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Lenovo Manuals
Desktop
IdeaCentre B750
Hardware maintenance manual
Table Of Contents - Lenovo IdeaCentre B750 Hardware Maintenance Manual
Machine types: 10144/f0aa
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Contents
Chapter 1. About this manual
. . . . . . 1
Important Safety Information
. . . . . . . . . .
Chapter 2. Safety information
. . . . . . 3
General safety
. . . . . . . . . . . . . . . .
Electrical safety
. . . . . . . . . . . . . . .
Safety inspection guide
. . . . . . . . . . . .
Handling electrostatic discharge-sensitive
devices
. . . . . . . . . . . . . . . . . .
Grounding requirements
. . . . . . . . . . . .
Safety notices
. . . . . . . . . . . . . . . .
Chapter 3. General information
. . . . . 9
Specifications
. . . . . . . . . . . . . . . .
Chapter 4. General Checkout
. . . . . 11
Chapter 5. Using the Setup Utility
. . . 13
Starting the Lenovo BIOS Setup Utility program
Viewing and changing settings
. . . . . . . .
Using passwords
. . . . . . . . . . . . . .
Enabling or disabling a device
Selecting a startup device
. . . . . . . . . .
Exiting the Lenovo BIOS Setup Utility program
. .
Chapter 6. Symptom-to-FRU Index
. . 19
Hard disk drive boot error
. . . . . . . . . .
Power Supply Problems
. . . . . . . . . . .
POST error codes
. . . . . . . . . . . . .
Undetermined problems
. . . . . . . . . . .
Chapter 7. Locating connectors,
controls and components
. . . . . . 21
© Copyright Lenovo 2013
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Chapter 8. Replacing hardware
. . . . 27
General information
. . . . . . . . . . . . .
Replacing the keyboard and mouse
. . . . . .
Replacing the power cord or power adapter
. . .
Removing the computer cover
. . . . . . . .
Replacing a memory module
. . . . . . . . .
Replacing the hard disk drive
. . . . . . . . .
Replacing the optical drive
. . . . . . . . . .
Removing the computer stand
. . . . . . . .
Removing the middle cover
Replacing the converter board
. . . . . . . .
Replacing the camera
. . . . . . . . . . . .
Replacing the power switch board
. . . . . . .
Removing the EMI cover
. . . . . . . . . . .
Replacing the subwoofer
Replacing the speaker system
. . . . . . . .
Removing the power supply
. . . . . . . . .
Replacing the TV tuner card
. . . . . . . . .
Replacing the Wi-Fi card
. . . . . . . . . . .
Replacing the system fan
. . . . . . . . . .
Replacing the heat-sink
. . . . . . . . . . .
Replacing the CPU
. . . . . . . . . . . . .
Replacing the motherboard
. . . . . . . . . .
Replacing the LED panel module
. . . . . . .
Chapter 9. General information
. . . . 55
Additional Service Information
. . . . . . . .
. . . . . . . . .
. . . . . . . . . .
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Specifications
Removing the Computer Cover
Replacing the Hard Disk Drive
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