Lenovo ThinkCentre M76 Hardware Maintenance Manual for ThinkCentre M76 - Page 4

Replacing FRUs Machine, Types: 3120

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Chapter 9. Replacing FRUs (Machine Types: 3120, 3122, 3126, and 3128 113 Locations 113 Locating connectors, controls, and indicators on the front of your computer 114 Locating connectors on the rear of your computer 115 Locating components 116 Locating parts on the system board . . . . 117 Locating internal drives 117 Handling static-sensitive devices 118 Installing or replacing hardware 119 Opening the computer cover 119 Removing and reinstalling the front bezel . . 120 Accessing the system board components and drives 122 Installing or replacing a memory module . . . 123 Installing or replacing a PCI card 124 Installing or replacing the card reader . . . . 126 Replacing the battery 131 Replacing the hard disk drive 132 Replacing the optical drive 135 Replacing the heat sink and fan assembly . . 137 Replacing the power supply assembly . . . 140 Replacing the microprocessor 145 Replacing the system board 148 Replacing the system fan assembly . . . . 150 Replacing the internal speaker 151 Replacing the front audio and USB assembly 156 Completing the parts replacement . . . . . 157 Chapter 10. FRU lists 159 Overall: MT 3120, 3122, 3126, and 3128 . . . . 159 Mechanical FRUs 162 Keyboard and Mouse 164 Adapters and miscellaneous FRUs 174 Power Cords 174 Recovery discs 177 Windows 7 Home Basic 32 SP1 Recovery CD 177 Windows 7 Home Premium 32 SP1 Recovery CD 177 Windows 7 Home Premium 64 SP1 Recovery CD 177 Windows 7 Professional 32 SP1 Recovery CD 177 Windows 7 Professional 64 SP1 Recovery CD 177 Windows 7 Ultimate 32 SP1 Recovery CD . . 178 Windows 7 Ultimate 64 SP1 Recovery CD . . 178 Windows XP Professional 32 Recovery CD . . 178 Windows XP Professional Generic Recovery CD 178 Windows Vista Business 32 Recovery CD . . 179 Overall: 3114, 3121, 3123, and 3127 180 Mechanical FRUs 183 Keyboard and Mouse 185 Adapters and miscellaneous FRUs 194 Power Cords 195 Recovery discs 197 Windows 7 Home Basic 32 SP1 Recovery CD 197 Windows 7 Home Premium 32 SP1 Recovery CD 197 Windows 7 Home Premium 64 SP1 Recovery CD 198 Windows 7 Professional 32 SP1 Recovery CD 198 Windows 7 Professional 64 SP1 Recovery CD 198 Windows 7 Ultimate 32 SP1 Recovery CD . . 198 Windows 7 Ultimate 64 SP1 Recovery CD . . 198 Windows XP Professional 32 Recovery CD . . 198 Windows XP Professional Generic Recovery CD 199 Windows Vista Business 32 Recovery CD . . 200 Chapter 11. Additional service information 201 Security features 201 Hardware-controlled passwords 201 Operating system password 201 Vital Product Data 201 BIOS levels 201 Updating (flashing) the BIOS from a disc . . . . 201 Updating (flashing) the BIOS from your operating system 202 Recovering from a POST and BIOS update failure 202 Power management 203 Advanced Configuration and Power Interface (ACPI) BIOS 203 Automatic Power-On features 203 Appendix A. Notices 205 Television output notice 206 Europeanpean conformance CE mark . . . . . 206 Trademarks 206 Index 207 ii ThinkCentre Hardware Maintenance Manual

