Lenovo ThinkCentre A70 Hardware Maintenance Manual for ThinkCentre A70 - Page 6

FRU lists, Additional service, information, Appendix A. Notices, Index - power supply

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Page 6 highlights

Locating parts on the system board 99 Locating internal drives 100 Removing the computer cover 101 Removing and reinstalling the front bezel . . . . 102 Accessing the system board components and drives 104 Installing or replacing a PCI card 105 Installing or replacing a memory module . . . . 107 Replacing the battery 109 Replacing the heat sink and fan assembly . . . . 110 Replacing the microprocessor 113 Replacing the power supply assembly . . . . . 116 Replacing the optical drive 120 Replacing the system board 123 Replacing the hard disk drive 125 Replacing the card reader 127 Replacing the front audio and USB assembly . . 129 Replacing the front fan assembly 130 Completing the parts replacement 132 Chapter 10. FRU lists 135 Overall: MT 0864, 7099, and 7846 135 Mechanical FRUs 143 Keyboard and Mouse 145 Adapters and miscellaneous FRUs 169 Power Cords 170 Recovery discs 175 Windows 7 Professional 32 Recovery CD . . 175 Windows 7 Professional 32 with MS office starter 2010 Recovery CD 178 Windows 7 Home Basic 32 Recovery CD . . 182 Windows 7 Home Basic 32 Office Starter 2010 Recovery CD 183 Windows 7 Home Premium 32 Recovery CD 184 Windows 7 Home Premium 32 Office Starter 2010 Recovery CD 185 Windows 7 Home Premium 64 Recovery CD 187 Windows 7 Home Premium 64 with MS Office Starter 2010 Recovery CD 188 Windows 7 Professional 64 Recovery CD . . 189 Windows 7 Professional 64 with MS office starter 2010 Recovery CD 192 Windows XP Professional Recovery CD . . . 194 Overall: MT 0889, 5023, and 7844 196 Mechanical FRUs 204 Keyboard and Mouse 206 Adapters and miscellaneous FRUs 228 Power Cords 229 Recovery discs 233 Windows 7 Professional 32 Recovery CD . . 233 Windows 7 Professional 32 with MS office starter 2010 Recovery CD 236 Windows 7 Home Basic 32 Recovery CD . . 239 Windows 7 Home Basic 32 Office Starter 2010 Recovery CD 240 Windows 7 Home Premium 32 Recovery CD 241 Windows 7 Home Premium 32 Office Starter 2010 Recovery CD 243 Windows 7 Home Premium 64 Recovery CD 244 Windows 7 Home Premium 64 with MS Office Starter 2010 Recovery CD 246 Windows 7 Professional 64 Recovery CD . . 247 Windows 7 Professional 64 Office Starter 2010 Recovery CD 249 Windows XP Professional 32 Recovery CD . . 252 Chapter 11. Additional service information 255 Security features 255 Hardware-controlled passwords 255 Operating system password 255 Vital Product Data 255 BIOS levels 255 Updating (flashing) the BIOS from a disc . . . . 255 Updating (flashing) the BIOS from your operating system 256 Recovering from a POST and BIOS update failure 256 Power management 257 Advanced Configuration and Power Interface (ACPI) BIOS 257 Automatic Power-On features 257 Appendix A. Notices 259 Television output notice 260 European conformance CE mark 260 Trademarks 260 Index 261 iv ThinkCentre Hardware Maintenance Manual

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Locating parts on the system board
.
.
.
.
.
.
99
Locating internal drives
.
.
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.
.
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.
.
.
.
100
Removing the computer cover
.
.
.
.
.
.
.
.
101
Removing and reinstalling the front bezel
.
.
.
.
102
Accessing the system board components and
drives
.
.
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.
.
104
Installing or replacing a PCI card
.
.
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.
105
Installing or replacing a memory module
.
.
.
.
107
Replacing the battery
.
.
.
.
.
.
.
.
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.
.
109
Replacing the heat sink and fan assembly
.
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.
110
Replacing the microprocessor
.
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.
113
Replacing the power supply assembly
.
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116
Replacing the optical drive
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.
120
Replacing the system board
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123
Replacing the hard disk drive
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125
Replacing the card reader
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127
Replacing the front audio and USB assembly
.
.
129
Replacing the front fan assembly
.
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.
.
130
Completing the parts replacement
.
.
.
.
.
.
.
132
Chapter 10. FRU lists
........
135
Overall: MT 0864, 7099, and 7846
..
.
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.
135
Mechanical FRUs
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143
Keyboard and Mouse
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145
Adapters and miscellaneous FRUs
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169
Power Cords
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170
Recovery discs
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175
Windows 7 Professional 32 Recovery CD
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175
Windows 7 Professional 32 with MS office
starter 2010 Recovery CD
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178
Windows 7 Home Basic 32 Recovery CD
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182
Windows 7 Home Basic 32 Office Starter 2010
Recovery CD
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183
Windows 7 Home Premium 32 Recovery
CD
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184
Windows 7 Home Premium 32 Office Starter
2010 Recovery CD
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185
Windows 7 Home Premium 64 Recovery
CD
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187
Windows 7 Home Premium 64 with MS Office
Starter 2010 Recovery CD
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188
Windows 7 Professional 64 Recovery CD
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189
Windows 7 Professional 64 with MS office
starter 2010 Recovery CD
.
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192
Windows XP Professional Recovery CD .
.
.
194
Overall: MT 0889, 5023, and 7844
..
.
.
.
.
.
.
196
Mechanical FRUs
.
.
.
.
.
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.
.
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.
204
Keyboard and Mouse
.
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206
Adapters and miscellaneous FRUs
.
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228
Power Cords
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229
Recovery discs
.
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233
Windows 7 Professional 32 Recovery CD
.
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233
Windows 7 Professional 32 with MS office
starter 2010 Recovery CD
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236
Windows 7 Home Basic 32 Recovery CD
.
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239
Windows 7 Home Basic 32 Office Starter 2010
Recovery CD
.
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240
Windows 7 Home Premium 32 Recovery
CD
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241
Windows 7 Home Premium 32 Office Starter
2010 Recovery CD
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243
Windows 7 Home Premium 64 Recovery
CD
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.
244
Windows 7 Home Premium 64 with MS Office
Starter 2010 Recovery CD
.
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246
Windows 7 Professional 64 Recovery CD
.
.
247
Windows 7 Professional 64 Office Starter 2010
Recovery CD
.
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249
Windows XP Professional 32 Recovery CD .
.
252
Chapter 11. Additional service
information
.............
255
Security features
.
.
.
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.
255
Hardware-controlled passwords
.
.
.
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.
255
Operating system password
.
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.
255
Vital Product Data
.
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.
255
BIOS levels
.
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.
.
255
Updating (flashing) the BIOS from a disc
.
.
.
.
255
Updating (flashing) the BIOS from your operating
system
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
256
Recovering from a POST and BIOS update
failure
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
256
Power management
.
.
.
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.
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.
.
257
Advanced Configuration and Power Interface
(ACPI) BIOS
.
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.
.
257
Automatic Power-On features
.
.
.
.
.
.
.
257
Appendix A. Notices
.........
259
Television output notice
.
.
.
.
.
.
.
.
.
.
.
260
European conformance CE mark
.
.
.
.
.
.
.
260
Trademarks
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
260
Index
.................
261
iv
ThinkCentre Hardware Maintenance Manual