Contents

Important safety information

v

Service and upgrades

v

Static electricity prevention

v

Power cords and power adapters

vi

Extension cords and related devices

vi

Plugs and outlets

vii

External devices

vii

Heat and product ventilation

vii

Operating environment

viii

Modem safety information

viii

Laser compliance statement

ix

Power supply statement

ix

Cleaning and maintenance

ix

Chapter 1. Product overview

1

Features

1

Specifications

4

Lenovo programs

5

Accessing Lenovo programs on the Windows

 

7 operating system

5

Accessing Lenovo programs on the Windows

 

8 operating system

6

An introduction to Lenovo programs

6

Locations

8

Locating connectors, controls, and indicators

 

on the front of your computer

9

Locating connectors on the rear of your

 

computer

10

Locating components

11

Locating parts on the system board . . . .

12

Locating internal drives

13

Machine type and model label

14

Chapter 2. Using your computer . . .

15

Frequently asked questions

15

Accessing Control Panel on the Windows 8

 

operating system

15

Using the keyboard

16

Using Windows shortcut keys

16

Using the blue ThinkVantage button . . . .

16

Using a fingerprint reader

16

Using the wheel mouse

17

Adjusting audio

17

About your computer audio

17

Setting the volume from the desktop . . . .

17

Setting the volume from Control Panel . . .

18

Using CDs and DVDs

18

Handling and storing CD and DVD media . .

18

Playing a CD or DVD

19

Recording a CD or DVD

19

Chapter 3. You and your computer .

.

21

Accessibility and comfort

.

21

Arranging your workspace

.

21

Comfort

.

21

Glare and lighting

.

22

Air circulation

.

22

Electrical outlets and cable lengths . . . .

.

22

Registering your computer

.

23

Moving your computer to another country or

 

 

region

.

23

Voltage-selection switch

.

23

Replacement power cords

.

24

Chapter 4. Security

25

Security features

25

Locking the computer cover

26

Attaching an integrated cable lock

27

Using passwords

27

BIOS passwords

27

Windows passwords

28

Configuring the fingerprint reader

28

Using and understanding firewalls

28

Protecting data against viruses

28

Chapter 5. Installing or replacing

 

hardware

31

Handling static-sensitive devices

31

Installing or replacing hardware

31

Installing external options

31

Removing the computer cover

32

Removing and reinstalling the front bezel . .

32

Accessing the system board components and

 

drives

34

Installing or replacing a PCI card

35

Installing or replacing a memory module . . .

37

Replacing the battery

38

Replacing the hard disk drive

40

Replacing the optical drive

42

Replacing the power supply assembly . . .

45

Replacing the heat sink and fan assembly . .

49

Replacing the microprocessor

52

Replacing the system fan assembly . . . .

55

Replacing the front audio and USB

 

assembly

56

© Copyright Lenovo 2012

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Lenovo 3496, 3493DFU manual Contents

3493, 3496, 3493DFU specifications

The Lenovo 3493DFU, 3496, and 3493 are part of Lenovo's series of durable and reliable laptops designed for both personal and professional use. These models are particularly notable for their robust build quality, processing power, and array of features that cater to different user needs.

The Lenovo 3493DFU is equipped with an AMD processor, which provides efficient performance for multitasking and everyday computing tasks. It features a 15.6-inch HD display that offers vibrant colors and decent viewing angles. This model is designed with portability in mind, weighing around 5.6 pounds, making it easy to carry for users on the go. The Lenovo 3493DFU also includes a full-sized keyboard that enhances typing comfort and precision, ideal for long hours of work or study.

Meanwhile, the Lenovo 3496 is known for its impressive storage capabilities. With options for a solid-state drive (SSD) or a larger hard disk drive (HDD), users can choose the best fit according to their storage needs. The 3496 also features the latest USB ports, including USB 3.0, enabling faster data transfer and connection to a variety of peripherals. Its integrated graphics cater well to casual gamers and multimedia enthusiasts, ensuring a smooth experience with movies and videos.

On the other hand, the Lenovo 3493 is tailored more towards business users who require a reliable laptop for everyday tasks. It boasts an efficient Intel processor that balances power and battery life. The battery life is one of its standout features, allowing for extended use without requiring frequent recharging. This model also includes robust security features, such as a fingerprint reader and TPM (Trusted Platform Module), which enhance data protection and privacy.

All three models feature Lenovo’s innovative technologies, such as Lenovo Vantage, which simplifies system updates, device management, and access to support. These laptops are also outfitted with a range of connectivity options, including HDMI and RJ-45, which facilitate seamless connections to external displays and networks.

In summary, the Lenovo 3493DFU, 3496, and 3493 are versatile laptops that cater to various user requirements, whether for personal use, casual gaming, or professional tasks. With their strong performance, reliable build quality, and cutting-edge features, they represent great choices in Lenovo's laptop lineup.