Contents

Chapter 1. About this manual

.

1

Important Safety Information

.

1

Chapter 2. Safety information

.

3

General safety

.

3

Electrical safety

.

3

Voltage-selection switch

.

5

Safety inspection guide

.

5

Handling electrostatic discharge-sensitive

 

 

devices

.

6

Grounding requirements

.

6

Safety notices (multi-lingual translations) . . . .

.

6

Chapter 3. General information . . . .

 

29

Specifications

 

29

Lenovo ThinkVantage Tools

 

29

Lenovo Solution Center

 

30

Lenovo Welcome

 

30

Product Recovery

 

30

SimpleTap

 

30

ThinkVantage Rescue and Recovery

 

30

Additional information resources

 

31

Chapter 4. General Checkout

 

33

Problem determination tips

 

33

Chapter 5. Diagnostics

 

35

Lenovo Solution Center

 

35

Chapter 6. Using the Setup Utility

 

 

program

 

37

Starting the Setup Utility program

 

37

Viewing and changing settings

 

37

Using passwords

 

37

Password considerations

 

38

Power-On Password

 

38

Administrator Password

 

38

Hard Disk Password

 

38

Setting, changing, and deleting a password .

 

38

Erasing lost or forgotten passwords (clearing

 

 

CMOS)

 

39

Enabling or disabling a device

 

39

Selecting a startup device

 

39

Selecting a temporary startup device . . . .

 

40

Selecting or changing the startup device

 

 

sequence

 

40

Enabling ErP compliance mode and Deep Sx . .

 

40

Exiting the Setup Utility program

 

41

Chapter 7. Configuring RAID

43

Configuring RAID with Intel RSTe

43

Installing SATA or SAS hard disk drives . . .

43

Configuring SATA or SAS RAID functionality

 

with the Intel RSTe configuration utility . . .

44

Quick RAID setup using the LSI MegaRAID BIOS

 

configuration utility

45

Installing SATA or SAS hard disk drives . . .

46

Entering the LSI MegaRAID BIOS configuration

 

utility

47

Creating RAID volumes using the LSI

 

MegaRAID BIOS configuration utility . . . .

47

Deleting RAID volumes using the LSI

 

MegaRAID BIOS configuration utility . . . .

48

Setting the hot spare hard disk drive . . . .

48

Chapter 8. Symptom-to-FRU Index . .

49

Hard disk drive boot error

49

Power Supply Problems

49

Beep symptoms

49

POST error codes

50

Miscellaneous error messages

51

Undetermined problems

53

Chapter 9. Locations

55

Locating connectors, controls, and indicators on

 

the front of your computer

55

Locating connectors on the rear of your

 

computer

56

Locating major FRUs and CRUs

56

Looking up FRU information

58

Locating parts on the system board

58

Locating internal drives

61

Chapter 10. Replacing FRUs

63

Installing or replacing hardware

63

Handling static-sensitive devices

63

Installing external options

63

Removing the computer cover

64

Removing and reinstalling the front bezel . .

65

Installing or replacing a PCI card

66

Installing or replacing a memory module . . .

69

Installing or replacing the optical drive . . .

72

Replacing the card reader

75

Replacing the battery

77

Replacing the heat sink and fan assembly . .

78

Replacing the hard disk drive fan assembly .

80

Replacing the rear fan assembly

81

© Copyright Lenovo 2012

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Lenovo 4229, 4223, 4228 manual Contents

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.