Lenovo ThinkCentre M91p Hardware Maintenance Manual - Page 5

Contents, Using the Setup Utility - no audio

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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 Lenovo Welcome 29 Lenovo ThinkVantage Tools 29 Lenovo ThinkVantage Toolbox 29 SimpleTap 29 Lenovo Solution Center 30 ThinkVantage Productivity Center 30 Additional information resources 30 Specifications 31 Chapter 4. General checkout . . . . . 33 Checking for power problems 33 Problem determination tips 34 Chapter 5. Diagnostics 37 Lenovo ThinkVantage Toolbox 37 Lenovo Solution Center 37 PC-Doctor for DOS 38 Creating a diagnostic disc 38 Running the diagnostic program from a diagnostic disc 38 Navigating through the diagnostics programs 38 Running tests 39 Viewing the test log 40 Chapter 6. Using the Setup Utility program 41 Starting the Setup Utility program 41 Viewing and changing settings 41 Using passwords 41 Password considerations 42 Power-On Password 42 Administrator Password 42 Hard Disk Password 42 Setting, changing, and deleting a password . 42 Erasing lost or forgotten passwords (clearing CMOS 43 Enabling or disabling a device 43 Selecting a startup device 44 Selecting a temporary startup device . . . . 44 Selecting or changing the startup device sequence 44 Smart performance choices 44 Exiting from the Setup Utility program . . . . . 45 Chapter 7. Symptom-to-FRU index . . 47 Hard disk drive boot error 47 Diagnostic error codes 47 Beep symptoms 63 POST error codes 63 Miscellaneous error messages 65 Undetermined problems 66 Chapter 8. Replacing FRUs 69 Locations 69 Locating connectors, controls, and indicators on the front of your computer 69 Locating connectors on the rear of your computer 70 Locating components 71 Locating parts on the system board . . . . 71 Opening the computer cover 72 Removing and reinstalling the front bezel . . . . 73 Installing or replacing a memory module . . . . 74 Installing or replacing the PCI card 75 Replacing the hard disk drive 77 Replacing the optical drive 78 Replacing the battery 80 Replacing the heat sink 81 Replacing the microprocessor 83 Replacing the system board 86 Replacing the system fan assembly 88 Replacing the internal speaker 91 Replacing the front audio and USB assembly . . 92 Replacing the ac power adapter 94 Replacing the ac power adapter bracket . . . . 95 Completing the parts replacement 98 Chapter 9. FRU lists 99 © Copyright Lenovo 2011, 2012 iii

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Contents
Chapter 1. About this manual
......
1
Important safety information
.
.
.
.
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.
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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
....
29
Lenovo Welcome
.
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29
Lenovo ThinkVantage Tools
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29
Lenovo ThinkVantage Toolbox
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29
SimpleTap
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29
Lenovo Solution Center
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30
ThinkVantage Productivity Center
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30
Additional information resources
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30
Specifications
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31
Chapter 4. General checkout
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33
Checking for power problems
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33
Problem determination tips
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34
Chapter 5. Diagnostics
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37
Lenovo ThinkVantage Toolbox
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37
Lenovo Solution Center
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37
PC-Doctor for DOS
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38
Creating a diagnostic disc
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38
Running the diagnostic program from a
diagnostic disc
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38
Navigating through the diagnostics
programs
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38
Running tests
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39
Viewing the test log
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40
Chapter 6. Using the Setup Utility
program
................
41
Starting the Setup Utility program
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41
Viewing and changing settings
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41
Using passwords
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41
Password considerations
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42
Power-On Password
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42
Administrator Password
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42
Hard Disk Password
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42
Setting, changing, and deleting a password
.
42
Erasing lost or forgotten passwords (clearing
CMOS)
.
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.
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.
.
43
Enabling or disabling a device
.
.
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.
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.
43
Selecting a startup device
.
.
.
.
.
.
.
.
.
.
44
Selecting a temporary startup device
.
.
.
.
44
Selecting or changing the startup device
sequence
.
.
.
.
.
.
.
.
.
.
.
.
.
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.
44
Smart performance choices
.
.
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44
Exiting from the Setup Utility program
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45
Chapter 7. Symptom-to-FRU index . .
47
Hard disk drive boot error
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47
Diagnostic error codes
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47
Beep symptoms
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63
POST error codes
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63
Miscellaneous error messages
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65
Undetermined problems
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66
Chapter 8. Replacing FRUs
......
69
Locations
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
69
Locating connectors, controls, and indicators
on the front of your computer
.
.
.
.
.
.
.
69
Locating connectors on the rear of your
computer
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
70
Locating components
.
.
.
.
.
.
.
.
.
.
71
Locating parts on the system board
.
.
.
.
71
Opening the computer cover
.
.
.
.
.
.
.
.
.
72
Removing and reinstalling the front bezel
.
.
.
.
73
Installing or replacing a memory module
.
.
.
.
74
Installing or replacing the PCI card
.
.
.
.
.
.
.
75
Replacing the hard disk drive
.
.
.
.
.
.
.
.
.
77
Replacing the optical drive
.
.
.
.
.
.
.
.
.
.
78
Replacing the battery
.
.
.
.
.
.
.
.
.
.
.
.
80
Replacing the heat sink
.
.
.
.
.
.
.
.
.
.
.
81
Replacing the microprocessor
.
.
.
.
.
.
.
.
83
Replacing the system board
.
.
.
.
.
.
.
.
.
86
Replacing the system fan assembly
.
.
.
.
.
.
88
Replacing the internal speaker
.
.
.
.
.
.
.
.
91
Replacing the front audio and USB assembly
.
.
92
Replacing the ac power adapter
.
.
.
.
.
.
.
.
94
Replacing the ac power adapter bracket
.
.
.
.
95
Completing the parts replacement
.
.
.
.
.
.
.
98
Chapter 9. FRU lists
..........
99
© Copyright Lenovo 2011, 2012
iii