Contents

Important safety information

vii

Chapter 1. Product overview

1

Features

1

Specifications

3

Software overview

4

Software provided by Lenovo

4

Adobe Reader

6

Antivirus software

6

Locations

6

Locating connectors on the front of your

 

computer

6

Locating connectors on the rear of your

 

computer

7

Locating components

8

Locating parts on the system board

9

Chapter 2. Installing or replacing

 

hardware

11

Handling static-sensitive devices

11

Installing or replacing hardware

11

Installing external options

11

Opening the computer cover

12

Removing and reinstalling the front bezel . .

12

Installing or replacing a memory module . . .

13

Replacing the hard disk drive

14

Replacing the optical drive

16

Replacing the battery

17

Replacing the heat sink

18

Replacing the internal speaker

19

Replacing the front audio and USB

 

assembly

20

Replacing the ac power adapter

21

Replacing the ac power adapter bracket. . .

22

Replacing the keyboard or mouse

25

Completing the parts replacement

25

Installing security features

26

Integrated cable lock

26

Password protection

27

Erasing lost or forgotten passwords (clearing

 

CMOS)

27

Chapter 3. Recovery information. . .

29

Creating and using recovery media

29

Creating recovery media

29

Using recovery media

30

Performing backup and recovery operations . . .

30

Performing a backup operation

30

Performing a recovery operation

31

Using the Rescue and Recovery workspace . . .

31

Creating and using a rescue medium

32

Creating a rescue medium

32

Using a rescue medium

33

Installing or reinstalling device drivers

33

Solving recovery problems

34

Chapter 4. Using the Setup Utility

 

program

35

Starting the Setup Utility program

35

Viewing and changing settings

35

Using passwords

35

Password considerations

35

Power-On Password

36

Administrator Password

36

Hard Disk Password

36

Setting, changing, and deleting a password .

36

Enabling or disabling a device

36

Selecting a startup device

37

Selecting a temporary startup device . . . .

37

Selecting or changing the startup device

 

sequence

37

Exiting from the Setup Utility program

37

Chapter 5. Updating system

 

programs

39

Using system programs

39

Updating (flashing) the BIOS from a disc . . . .

39

Updating (flashing) the BIOS from your operating

 

system

40

Recovering from a POST/BIOS update failure . .

40

Chapter 6. Troubleshooting and

 

diagnostics

41

Basic troubleshooting

41

Diagnostic programs

42

Lenovo ThinkVantage Toolbox

42

PC-Doctor for Rescue and Recovery . . . .

43

PC-Doctor for DOS

43

Cleaning an optical mouse

44

Chapter 7. Getting information, help,

 

and service

45

Information resources

45

Online Books folder

45

Lenovo ThinkVantage Tools

45

© Copyright Lenovo 2010

v

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Lenovo 3853, 3034, 6667, 5092, 5226, 4394, 3692, 3557, 3467, 3356, 3307, 3142, 3257, 3131, 3244 manual Contents

3244, 3131, 3257, 3142, 3307 specifications

Lenovo has always been a frontrunner in the computing industry, and their latest line of devices, including models 5226, 3557, 3131, 3257, and 3244, showcases their commitment to innovation, performance, and user-centric design. Each model is tailored to meet varying needs ranging from business professionals to casual users seeking reliable computing solutions.

The Lenovo 5226 is engineered with business users in mind. Its sleek design integrates powerful processing capabilities with security features like a fingerprint reader and TPM 2.0 for enhanced data protection. Equipped with the latest Intel Core processors, the 5226 ensures efficient performance, making multitasking seamless. Additionally, the display quality is top-notch, featuring a high-resolution screen that delivers vivid colors and sharp details, ideal for presentations and video conferencing.

Next, the Lenovo 3557 combines portability with functionality. Weighing less than its peers, this model is perfect for users on the go. The efficient battery life allows for extended use without needing a recharge, making it a suitable choice for students and professionals alike. The 3557 also features Lenovo's proprietary Rapid Charge technology, enabling quick recharges when time is of the essence.

The 3131 model stands out with its robust build and durability. Designed to withstand the rigors of daily use, this laptop features a spill-resistant keyboard and reinforced chassis, ensuring it can handle accidental drops or spills. With ample storage options and expansive RAM, it caters to users who require significant data handling, making it an excellent choice for creators and engineers.

For those looking for multimedia capabilities, the Lenovo 3257 brings a tantalizing display experience. With enhanced graphics and an immersive audio system, this model is ideal for entertainment and gaming. The inclusion of HDMI ports and multiple USB 3.0 ports facilitates easy connectivity to external devices, ensuring users can enjoy their favorite media on larger screens without hassle.

Lastly, the Lenovo 3244 focuses on providing value for money without compromising on performance. This model is equipped with a reliable processor and solid-state drive options that ensure quick boot times and fast data access. The energy-efficient design also contributes to longer battery life, making it an ideal choice for budget-conscious users who don’t want to sacrifice performance.

In summary, Lenovo's 5226, 3557, 3131, 3257, and 3244 models offer a diverse range of features that cater to different user requirements. From advanced business functionalities to entertainment options, Lenovo continues to leverage innovative technologies that enhance the overall computing experience.