Index

A

Administrator, password 38

B

battery, replacing

77, 102

boot-block recovery

106

C

card reader, replacing

75

 

changing

 

 

 

 

password

38

 

 

startup device sequence

40

CMOS, clearing 39

 

 

components, internal

56

 

computer cover

 

 

removing

64

 

 

computer cover, reinstalling

104

connectors

 

 

 

rear

56

 

 

 

connectors, controls, indicators

front

55

 

 

 

considerations, passwords

38

CRU, returning defective 104

CRUs (Customer Replacable Units), returning defective 56

D

deleting a password 38

device drivers

104

devices, handling static-sensitive 63

drivers, device

104

drives

 

bays 61

 

specifications

61

E

environment, operating 29 exiting, Setup Utility 41 external options, installing 63

F

failure, recovering from POST/BIOS

106

flashing the BIOS 105

 

front

 

connectors, controls, indicators

55

front audio and USB assembly, replacing 88

front bezel

 

front bezel, removing

65

front bezel, reinstalling

65

FRU locations 56

 

FRU part numbers 1, 55, 58, 63

H

hard disk drive enablement module, replacing 87

hard disk drive fan assembly, replacing

80

hard disk drive, replacing 83

 

heat sink and fan assembly, replacing

78

I

Identifying FRUs

56

installing

 

microprocessor

91

installing options

 

memory module

69

PCI card 66

 

internal speaker, replacing 89

L

Lenovo Solution Center

35

locating components 56

 

looking up part numbers

1, 55, 58, 63

M

memory module

 

installing, replacing 69

system board

69

memory speed

107

microprocessor

 

installing 91

 

O

optical drive, replacing

72

Optional-service CRUs

56

P

part numbers 1, 55, 58, 63

 

parts replacement, completing

104

password

 

 

 

 

Administrator

38

 

 

considerations

38

 

 

Power-On Password

38

 

setting, changing, deleting

38

passwords

 

 

 

 

erasing

39

 

 

 

lost or forgotten

39

 

 

passwords, using

37

 

 

PCI card

66

 

 

 

installing, replacing

66

 

© Copyright Lenovo 2012

111

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Image 117
Lenovo 4223, 4228, 4229 manual Index, 111

4229, 4223, 4228 specifications

Lenovo has long been recognized for its commitment to producing high-quality computing solutions, and the ThinkPad line is no exception. Among its various models, the Lenovo ThinkPad series 4228, 4223, and 4229 stand out for their robust features and reliable performance, making them ideal choices for business and professional use.

The Lenovo ThinkPad 4228 series is engineered with a focus on durability and performance. One of its key features is the powerful Intel Core processor range, which ensures that users can manage demanding applications and multitask efficiently. Alongside this, the device typically comes equipped with ample RAM, providing speed and responsiveness that enhances productivity.

Moving to the ThinkPad 4223, it streamlines user experience with advanced connectivity options. The inclusion of multiple USB ports, HDMI, and Ethernet capabilities allows for seamless integration with various devices and networks. The 4223 model often houses a backlit keyboard, enabling users to work effortlessly in low-light environments. This model puts a strong emphasis on portability, making it a reliable companion for professionals on the move.

The ThinkPad 4229 takes connectivity a step further by offering options like Wi-Fi 6 and Bluetooth, ensuring fast and stable connections whether in the office or on the go. This model is often equipped with a higher resolution display, contributing to a better viewing experience for video conferencing and presentations. Its extended battery life is a notable feature, allowing users to remain productive without the constant need for recharging.

All three models in the 422x series boast Lenovo’s robust security features, including fingerprint readers and TPM (Trusted Platform Module), which safeguard sensitive data against unauthorized access. Furthermore, the reputation of Lenovo ThinkPads for their exceptional keyboard layout ensures that users can type comfortably over extended periods, reducing strain and increasing efficiency.

In summary, the Lenovo ThinkPad 4228, 4223, and 4229 models represent a blend of power, durability, and user-friendly design. With their focus on connectivity, performance, and security, these laptops cater perfectly to the needs of professionals and businesses, confirming Lenovo's status as a leading manufacturer in the world of computing technology. Whether you need a rugged workhorse for heavy tasks or a portable device for meetings, the ThinkPad series provides versatile solutions to meet any requirement.