Lenovo ThinkCentre M77 Hardware Maintenance Manual (HMM) - ThinkCentre M77 - Page 3

Contents, Using the Setup Utility - 1995

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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 SimpleTap 33 Lenovo Solution Center 34 Additional information resources 34 Specifications 34 For machine types: 1982, 1983, 1985, 1986, 1987, 1990, 1992, 1993, 1994, and 1995. . . 35 For machine types: 1996, 1997, 2002, 2010, 2208, 2209, 2221, 2224, 2226, and 2227. . . 36 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 and changing settings 43 Using passwords 43 Password considerations 44 Power-On Password 44 Administrator Password 44 Hard Disk Password 44 Setting, changing, and deleting a password . 44 Erasing lost or forgotten passwords (clearing CMOS 45 Enabling or disabling a device 45 Selecting a startup device 46 Selecting a temporary startup device . . . . 46 Selecting or changing the startup device sequence 46 Enabling ErP compliance mode 46 Exiting the Setup Utility program 47 Chapter 7. Symptom-to-FRU index . . 49 Hard disk drive boot error 49 Power supply problems 49 Diagnostic error codes 49 Beep symptoms 67 POST error codes 67 Miscellaneous error messages 69 Undetermined problems 71 Chapter 8. Replacing FRUs (Machine Types: 1982, 1983, 1985, 1986, 1987, 1990, 1992, 1993, 1994, and 1995.) . . 73 Locations 73 Locating connectors, controls, and indicators on the front of your computer 74 Locating connectors on the rear of your computer 75 Locating components 76 Locating parts on the system board . . . . 77 Locating internal drives 78 Handling static-sensitive devices 78 Installing or replacing hardware 79 Removing the computer cover 79 Removing and reinstalling the front bezel . . 80 Installing or replacing a PCI card 81 Installing or replacing a memory module . . . 84 Installing or replacing the optical drive . . . 86 Installing or replacing the card reader . . . . 88 Replacing the battery 92 Replacing the power supply assembly . . . 93 Replacing the heat sink and fan assembly . . 95 Replacing the microprocessor 97 Replacing the primary hard disk drive . . . . 99 Replacing the secondary hard disk drive. . . 101 Replacing the front fan assembly . . . . . 103 Replacing the rear fan 105 © Copyright Lenovo 2011, 2012 i

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Contents
Chapter 1. About this manual
......
1
Important safety information
.
.
.
.
.
.
.
.
.
.
1
Chapter 2. Safety information
......
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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.
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.
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.
.
.
6
Grounding requirements
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.
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.
6
Safety notices (multi-lingual translations)
.
.
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.
.
6
Chapter 3. General information
....
33
Lenovo Welcome
.
.
.
.
.
.
.
.
.
.
.
.
.
.
33
Lenovo ThinkVantage Tools
.
.
.
.
.
.
.
.
.
33
SimpleTap
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
33
Lenovo Solution Center
.
.
.
.
.
.
.
.
.
.
.
34
Additional information resources
.
.
.
.
.
.
.
34
Specifications
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
34
For machine types: 1982, 1983, 1985, 1986,
1987, 1990, 1992, 1993, 1994, and 1995.
.
.
35
For machine types: 1996, 1997, 2002, 2010,
2208, 2209, 2221, 2224, 2226, and 2227.
.
.
36
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
.
.
.
.
.
.
.
.
.
.
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.
40
Creating a diagnostic disc
.
.
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.
40
Running the diagnostic program from the
diagnostic disc
.
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.
40
Navigating through the diagnostic programs
.
40
Running tests
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.
40
Viewing the test log
.
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.
42
Chapter 6. Using the Setup Utility
program
................
43
Starting the Setup Utility program
.
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.
43
Viewing and changing settings
.
.
.
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.
43
Using passwords
.
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43
Password considerations
.
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44
Power-On Password
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44
Administrator Password
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.
44
Hard Disk Password
.
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.
44
Setting, changing, and deleting a password
.
44
Erasing lost or forgotten passwords (clearing
CMOS)
.
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.
.
.
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.
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.
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.
.
.
.
.
45
Enabling or disabling a device
.
.
.
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.
.
45
Selecting a startup device
.
.
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.
.
.
.
.
.
.
46
Selecting a temporary startup device
.
.
.
.
46
Selecting or changing the startup device
sequence
.
.
.
.
.
.
.
.
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.
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.
.
.
46
Enabling ErP compliance mode
.
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.
.
.
46
Exiting the Setup Utility program
.
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.
.
.
.
47
Chapter 7. Symptom-to-FRU index . .
49
Hard disk drive boot error
.
.
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.
49
Power supply problems
.
.
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.
49
Diagnostic error codes
.
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49
Beep symptoms
.
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.
67
POST error codes
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67
Miscellaneous error messages
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.
69
Undetermined problems
.
.
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.
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.
.
71
Chapter 8. Replacing FRUs (Machine
Types: 1982, 1983, 1985, 1986, 1987,
1990, 1992, 1993, 1994, and 1995.) . .
73
Locations
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
73
Locating connectors, controls, and indicators
on the front of your computer
.
.
.
.
.
.
.
74
Locating connectors on the rear of your
computer
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
75
Locating components
.
.
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.
.
.
.
.
.
.
76
Locating parts on the system board
.
.
.
.
77
Locating internal drives
.
.
.
.
.
.
.
.
.
78
Handling static-sensitive devices
.
.
.
.
.
.
.
78
Installing or replacing hardware
.
.
.
.
.
.
.
.
79
Removing the computer cover
.
.
.
.
.
.
.
79
Removing and reinstalling the front bezel
.
.
80
Installing or replacing a PCI card
.
.
.
.
.
.
81
Installing or replacing a memory module .
.
.
84
Installing or replacing the optical drive
.
.
.
86
Installing or replacing the card reader
.
.
.
.
88
Replacing the battery
.
.
.
.
.
.
.
.
.
.
92
Replacing the power supply assembly
.
.
.
93
Replacing the heat sink and fan assembly .
.
95
Replacing the microprocessor
.
.
.
.
.
.
.
97
Replacing the primary hard disk drive
.
.
.
.
99
Replacing the secondary hard disk drive.
.
.
101
Replacing the front fan assembly
.
.
.
.
.
103
Replacing the rear fan
.
.
.
.
.
.
.
.
.
.
105
© Copyright Lenovo 2011, 2012
i