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Chapter 9. Replacing FRUs (Machine
Types: 3120, 3122, 3126, and
3128.)
................
113
Locations
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
113
Locating connectors, controls, and indicators
on the front of your computer
.
.
.
.
.
.
.
114
Locating connectors on the rear of your
computer
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
115
Locating components
.
.
.
.
.
.
.
.
.
.
116
Locating parts on the system board
.
.
.
.
117
Locating internal drives
.
.
.
.
.
.
.
.
.
117
Handling static-sensitive devices
.
.
.
.
.
.
.
118
Installing or replacing hardware
.
.
.
.
.
.
.
.
119
Opening the computer cover
.
.
.
.
.
.
.
119
Removing and reinstalling the front bezel
.
.
120
Accessing the system board components and
drives
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
122
Installing or replacing a memory module .
.
.
123
Installing or replacing a PCI card
.
.
.
.
.
.
124
Installing or replacing the card reader
.
.
.
.
126
Replacing the battery
.
.
.
.
.
.
.
.
.
.
131
Replacing the hard disk drive
.
.
.
.
.
.
.
132
Replacing the optical drive
.
.
.
.
.
.
.
.
135
Replacing the heat sink and fan assembly .
.
137
Replacing the power supply assembly
.
.
.
140
Replacing the microprocessor
.
.
.
.
.
.
.
145
Replacing the system board
.
.
.
.
.
.
.
148
Replacing the system fan assembly
.
.
.
.
150
Replacing the internal speaker
.
.
.
.
.
.
.
151
Replacing the front audio and USB
assembly
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
156
Completing the parts replacement
.
.
.
.
.
157
Chapter 10. FRU lists
........
159
Overall: MT 3120, 3122, 3126, and 3128
.
.
.
.
159
Mechanical FRUs
.
.
.
.
.
.
.
.
.
.
.
.
.
162
Keyboard and Mouse
.
.
.
.
.
.
.
.
.
.
.
.
164
Adapters and miscellaneous FRUs
.
.
.
.
.
.
.
174
Power Cords
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
174
Recovery discs
.
.
.
.
.
.
.
.
.
.
.
.
.
.
177
Windows 7 Home Basic 32 SP1 Recovery
CD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
177
Windows 7 Home Premium 32 SP1 Recovery
CD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
177
Windows 7 Home Premium 64 SP1 Recovery
CD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
177
Windows 7 Professional 32 SP1 Recovery
CD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
177
Windows 7 Professional 64 SP1 Recovery
CD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
177
Windows 7 Ultimate 32 SP1 Recovery CD .
.
178
Windows 7 Ultimate 64 SP1 Recovery CD .
.
178
Windows XP Professional 32 Recovery CD .
.
178
Windows XP Professional Generic Recovery
CD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
178
Windows Vista Business 32 Recovery CD .
.
179
Overall: 3114, 3121, 3123, and 3127
.
.
.
.
.
.
180
Mechanical FRUs
.
.
.
.
.
.
.
.
.
.
.
.
.
183
Keyboard and Mouse
.
.
.
.
.
.
.
.
.
.
.
.
185
Adapters and miscellaneous FRUs
.
.
.
.
.
.
.
194
Power Cords
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
195
Recovery discs
.
.
.
.
.
.
.
.
.
.
.
.
.
.
197
Windows 7 Home Basic 32 SP1 Recovery
CD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
197
Windows 7 Home Premium 32 SP1 Recovery
CD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
197
Windows 7 Home Premium 64 SP1 Recovery
CD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
198
Windows 7 Professional 32 SP1 Recovery
CD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
198
Windows 7 Professional 64 SP1 Recovery
CD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
198
Windows 7 Ultimate 32 SP1 Recovery CD .
.
198
Windows 7 Ultimate 64 SP1 Recovery CD .
.
198
Windows XP Professional 32 Recovery CD .
.
198
Windows XP Professional Generic Recovery
CD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
199
Windows Vista Business 32 Recovery CD .
.
200
Chapter 11. Additional service
information
.............
201
Security features
.
.
.
.
.
.
.
.
.
.
.
.
.
.
201
Hardware-controlled passwords
.
.
.
.
.
.
201
Operating system password
.
.
.
.
.
.
.
201
Vital Product Data
.
.
.
.
.
.
.
.
.
.
.
201
BIOS levels
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
201
Updating (flashing) the BIOS from a disc
.
.
.
.
201
Updating (flashing) the BIOS from your operating
system
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
202
Recovering from a POST and BIOS update
failure
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
202
Power management
.
.
.
.
.
.
.
.
.
.
.
.
203
Advanced Configuration and Power Interface
(ACPI) BIOS
.
.
.
.
.
.
.
.
.
.
.
.
.
.
203
Automatic Power-On features
.
.
.
.
.
.
.
203
Appendix A. Notices
.........
205
Television output notice
.
.
.
.
.
.
.
.
.
.
.
206
Europeanpean conformance CE mark
.
.
.
.
.
206
Trademarks
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
206
Index
.................
207
ii
ThinkCentre Hardware Maintenance Manual