

.

28

1120 Keyboard bezel

.

83

PC-Doctor for Rescue and Recovery . . . .

. 28

1130 Audio FPC and audio sub card . . . .

. 86

Power system checkout

.

29

1140 Speaker assembly

.

88

Checking the AC adapter

.

29

1150 LCD assembly

.

89

Checking operational charging

.

30

1160 VGA cable and DC-in connector . . . .

. 92

Checking the battery pack

.

30

1170 System board, fan, and base cover assembly

94

Checking the backup battery

.

31

2010 LCD bezel assembly

. 100

 

 

 

Related service information

33

2020 LCD panel and LCD cable

. 101

2030 Integrated camera

.

105

Restoring the factory contents by using Product

 

 

2040 Antenna assembly

. 106

Recovery discs

.

33

2050 Hinge L and hinge R

.

109

Passwords

. 34

2060 LED sub card, LED cable and LCD cover

 

 

Power-on password

.

34

assembly

.

111

Hard-disk password

.

34

Locations

.

113

Supervisor password

.

34

Front view

.

113

How to remove the power-on password . . .

. 35

Rear view

. 114

How to remove the hard-disk password . . .

. 35

Bottom view

.

114

Power management

.

37

Parts list

.

115

Screen blank mode

.

37

Overall

.

116

Standby mode

.

37

LCD FRUs

.

124

Hibernation mode

.

38

Keyboard

.

126

Symptom-to-FRU index

.

39

Miscellaneous parts

.

127

Numeric error codes

.

39

AC adapters

.

129

Error messages

.

43

Power cords

.

130

Beep symptoms

.

44

Recovery discs

.

131

© Copyright Lenovo 2008

iii

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Image 5
Lenovo 27763CU, 27763PU, 27763DU manual Contents

27763CU, 27763DU, 27763PU specifications

The Lenovo models 27763PU, 27763DU, and 27763CU are part of the highly regarded ThinkPad series, known for their robustness and performance in business environments. Each of these laptops embodies Lenovo's commitment to delivering high-quality devices that cater to various user needs, from professionals to students.

The Lenovo 27763PU features a 14-inch display with Full HD resolution, providing crisp visuals ideal for work and multimedia. This model is powered by an Intel Core i5 processor, ensuring smooth multitasking and efficient performance across demanding applications. With up to 16GB of RAM and a fast SSD for storage, users can expect quick boot times and rapid file access. The laptop's lightweight design makes it portable, suitable for on-the-go professionals.

In contrast, the 27763DU and 27763CU models offer enhanced features for users who require even more power and versatility. The 27763DU is equipped with similar impressive display specifications but boasts an upgraded Intel Core i7 processor and an optional discrete graphics card, making it perfect for tasks such as graphic design or video editing. This model supports higher RAM configurations, allowing heavy multitasking without compromising performance.

The Lenovo 27763CU builds on the strengths of its predecessors by incorporating advanced technologies that enhance user experience. This model includes Lenovo's unique Rapid Charge technology, which allows the battery to charge quickly, offering hours of usage from just a short charging session. The inclusion of a backlit keyboard ensures productivity in low-light environments, while the precision touchpad and optional touchscreen display provide intuitive navigation and interaction.

All three models prioritize security and durability, featuring a robust chassis resistant to wear and tear. They come equipped with fingerprint readers, ensuring secure access to data and applications. Additionally, the ThinkShield security platform offers comprehensive protection for sensitive information, making these devices suitable for corporate standards.

In summary, the Lenovo 27763PU, 27763DU, and 27763CU deliver impressive performance, cutting-edge features, and a focus on security, appealing to a diverse range of users. Whether for business, education, or personal use, these laptops stand out as excellent choices for those looking for reliability and efficiency.