Lenovo H520 Lenovo H520s Hardware Maintenance Manual - Page 5

Contents, Using the Setup Utility.. - manual

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Contents Chapter 1. About this manual 1 Important Safety Information 1 Chapter 2. Safety information 3 General safety 3 Electrical safety 3 Safety inspection guide 5 Handling electrostatic discharge-sensitive devices 5 Grounding requirements 6 Safety notices 6 Chapter 3. General information . . . . . 9 Specifications 9 Chapter 4. General Checkout . . . . . 11 Chapter 5. Using the Setup Utility. . . 13 Starting the Lenovo BIOS Setup Utility program . 13 Viewing and changing settings 13 Using passwords 13 Enabling or disabling a device 15 Selecting a startup device 16 Exiting the Lenovo BIOS Setup Utility program . . 17 Chapter 6. Symptom-to-FRU Index . . 19 Hard disk drive boot error 19 Power Supply Problems 19 POST error codes 20 Undetermined problems 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 Chapter 9. General information . . . . 53 Additional Service Information 53 © Copyright Lenovo 2012 iii

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Contents
Chapter 1. About this manual
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Important Safety Information
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Chapter 2. Safety information
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General safety
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Electrical safety
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Safety inspection guide
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Handling electrostatic discharge-sensitive
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Grounding requirements
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Safety notices
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Chapter 3. General information
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Specifications
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Chapter 4. General Checkout
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Chapter 5. Using the Setup Utility. . .
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Starting the Lenovo BIOS Setup Utility program
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Viewing and changing settings
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Using passwords
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Enabling or disabling a device
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Selecting a startup device
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Exiting the Lenovo BIOS Setup Utility program .
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Chapter 6. Symptom-to-FRU Index . .
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Hard disk drive boot error
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Power Supply Problems
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POST error codes
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Undetermined problems
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Chapter 7. Locating connectors,
controls and components
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Chapter 8. Replacing hardware
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General information
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Replacing the keyboard and mouse
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Removing the computer cover
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Removing the front bezel
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Replacing an optical drive
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Replacing the hard disk drive
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Replacing a memory module
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Replacing the Power supply
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Replacing the graphic card
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Replacing the system fan
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Replacing the microprocessor fan
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Replacing the heat-sink
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Replacing the CPU
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Replacing the Wi-Fi card
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Replacing the front USB/card reader/audio
module
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Replacing the motherboard
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FRU lists
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Chapter 9. General information
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Additional Service Information
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© Copyright Lenovo 2012
iii