Lenovo IdeaCentre K450 IdeaCentre K4 Series Hardware Maintenance Manual - Page 5

Contents, Using the Setup Utility.. - power supply

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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. Locations 21 Identifying internal components 21 Identifying parts on the system board. . . . . . 21 Chapter 8. Replacing hardware . . . . 23 General information 23 Replacing the keyboard and mouse 24 Removing the computer cover 24 Removing the front bezel 25 Replacing a memory module 26 Replacing a hard disk drive 27 Replacing an optical drive 28 Replacing a graphics card 29 Replacing the TV-Tuner card 31 Replacing the Power supply 33 Replacing the microprocessor fan 33 Replacing the heat-sink 34 Replacing the CPU 35 Replacing the Wi-Fi card 37 Replacing the motherboard 38 Chapter 9. General information . . . . 41 Additional Service Information 41 © Copyright Lenovo 2013 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. Locations
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Identifying internal components
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Identifying parts on the system board
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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 a memory module
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Replacing a hard disk drive
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Replacing an optical drive
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Replacing a graphics card
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Replacing the TV-Tuner card
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Replacing the Power supply
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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 motherboard
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Chapter 9. General information
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Additional Service Information
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© Copyright Lenovo 2013
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