Lenovo B345 IdeaCentre B345-B545 All-In-One Hardware Maintenance Manual - Page 5

Contents, Using the Setup Utility..

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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 Removing the computer stand 30 Replacing a memory module 31 Replacing the hard disk drive 32 Replacing the optical drive 33 Removing the middle cover 35 Replacing the converter board 37 Removing the EMI cover 39 Replacing the camera 40 Replacing the Bluetooth module 41 Replacing the battery 42 Replacing the system fan 43 Removing the power supply 44 Replacing the heat-sink 45 Replacing the CPU 47 Replacing the rear I/O module 49 Replacing the Wi-Fi card 50 Replacing the TV tuner card 51 Replacing the speaker system 52 Replacing the touch control board 53 Replacing the scalar board 54 Replacing the motherboard 55 Replacing the LED panel 56 Replacing the power switch board 60 Chapter 9. General information . . . . 63 Additional Service Information 63 © Copyright Lenovo 2012 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
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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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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27
General information
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27
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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Removing the computer stand
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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 middle cover
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35
Replacing the converter board
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Removing the EMI cover
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Replacing the camera
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Replacing the Bluetooth module
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Replacing the battery
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Replacing the system fan
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43
Removing the power supply
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44
Replacing the heat-sink
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45
Replacing the CPU
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47
Replacing the rear I/O module
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49
Replacing the Wi-Fi card
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50
Replacing the TV tuner card
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51
Replacing the speaker system
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52
Replacing the touch control board
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Replacing the scalar board
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54
Replacing the motherboard
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Replacing the LED panel
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Replacing the power switch board
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60
Chapter 9. General information
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63
Additional Service Information
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63
© Copyright Lenovo 2012
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