Lenovo B750 IdeaCentre B750 Hardware Maintenance Manual - Page 5

Contents, Using the Setup Utility.. - 29

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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 Replacing the power cord or power adapter . . . 28 Removing the computer cover 29 Replacing a memory module 30 Replacing the hard disk drive 30 Replacing the optical drive 32 Removing the computer stand 33 Removing the middle cover 34 Replacing the converter board 35 Replacing the camera 36 Replacing the power switch board 37 Removing the EMI cover 38 Replacing the subwoofer 39 Replacing the speaker system 40 Removing the power supply 42 Replacing the TV tuner card 43 Replacing the Wi-Fi card 44 Replacing the system fan 45 Replacing the heat-sink 46 Replacing the CPU 47 Replacing the motherboard 49 Replacing the LED panel module 51 Chapter 9. General information . . . . 55 Additional Service Information 55 © Copyright Lenovo 2013 iii

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Contents
Chapter 1. About this manual
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1
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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Replacing the power cord or power adapter .
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Removing the computer cover
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Replacing a memory module
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Replacing the hard disk drive
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Replacing the optical drive
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Removing the computer stand
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Removing the middle cover
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Replacing the converter board
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Replacing the camera
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Replacing the power switch board
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Removing the EMI cover
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Replacing the subwoofer
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Replacing the speaker system
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Removing the power supply
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Replacing the TV tuner card
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Replacing the Wi-Fi card
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Replacing the system fan
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Replacing the heat-sink
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Replacing the CPU
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Replacing the motherboard
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Replacing the LED panel module
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Chapter 9. General information
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Additional Service Information
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© Copyright Lenovo 2013
iii