Lenovo C240 Hardware Maintenance Manual - Page 5

Contents, Using the Setup Utility.. - bios

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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 Changing booting mode 17 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 Replacing the optical drive 28 Replacing the power adapter 30 Removing the rear cover 31 Replacing a memory module 32 Replacing the hard disk drive 32 Replacing the heat-sink 33 Replacing the system fan 34 Replacing the Wi-Fi card 35 Replacing the speaker system 36 Replacing the front indicator board 37 Replacing the power switch board 38 Replacing the motherboard 39 Replacing the computer stand 41 Replacing the camera 41 Replacing the converter board 42 Replacing the LED panel 43 FRU lists 45 Chapter 9. Additional Service Information 49 © 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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Changing booting mode
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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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Replacing the optical drive
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Replacing the power adapter
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Removing the rear cover
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Replacing a memory module
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Replacing the hard disk drive
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Replacing the heat-sink
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Replacing the system fan
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Replacing the Wi-Fi card
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Replacing the speaker system
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Replacing the front indicator board
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Replacing the power switch board
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Replacing the motherboard
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Replacing the computer stand
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Replacing the camera
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Replacing the converter board
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Replacing the LED panel
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FRU lists
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Chapter 9. Additional Service
Information
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© Copyright Lenovo 2012
iii