Lenovo C320 Lenovo C225\C320\C325 Hardware Maintenance Manual - Page 3

Contents, Using the Setup Utility.. - specification

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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 Problem determination tips 11 Chapter 5. Using the Setup Utility. . . 13 Starting the Setup Utility program 13 Viewing and changing settings 13 Using passwords 13 Using Device 15 Selecting a startup device 15 Exiting from the Setup Utility program . . . . . 16 Chapter 6. Symptom-to-FRU Index . . 17 Hard disk drive boot error 17 Power Supply Problems 17 POST error codes 18 Undetermined problems 18 Chapter 7. Replacing hardware . . . . 21 General information 21 Hardware components 22 Replacing a memory module 26 Replacing the optical drive 27 Replacing the hard disk drive 29 Replacing the keyboard and mouse 31 Replacing the power cord 32 Removing the speaker cover 32 Removing the computer cover 34 Replacing the converter board 35 Removing the computer stand 36 Removing the EMI cover 37 Replacing the system fan 38 Replacing the TV tuner card 40 Replacing the WLAN card 41 Replacing the heatsink 42 Replacing the CPU 44 Replacing the rear I/O module 46 Replacing the speaker system 48 Replacing the motherboard 49 Replacing the camera 51 Replacing the front indicator and power button board 52 Replacing the front function board 53 Replacing the LED panel 54 Chapter 8. Additional Service Information 57 © Copyright Lenovo i

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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
devices
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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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Problem determination tips
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Chapter 5. Using the Setup Utility. . .
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Starting the Setup Utility program
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Viewing and changing settings
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Using passwords
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Using Device
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Selecting a startup device
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Exiting from the 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. Replacing hardware
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General information
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Hardware components
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Replacing a memory module
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Replacing the optical drive
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Replacing the hard disk drive
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Replacing the keyboard and mouse
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Replacing the power cord
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Removing the speaker cover
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Removing the computer cover
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Replacing the converter board
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Removing the computer stand
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Removing the EMI cover
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Replacing the system fan
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Replacing the TV tuner card
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Replacing the WLAN card
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Replacing the heatsink
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Replacing the CPU
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Replacing the rear I/O module
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Replacing the speaker system
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Replacing the motherboard
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Replacing the camera
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Replacing the front indicator and power button
board
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Replacing the front function board
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Replacing the LED panel
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Chapter 8. Additional Service
Information
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57
© Copyright Lenovo
i