Lenovo H520S manual Contents

Chapter 1. About this manual . . . .

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1

Important Safety Information

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1

Chapter 2. Safety information . . . .

. .

3

General safety

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3

Electrical safety

. .

3

Safety inspection guide

. .

5

Handling electrostatic discharge-sensitive

devices

. .

5

Grounding requirements

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6

Safety notices

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6

Chapter 3. General information . . .

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9

Specifications

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9

Chapter 4. General Checkout . . . .

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11

Chapter 5. Using the Setup Utility. .

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13

Starting the Lenovo BIOS Setup Utility program

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13

Viewing and changing settings

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13

Using passwords

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13

Enabling or disabling a device

.

15

Selecting a startup device

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16

Exiting the Lenovo BIOS Setup Utility program .

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17

Chapter 6. Symptom-to-FRU Index .

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19

Hard disk drive boot error

.

19

Power Supply Problems

.

19

POST error codes

.

20

Chapter 7. Locating connectors,

controls and components

21

Chapter 8. Replacing hardware . . . .

27

General information

27

Replacing the keyboard and mouse

28

Removing the computer cover

28

Removing the front bezel

29

Replacing an optical drive

30

Replacing the hard disk drive

32

Replacing a memory module

33

Replacing the Power supply

34

Replacing the graphic card

35

Replacing the system fan

37

Replacing the microprocessor fan

37

Replacing the heat-sink

38

Replacing the CPU

39

Replacing the Wi-Fi card

41

Replacing the front USB/card reader/audio

module

42

Replacing the motherboard

43

FRU lists

45

Additional Service Information

53