Lenovo ThinkCentre A62 Hardware Maintenance Manual - Page 5

Contents, Using the Setup Utility . . - parts

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Contents Chapter 1. About this manual . . . . . 1 Important Safety Information 1 Important information about replacing RoHS compliant FRUs 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. . . . 29 The ThinkVantage Productivity Center program . . 29 Additional information resources 29 Specifications 29 For machine types: 7057, 7062, 7092, 9342, 9344, 9354, 9426, 9486, 9624, 9707, 9787, 9804, 9945 29 For machine types: 7061, 7090, 9353, 9421, 9485, 9623, 9625, 9705, 9786, 9795, 9935, 9946, 9953 29 Chapter 4. General Checkout. . . . . 31 Problem determination tips 31 Chapter 5. Diagnostics 33 Lenovo System Toolbox 33 PC-Doctor for Windows PE 33 Running diagnostics from the Rescue and Recovery workspace 33 PC-Doctor for DOS 34 Creating a diagnostic CD image 34 Creating diagnostic diskettes 34 Running diagnostics from the CD or diskettes 34 Navigating through the diagnostics programs 35 Running tests 35 Viewing the test log 36 Chapter 6. Using the Setup Utility . . 39 Starting the Setup Utility program 39 Viewing and changing settings 39 Using passwords 39 Password considerations 39 User Password 40 Administrator Password 40 Setting, changing, and deleting a password . 40 Enabling or disabling a device 40 Selecting a startup device 41 Selecting a temporary startup device . . . . 41 Selecting or changing the startup device sequence 41 Exiting from the Setup Utility program . . . . . 41 Chapter 7. Symptom-to-FRU Index . 43 Hard disk drive boot error 43 Power Supply Problems 43 Diagnostic error codes 44 Beep symptoms 61 POST error codes 62 Miscellaneous error messages 63 Undetermined problems 65 Chapter 8. Replacing FRUs (Types 7061, 7090, 9353, 9421, 9485, 9623, 9625, 9705, 9786, 9795, 9935, 9946, 9953 67 Locating controls and connectors on the front of your computer 67 Rear connectors 67 Removing the cover 68 Locations 69 Locating parts on the system board 71 Removing and replacing the front bezel . . . . . 71 Replacing the power supply 72 Replacing the system board 73 Replacing the microprocessor 77 Replacing a memory module 79 Replacing a PCI adapter card 80 Replacing the hard disk drive 82 Replacing an optical drive 84 Replacing the diskette drive 85 Replacing the rear fan assembly 86 Replacing the front fan assembly 87 Replacing the front audio/USB assembly . . . . 89 Replacing the power switch/LED assembly . . . 89 Replacing the CMOS battery 90 Completing the FRU replacement 91 Chapter 9. Replacing FRUs (Types 7057, 7062, 7092, 9342, 9344, 9354, © Copyright Lenovo 2008, 2010 v

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Contents
Chapter 1. About this manual
.....
1
Important Safety Information
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1
Important information about replacing RoHS
compliant FRUs
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1
Chapter 2. Safety information
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3
General safety
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3
Electrical safety
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3
Voltage-selection switch
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5
Safety inspection guide
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5
Handling electrostatic discharge-sensitive
devices
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6
Grounding requirements
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6
Safety notices (multi-lingual translations)
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6
Chapter 3. General information
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29
The ThinkVantage Productivity Center program .
.
29
Additional information resources
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29
Specifications
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29
For machine types: 7057, 7062, 7092, 9342,
9344, 9354, 9426, 9486, 9624, 9707, 9787,
9804, 9945
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29
For machine types: 7061, 7090, 9353, 9421,
9485, 9623, 9625, 9705, 9786, 9795, 9935,
9946, 9953
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29
Chapter 4. General Checkout
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31
Problem determination tips
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31
Chapter 5. Diagnostics
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33
Lenovo System Toolbox
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33
PC-Doctor for Windows PE
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33
Running diagnostics from the Rescue and
Recovery workspace
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33
PC-Doctor for DOS
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34
Creating a diagnostic CD image
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34
Creating diagnostic diskettes
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34
Running diagnostics from the CD or
diskettes
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34
Navigating through the diagnostics
programs
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35
Running tests
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35
Viewing the test log
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36
Chapter 6. Using the Setup Utility . .
39
Starting the Setup Utility program
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39
Viewing and changing settings
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39
Using passwords
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39
Password considerations
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User Password
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40
Administrator Password
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40
Setting, changing, and deleting a password
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40
Enabling or disabling a device
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40
Selecting a startup device
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41
Selecting a temporary startup device
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41
Selecting or changing the startup device
sequence
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41
Exiting from the Setup Utility program
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41
Chapter 7. Symptom-to-FRU Index
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43
Hard disk drive boot error
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43
Power Supply Problems
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43
Diagnostic error codes
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44
Beep symptoms
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61
POST error codes
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62
Miscellaneous error messages
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63
Undetermined problems
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65
Chapter 8. Replacing FRUs (Types
7061, 7090, 9353, 9421, 9485, 9623,
9625, 9705, 9786, 9795, 9935, 9946,
9953)
..................
67
Locating controls and connectors on the front of
your computer
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67
Rear connectors
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67
Removing the cover
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68
Locations
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69
Locating parts on the system board
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71
Removing and replacing the front bezel
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71
Replacing the power supply
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72
Replacing the system board
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73
Replacing the microprocessor
.
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77
Replacing a memory module
.
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.
79
Replacing a PCI adapter card
.
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.
80
Replacing the hard disk drive
.
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82
Replacing an optical drive
.
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84
Replacing the diskette drive
.
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.
85
Replacing the rear fan assembly
.
.
.
.
.
.
.
.
86
Replacing the front fan assembly
.
.
.
.
.
.
.
87
Replacing the front audio/USB assembly
.
.
.
.
89
Replacing the power switch/LED assembly
.
.
.
89
Replacing the CMOS battery
.
.
.
.
.
.
.
.
.
90
Completing the FRU replacement
.
.
.
.
.
.
.
91
Chapter 9. Replacing FRUs (Types
7057, 7062, 7092, 9342, 9344, 9354,
© Copyright Lenovo 2008, 2010
v