Lenovo ThinkCentre M91p Hardware Maintenance Manual - Page 6

Replacing FRUs Machine, Additional service - no audio

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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 system board 100 Replacing the primary hard disk drive . . . . 103 Replacing the secondary hard disk drive. . . 105 Replacing the front fan assembly . . . . . 107 Replacing the rear fan assembly 108 Replacing the front audio and USB assembly 110 Replacing the internal speaker 111 Completing the parts replacement . . . . . 113 Chapter 9. Replacing FRUs (Machine Types: 4466, 4471, 4474, 4477, 4480, 4485, 4496, 4498, 4503, 4512, 4514, 4518, 4554, 7005, 7023, 7033, 7035, 7072, 7079, and 7177 115 Locations 115 Locating connectors, controls, and indicators on the front of your computer 116 Locating connectors on the rear of your computer 117 Locating components 118 Locating parts on the system board . . . . 119 Locating internal drives 120 Handling static-sensitive devices 120 Installing or replacing hardware 121 Opening the computer cover 121 Removing and reinstalling the front bezel . . 122 Accessing the system board components and drives 124 Installing or replacing a memory module . . . 125 Installing or replacing a PCI card 126 Installing or replacing the card reader . . . . 128 Replacing the battery 133 Replacing the hard disk drive 134 Replacing the optical drive 137 Replacing the heat sink and fan assembly . . 139 Replacing the power supply assembly . . . 142 Replacing the microprocessor 147 Replacing the system board 150 Replacing the system fan assembly . . . . 153 Replacing the internal speaker 155 Replacing the front audio and USB assembly 159 Completing the parts replacement . . . . . 160 Chapter 10. FRU lists 163 Overall: MT 4468, 4473, 4476, 4479, 4495, 4497, 4499, 4504, 4513, 4517, 4524, 7021, 7032, 7034, 7049, 7052, 7053, 7073, 7136, and 7178 . . . . 163 Mechanical FRUs 182 Keyboard and Mouse 194 Adapters and miscellaneous FRUs 250 Power Cords 254 Recovery discs 266 Windows 7 Professional 32 Recovery CD . . 266 Windows 7 Home Basic 32 Recovery CD . . 275 Windows 7 Home Premium 32 Recovery CD 278 Windows 7 Home Premium 64 Recovery CD 278 Windows 7 Professional 64 Recovery CD . . 283 Windows XP Professional 32 Recovery CD . . 291 Windows XP Professionally Generic 32 Recovery CD 296 Windows Vista Business 32 Recovery CD . . 298 Windows Vista Home Basic 32 Recovery CD 299 Overall: MT 4466, 4471, 4474, 4477, 4480, 4485, 4496, 4498, 4503, 4512, 4514, 4518, 4554, 7005, 7023, 7033, 7035, 7072, 7079, and 7177 . . . . 301 Mechanical FRUs 326 Keyboard and Mouse 344 Adapters and miscellaneous FRUs 412 Power Cords 416 Recovery discs 431 Windows 7 Professional 32 Recovery CD . . 431 Windows 7 Home Basic 32 Recovery CD . . 442 Windows 7 Home Premium 32 Recovery CD 445 Windows 7 Home Premium 64 Recovery CD 446 Windows 7 Professional 64 Recovery CD . . 451 Windows XP Professional 32 Recovery CD . . 461 Windows XP Professionally Generic 32 Recovery CD 468 Windows Vista Business 32 Recovery CD . . 471 Windows Vista Home Basic 32 Recovery CD 472 Chapter 11. Additional service information 475 Security features 475 Hardware-controlled passwords 475 Operating system password 475 Vital Product Data 475 BIOS levels 475 Updating (flashing) the BIOS from a disc . . . . 475 Updating (flashing) the BIOS from your operating system 476 iv ThinkCentre Hardware Maintenance Manual

