Lenovo ThinkCentre M76 Hardware Maintenance Manual for ThinkCentre M76 - Page 3

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 Voltage-selection switch 5 Safety inspection guide 5 Handling electrostatic discharge-sensitive devices 6 Grounding requirements 6 Safety notices (multi-lingual translations) . . . . . 6 Chapter 3. General information . . . . 33 Lenovo Welcome 33 Lenovo ThinkVantage Tools 33 Lenovo Solution Center 33 SimpleTap 33 Additional information resources 34 Specifications 34 For machine types: 3114, 3121, 3123, and 3127 34 For machine types: 3120, 3122, 3126, and 3128 35 Chapter 4. General checkout . . . . . 37 Problem determination tips 37 Chapter 5. Diagnostic programs . . . 39 Lenovo ThinkVantage Toolbox 39 Lenovo Solution Center 39 PC-Doctor for DOS 40 Creating a diagnostic disc 40 Running the diagnostic program from the diagnostic disc 40 Navigating through the diagnostic programs . 40 Running tests 40 Viewing the test log 42 Chapter 6. Using the Setup Utility program 43 Starting the Setup Utility program 43 Viewing or changing settings 43 Using passwords 43 Password considerations 44 Power-on password 44 Administrator password 44 Setting, changing, or deleting a password . . 44 Enabling or disabling a device 44 Selecting a startup device 45 Selecting a temporary startup device . . . . 45 Viewing or changing the startup device sequence 45 Exiting the Setup Utility program 46 Chapter 7. Symptom-to-FRU index . . 47 Hard disk drive boot error 47 Power supply problems 47 Diagnostic error codes 47 Beep symptoms 65 POST error codes 65 Miscellaneous error messages 67 Undetermined problems 69 Chapter 8. Replacing FRUs (Machine Types: 3114, 3121, 3123, and 3127.) . 71 Locations 71 Locating connectors, controls, and indicators on the front of your computer 72 Locating connectors and parts on the rear of your computer 73 Locating components 75 Locating parts on the system board . . . . 76 Locating internal drives 76 Handling static-sensitive devices 77 Installing or replacing hardware 78 Removing the computer cover 78 Removing and reinstalling the front bezel . . 79 Installing or replacing a PCI card 80 Installing or replacing a memory module . . . 83 Installing or replacing the optical drive . . . 85 Installing or replacing the card reader . . . . 87 Replacing the battery 91 Replacing the power supply assembly . . . 92 Replacing the heat sink and fan assembly . . 94 Replacing the microprocessor 96 Replacing the system board 98 Replacing the primary hard disk drive . . . . 100 Replacing the secondary hard disk drive. . . 102 Replacing the Front fan assembly . . . . . 104 Replacing the rear fan assembly 105 Replacing the front audio and USB assembly 107 Replacing the internal speaker 108 Completing the parts replacement . . . . . 110 © Copyright Lenovo 2011, 2012 i

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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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3
Electrical safety
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Voltage-selection switch
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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 (multi-lingual translations)
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Chapter 3. General information
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33
Lenovo Welcome
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Lenovo ThinkVantage Tools
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Lenovo Solution Center
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SimpleTap
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33
Additional information resources
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34
Specifications
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34
For machine types: 3114, 3121, 3123, and
3127
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For machine types: 3120, 3122, 3126, and
3128
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Chapter 4. General checkout
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37
Problem determination tips
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Chapter 5. Diagnostic programs . . .
39
Lenovo ThinkVantage Toolbox
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Lenovo Solution Center
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PC-Doctor for DOS
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Creating a diagnostic disc
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Running the diagnostic program from the
diagnostic disc
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40
Navigating through the diagnostic programs
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40
Running tests
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Viewing the test log
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Chapter 6. Using the Setup Utility
program
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43
Starting the Setup Utility program
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Viewing or changing settings
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Using passwords
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43
Password considerations
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44
Power-on password
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Administrator password
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Setting, changing, or deleting a password .
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Enabling or disabling a device
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44
Selecting a startup device
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45
Selecting a temporary startup device
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45
Viewing or changing the startup device
sequence
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45
Exiting the Setup Utility program
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Chapter 7. Symptom-to-FRU index . .
47
Hard disk drive boot error
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47
Power supply problems
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Diagnostic error codes
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Beep symptoms
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POST error codes
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Miscellaneous error messages
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Undetermined problems
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Chapter 8. Replacing FRUs (Machine
Types: 3114, 3121, 3123, and 3127.)
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71
Locations
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71
Locating connectors, controls, and indicators
on the front of your computer
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72
Locating connectors and parts on the rear of
your computer
.
.
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.
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73
Locating components
.
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75
Locating parts on the system board
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76
Locating internal drives
.
.
.
.
.
.
.
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76
Handling static-sensitive devices
.
.
.
.
.
.
.
77
Installing or replacing hardware
.
.
.
.
.
.
.
.
78
Removing the computer cover
.
.
.
.
.
.
.
78
Removing and reinstalling the front bezel
.
.
79
Installing or replacing a PCI card
.
.
.
.
.
.
80
Installing or replacing a memory module .
.
.
83
Installing or replacing the optical drive
.
.
.
85
Installing or replacing the card reader
.
.
.
.
87
Replacing the battery
.
.
.
.
.
.
.
.
.
.
91
Replacing the power supply assembly
.
.
.
92
Replacing the heat sink and fan assembly .
.
94
Replacing the microprocessor
.
.
.
.
.
.
.
96
Replacing the system board
.
.
.
.
.
.
.
98
Replacing the primary hard disk drive
.
.
.
.
100
Replacing the secondary hard disk drive.
.
.
102
Replacing the Front fan assembly
.
.
.
.
.
104
Replacing the rear fan assembly
.
.
.
.
.
.
105
Replacing the front audio and USB
assembly
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
107
Replacing the internal speaker
.
.
.
.
.
.
.
108
Completing the parts replacement
.
.
.
.
.
110
© Copyright Lenovo 2011, 2012
i