Lenovo ThinkCentre A70z Hardware Maintenance Manual for ThinkCentre A70z - Page 5

Contents, Using the Setup Utility.. - remove cover

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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 Safety inspection guide 5 Handling electrostatic discharge-sensitive devices 5 Grounding requirements 6 Safety notices (multi-lingual translations) . . . . . 6 Chapter 3. General information . . . . 29 Lenovo ThinkVantage Tools 29 ThinkVantage Productivity Center 29 Lenovo Solution Center 29 SimpleTap 29 Additional information resources 29 Specifications 30 Chapter 4. General Checkout . . . . . 31 Problem determination tips 31 Chapter 5. Diagnostics 33 Lenovo ThinkVantage Toolbox 33 Lenovo System Toolbox 33 Lenovo Solution Center 34 PC-Doctor for DOS 34 Creating a diagnostic disc 34 Running the diagnostic program from a diagnostic disc 34 Navigating through the diagnostics programs 35 Running tests 35 Viewing the test log 36 Chapter 6. Using the Setup Utility. . . 37 Starting the Setup Utility program 37 Viewing and changing settings 37 Using passwords 37 Password considerations 37 Set User Password 38 Set Administrator Password 38 Setting, changing, and deleting a password . 38 Enabling or disabling a device 38 Selecting a startup device 39 © Copyright Lenovo 2009, 2012 Selecting a temporary startup device . . . . 39 Selecting or changing the startup device sequence 39 Exiting from the Setup Utility program . . . . . 39 Chapter 7. Symptom-to-FRU Index . . 41 Hard disk drive boot error 41 Power Supply Problems 41 Diagnostic error codes 42 Beep symptoms 59 POST error codes 60 Miscellaneous error messages 61 Undetermined problems 63 Chapter 8. Replacing FRUs 65 Locating controls and connectors on the front of your computer 65 Rear connectors 65 FRU locations 66 Major components of the computer . . . . 67 System board connectors 68 Adjusting the computer stand 69 Removing the computer stand 69 Removing the computer cover 70 Opening and closing the system board shielding . 71 Opening the system board shielding . . . . 71 Closing the system board shielding. . . . . 72 Replacing the rear I/O shielding 73 Removing the rear I/O shielding 73 Installing the rear I/O shielding 74 Replacing the hard disk drive 74 Removing the hard disk drive 75 Installing a hard disk drive 75 Replacing the optical drive 77 Removing the optical drive 77 Installing an optical drive 78 Replacing the memory module 79 Removing the memory module 79 Installing a memory module 80 Replacing the microprocessor fan assembly . . . 81 Removing the microprocessor fan assembly . 81 Installing a microprocessor fan assembly . . 83 Replacing the microprocessor and heat sink assembly 85 Removing the microprocessor and heat sink assembly 85 Installing the microprocessor and heat sink assembly 87 iii

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Contents
Chapter 1. About this manual
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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
Safety inspection guide
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5
Handling electrostatic discharge-sensitive
devices
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5
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
Lenovo ThinkVantage Tools
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29
ThinkVantage Productivity Center
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29
Lenovo Solution Center
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SimpleTap
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29
Additional information resources
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Specifications
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30
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 ThinkVantage Toolbox
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Lenovo System Toolbox
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Lenovo Solution Center
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34
PC-Doctor for DOS
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34
Creating a diagnostic disc
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34
Running the diagnostic program from a
diagnostic disc
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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. . .
37
Starting the Setup Utility program
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37
Viewing and changing settings
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37
Using passwords
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37
Password considerations
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37
Set User Password
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38
Set Administrator Password
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38
Setting, changing, and deleting a password
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38
Enabling or disabling a device
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38
Selecting a startup device
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39
Selecting a temporary startup device
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39
Selecting or changing the startup device
sequence
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39
Exiting from the Setup Utility program
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39
Chapter 7. Symptom-to-FRU Index . .
41
Hard disk drive boot error
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41
Power Supply Problems
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41
Diagnostic error codes
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42
Beep symptoms
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59
POST error codes
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60
Miscellaneous error messages
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61
Undetermined problems
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63
Chapter 8. Replacing FRUs
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65
Locating controls and connectors on the front of
your computer
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65
Rear connectors
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65
FRU locations
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66
Major components of the computer
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67
System board connectors
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68
Adjusting the computer stand
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69
Removing the computer stand
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69
Removing the computer cover
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70
Opening and closing the system board shielding
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71
Opening the system board shielding
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71
Closing the system board shielding
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72
Replacing the rear I/O shielding
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73
Removing the rear I/O shielding
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73
Installing the rear I/O shielding
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74
Replacing the hard disk drive
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74
Removing the hard disk drive
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75
Installing a hard disk drive
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75
Replacing the optical drive
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77
Removing the optical drive
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77
Installing an optical drive
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78
Replacing the memory module
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79
Removing the memory module
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79
Installing a memory module
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.
80
Replacing the microprocessor fan assembly .
.
.
81
Removing the microprocessor fan assembly
.
81
Installing a microprocessor fan assembly
.
.
83
Replacing the microprocessor and heat sink
assembly
.
.
.
.
.
.
.
.
.
.
.
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.
.
85
Removing the microprocessor and heat sink
assembly
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85
Installing the microprocessor and heat sink
assembly
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87
© Copyright Lenovo 2009, 2012
iii