Lenovo ThinkCentre Edge 91 Hardware Maintenance Manual (HMM) (April 2012) - Th - Page 4

Replacing FRUs Machine, Types: 1857 - bios

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Chapter 9. Replacing FRUs (Machine Types: 1857, 1893, and 1895) . . . . 107 Locations 107 Locating connectors, controls, and indicators on the front of your computer 107 Locating connectors on the rear of your computer 108 Locating components 108 Locating parts on the system board . . . . 109 Locating internal drives 111 Handling static-sensitive devices 111 Installing or replacing hardware 112 Removing the computer cover 112 Removing and reinstalling the front bezel . . 113 Accessing the system board components and drives 114 Installing or replacing a PCI card 116 Installing or replacing a memory module . . . 118 Replacing the battery 119 Replacing the hard disk drive 120 Replacing the optical drive 123 Replacing the power supply assembly . . . 126 Replacing the heat sink and fan assembly . . 130 Replacing the microprocessor 133 Replacing the system board 136 Replacing the system fan assembly . . . . 139 Replacing the front audio and USB assembly 140 Completing the parts replacement . . . . . 141 Chapter 10. FRU lists 143 Overall: 1852, 1853, 1855, 3247, and 3248 . . . 143 Mechanical FRUs 149 Keyboard and Mouse 152 Adapters and miscellaneous FRUs 177 Power Cords 178 Recovery discs 183 Windows 7 Starter Recovery CD 183 Windows 7 Home Basic 32 Recovery CD . . 184 Windows 7 Home Premium 32 Recovery CD 185 Windows 7 Home Premium 64 Recovery CD 186 Windows 7 Professional 32 Recovery CD . . 189 Windows 7 Professional 64 Recovery CD . . 190 Windows XP Professional 32 Recovery CD . . 192 Windows XP Professional Generic 32 Recovery CD 192 Overall: MT 1857, 1893, 1895, 3250, and 3253 . . 195 Mechanical FRUs 202 Keyboard and Mouse 205 Adapters and miscellaneous FRUs 230 Power Cords 230 Recovery discs 235 Windows 7 Starter Recovery CD 235 Windows 7 Home Basic 32 Recovery CD . . 236 Windows 7 Home Premium 32 Recovery CD 237 Windows 7 Home Premium 64 Recovery CD 238 Windows 7 Professional 32 SP 1 Recovery CD 241 Windows 7 Professional 64 SP 1 Recovery CD 242 Windows XP Professional 32 Recovery CD . . 244 Windows XP Professional Generic Recovery CD 244 Chapter 11. Additional service information 249 Security features 249 Hardware-controlled passwords 249 Operating system password 249 Vital Product Data 249 BIOS levels 249 Updating (flashing) the BIOS from a disc . . . . 249 Updating (flashing) the BIOS from your operating system 250 Recovering from a POST/BIOS update failure . . 250 Power management 251 Advanced Configuration and Power Interface (ACPI) BIOS 251 Automatic Power-On features 251 Appendix A. Notices 253 Television output notice 254 European conformance CE mark 254 Trademarks 254 Index 255 ii ThinkCentre Hardware Maintenance Manual

