Lenovo 5248 User Manual

Page 5

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Contents

Important safety information . . . . . . v

Chapter 1. Product overview . . . . . . 1

Features . . . . . . . . . . . . . . . . . .

1

Single-touch and multi-touch feature . . . . .

3

Specifications . . . . . . . . . . . . . . . .

4

Software overview . . . . . . . . . . . . . .

5

Software provided with your Windows
operating system . . . . . . . . . . . . .

5

Locating computer controls, connectors, and
parts

. . . . . . . . . . . . . . . . . . .

7

Front view. . . . . . . . . . . . . . . .

7

Rear view . . . . . . . . . . . . . . . .

9

Component locations . . . . . . . . . .

10

System board part and connector locations .

12

Chapter 2. Installing or replacing
hardware . . . . . . . . . . . . . . .

13

Installing or replacing hardware . . . . . . . .

13

Installing external options

. . . . . . . .

13

Installing a computer wall mount . . . . . .

13

Removing the computer cover. . . . . . .

14

Removing or reinstalling the frame stand

. .

14

Removing or reinstalling the lift stand . . . .

15

Removing or reinstalling the rear I/O assembly
cover

. . . . . . . . . . . . . . . .

17

Removing or reinstalling the VESA frame
cover

. . . . . . . . . . . . . . . .

18

Removing or reinstalling the VESA frame

. .

19

Installing or replacing a memory module . . .

20

Replacing the battery . . . . . . . . . .

22

Replacing the hard disk drive . . . . . . .

23

Replacing the optical drive . . . . . . . .

26

Replacing the heat sink . . . . . . . . .

27

Replacing the microprocessor . . . . . . .

30

Replacing the WI-FI card . . . . . . . . .

32

Replacing the Bluetooth module . . . . . .

33

Replacing the multi-touch board . . . . . .

34

Replacing the ambient light sensor . . . . .

36

Replacing the ExpressCard . . . . . . . .

37

Replacing the internal speakers . . . . . .

38

Replacing the integrated camera with
microphone . . . . . . . . . . . . . .

39

Replacing the microprocessor fan assembly .

40

Replacing the card reader . . . . . . . .

42

Replacing the rear I/O assembly . . . . . .

43

Replacing the right I/O assembly. . . . . .

44

Replacing the power supply

. . . . . . .

45

Replacing the keyboard . . . . . . . . .

47

Replacing the mouse . . . . . . . . . .

49

Completing the parts replacement . . . . .

50

Obtaining device drivers . . . . . . . . . . .

51

Basic security features . . . . . . . . . . .

51

Integrated cable lock . . . . . . . . . .

51

Password protection

. . . . . . . . . .

52

Erasing lost or forgotten passwords (clearing
CMOS) . . . . . . . . . . . . . . . .

52

Chapter 3. Recovery information . . .

55

Creating and using recovery media

. . . . . .

55

Creating recovery media . . . . . . . . .

55

Using recovery media . . . . . . . . . .

55

Performing backup and recovery operations . . .

56

Performing a backup operation . . . . . .

56

Performing a recovery operation . . . . . .

57

Using the Rescue and Recovery workspace . . .

57

Creating and using a rescue medium . . . . . .

58

Creating a rescue medium . . . . . . . .

58

Using a rescue medium . . . . . . . . .

59

Installing or reinstalling device drivers

. . . . .

59

Solving recovery problems . . . . . . . . . .

60

Chapter 4. Using the Setup Utility
program . . . . . . . . . . . . . . . .

61

Starting the Setup Utility program . . . . . . .

61

Viewing or changing settings . . . . . . . . .

61

Using passwords. . . . . . . . . . . . . .

61

Password considerations . . . . . . . . .

62

Administrator password . . . . . . . . .

62

Power-on password . . . . . . . . . . .

62

Hard disk drive password

. . . . . . . .

62

Setting, changing, or deleting a password . .

62

Enabling or disabling a device

. . . . . . . .

63

Selecting a startup device . . . . . . . . . .

63

Selecting a temporary startup device . . . .

63

Viewing or changing the startup device
sequence . . . . . . . . . . . . . . .

63

Exiting the Setup Utility program

. . . . . . .

64

Chapter 5. Updating system
programs . . . . . . . . . . . . . . .

65

Using system programs . . . . . . . . . . .

65

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

65

Updating (flashing) the BIOS from your operating
system . . . . . . . . . . . . . . . . . .

66

© Copyright Lenovo 2010, 2012

iii

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