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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 system board
.
.
.
.
.
.
.
100
Replacing the primary hard disk drive
.
.
.
.
103
Replacing the secondary hard disk drive.
.
.
105
Replacing the front fan assembly
.
.
.
.
.
107
Replacing the rear fan assembly
.
.
.
.
.
.
108
Replacing the front audio and USB
assembly
.
.
.
.
.
.
.
.
.
.
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.
.
110
Replacing the internal speaker
.
.
.
.
.
.
.
111
Completing the parts replacement
.
.
.
.
.
113
Chapter 9. Replacing FRUs (Machine
Types: 4466, 4471, 4474, 4477, 4480,
4485, 4496, 4498, 4503, 4512, 4514,
4518, 4554, 7005, 7023, 7033, 7035,
7072, 7079, and 7177.)
........
115
Locations
.
.
.
.
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.
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.
.
.
.
115
Locating connectors, controls, and indicators
on the front of your computer
.
.
.
.
.
.
.
116
Locating connectors on the rear of your
computer
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
117
Locating components
.
.
.
.
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.
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.
118
Locating parts on the system board
.
.
.
.
119
Locating internal drives
.
.
.
.
.
.
.
.
.
120
Handling static-sensitive devices
.
.
.
.
.
.
.
120
Installing or replacing hardware
.
.
.
.
.
.
.
.
121
Opening the computer cover
.
.
.
.
.
.
.
121
Removing and reinstalling the front bezel
.
.
122
Accessing the system board components and
drives
.
.
.
.
.
.
.
.
.
.
.
.
.
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.
.
124
Installing or replacing a memory module .
.
.
125
Installing or replacing a PCI card
.
.
.
.
.
.
126
Installing or replacing the card reader
.
.
.
.
128
Replacing the battery
.
.
.
.
.
.
.
.
.
.
133
Replacing the hard disk drive
.
.
.
.
.
.
.
134
Replacing the optical drive
.
.
.
.
.
.
.
.
137
Replacing the heat sink and fan assembly .
.
139
Replacing the power supply assembly
.
.
.
142
Replacing the microprocessor
.
.
.
.
.
.
.
147
Replacing the system board
.
.
.
.
.
.
.
150
Replacing the system fan assembly
.
.
.
.
153
Replacing the internal speaker
.
.
.
.
.
.
.
155
Replacing the front audio and USB
assembly
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
159
Completing the parts replacement
.
.
.
.
.
160
Chapter 10. FRU lists
........
163
Overall: MT 4468, 4473, 4476, 4479, 4495, 4497,
4499, 4504, 4513, 4517, 4524, 7021, 7032, 7034,
7049, 7052, 7053, 7073, 7136, and 7178
.
.
.
.
163
Mechanical FRUs
.
.
.
.
.
.
.
.
.
.
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.
.
182
Keyboard and Mouse
.
.
.
.
.
.
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.
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194
Adapters and miscellaneous FRUs
.
.
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.
.
250
Power Cords
.
.
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.
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.
.
.
254
Recovery discs
.
.
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.
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.
.
.
.
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.
.
266
Windows 7 Professional 32 Recovery CD
.
.
266
Windows 7 Home Basic 32 Recovery CD
.
.
275
Windows 7 Home Premium 32 Recovery
CD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
278
Windows 7 Home Premium 64 Recovery
CD
.
.
.
.
.
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.
.
.
.
.
.
.
.
278
Windows 7 Professional 64 Recovery CD
.
.
283
Windows XP Professional 32 Recovery CD .
.
291
Windows XP Professionally Generic 32
Recovery CD
.
.
.
.
.
.
.
.
.
.
.
.
.
296
Windows Vista Business 32 Recovery CD .
.
298
Windows Vista Home Basic 32 Recovery
CD
.
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.
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.
.
.
.
.
.
.
299
Overall: MT 4466, 4471, 4474, 4477, 4480, 4485,
4496, 4498, 4503, 4512, 4514, 4518, 4554, 7005,
7023, 7033, 7035, 7072, 7079, and 7177
.
.
.
.
301
Mechanical FRUs
.
.
.
.
.
.
.
.
.
.
.
.
.
326
Keyboard and Mouse
.
.
.
.
.
.
.
.
.
.
.
.
344
Adapters and miscellaneous FRUs
.
.
.
.
.
.
.
412
Power Cords
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
416
Recovery discs
.
.
.
.
.
.
.
.
.
.
.
.
.
.
431
Windows 7 Professional 32 Recovery CD
.
.
431
Windows 7 Home Basic 32 Recovery CD
.
.
442
Windows 7 Home Premium 32 Recovery
CD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
445
Windows 7 Home Premium 64 Recovery
CD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
446
Windows 7 Professional 64 Recovery CD
.
.
451
Windows XP Professional 32 Recovery CD .
.
461
Windows XP Professionally Generic 32
Recovery CD
.
.
.
.
.
.
.
.
.
.
.
.
.
468
Windows Vista Business 32 Recovery CD .
.
471
Windows Vista Home Basic 32 Recovery
CD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
472
Chapter 11. Additional service
information
.............
475
Security features
.
.
.
.
.
.
.
.
.
.
.
.
.
.
475
Hardware-controlled passwords
.
.
.
.
.
.
475
Operating system password
.
.
.
.
.
.
.
475
Vital Product Data
.
.
.
.
.
.
.
.
.
.
.
475
BIOS levels
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
475
Updating (flashing) the BIOS from a disc
.
.
.
.
475
Updating (flashing) the BIOS from your operating
system
.
.
.
.
.
.
.
.
.
.
.
.
.
.
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.
.
.
476
iv
ThinkCentre Hardware Maintenance Manual