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Chapter 9. Replacing FRUs (Machine
Types: 1857, 1893, and 1895)
....
107
Locations
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
107
Locating connectors, controls, and indicators
on the front of your computer
.
.
.
.
.
.
.
107
Locating connectors on the rear of your
computer
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
108
Locating components
.
.
.
.
.
.
.
.
.
.
108
Locating parts on the system board
.
.
.
.
109
Locating internal drives
.
.
.
.
.
.
.
.
.
111
Handling static-sensitive devices
.
.
.
.
.
.
.
111
Installing or replacing hardware
.
.
.
.
.
.
.
.
112
Removing the computer cover
.
.
.
.
.
.
.
112
Removing and reinstalling the front bezel
.
.
113
Accessing the system board components and
drives
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
114
Installing or replacing a PCI card
.
.
.
.
.
.
116
Installing or replacing a memory module .
.
.
118
Replacing the battery
.
.
.
.
.
.
.
.
.
.
119
Replacing the hard disk drive
.
.
.
.
.
.
.
120
Replacing the optical drive
.
.
.
.
.
.
.
.
123
Replacing the power supply assembly
.
.
.
126
Replacing the heat sink and fan assembly .
.
130
Replacing the microprocessor
.
.
.
.
.
.
.
133
Replacing the system board
.
.
.
.
.
.
.
136
Replacing the system fan assembly
.
.
.
.
139
Replacing the front audio and USB
assembly
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
140
Completing the parts replacement
.
.
.
.
.
141
Chapter 10. FRU lists
........
143
Overall: 1852, 1853, 1855, 3247, and 3248
.
.
.
143
Mechanical FRUs
.
.
.
.
.
.
.
.
.
.
.
.
.
149
Keyboard and Mouse
.
.
.
.
.
.
.
.
.
.
.
.
152
Adapters and miscellaneous FRUs
.
.
.
.
.
.
.
177
Power Cords
.
.
.
.
.
.
.
.
.
.
.
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.
.
178
Recovery discs
.
.
.
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.
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.
.
.
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.
.
183
Windows 7 Starter Recovery CD
.
.
.
.
.
.
183
Windows 7 Home Basic 32 Recovery CD
.
.
184
Windows 7 Home Premium 32 Recovery
CD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
185
Windows 7 Home Premium 64 Recovery
CD
.
.
.
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.
.
.
.
.
.
.
.
.
.
.
.
.
186
Windows 7 Professional 32 Recovery CD
.
.
189
Windows 7 Professional 64 Recovery CD
.
.
190
Windows XP Professional 32 Recovery CD .
.
192
Windows XP Professional Generic 32
Recovery CD
.
.
.
.
.
.
.
.
.
.
.
.
.
192
Overall: MT 1857, 1893, 1895, 3250, and 3253 .
.
195
Mechanical FRUs
.
.
.
.
.
.
.
.
.
.
.
.
.
202
Keyboard and Mouse
.
.
.
.
.
.
.
.
.
.
.
.
205
Adapters and miscellaneous FRUs
.
.
.
.
.
.
.
230
Power Cords
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
230
Recovery discs
.
.
.
.
.
.
.
.
.
.
.
.
.
.
235
Windows 7 Starter Recovery CD
.
.
.
.
.
.
235
Windows 7 Home Basic 32 Recovery CD
.
.
236
Windows 7 Home Premium 32 Recovery
CD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
237
Windows 7 Home Premium 64 Recovery
CD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
238
Windows 7 Professional 32 SP 1 Recovery
CD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
241
Windows 7 Professional 64 SP 1 Recovery
CD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
242
Windows XP Professional 32 Recovery CD .
.
244
Windows XP Professional Generic Recovery
CD
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
244
Chapter 11. Additional service
information
.............
249
Security features
.
.
.
.
.
.
.
.
.
.
.
.
.
.
249
Hardware-controlled passwords
.
.
.
.
.
.
249
Operating system password
.
.
.
.
.
.
.
249
Vital Product Data
.
.
.
.
.
.
.
.
.
.
.
249
BIOS levels
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
249
Updating (flashing) the BIOS from a disc
.
.
.
.
249
Updating (flashing) the BIOS from your operating
system
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
250
Recovering from a POST/BIOS update failure
.
.
250
Power management
.
.
.
.
.
.
.
.
.
.
.
.
251
Advanced Configuration and Power Interface
(ACPI) BIOS
.
.
.
.
.
.
.
.
.
.
.
.
.
.
251
Automatic Power-On features
.
.
.
.
.
.
.
251
Appendix A. Notices
.........
253
Television output notice
.
.
.
.
.
.
.
.
.
.
.
254
European conformance CE mark
.
.
.
.
.
.
.
254
Trademarks
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
254
Index
.................
255
ii
ThinkCentre Hardware Maintenance Manual