Lenovo ThinkCentre M92 Hardware Maintenance Manual (HMM) (May 2012) - ThinkCen - Page 5
and, Additional service, information, Appendix A. Notices, Index
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3236, 3237, 3238, 3240, 3242, and 3243 213 Handling static-sensitive devices 213 Installing or replacing hardware 213 Installing or removing the vertical stand . . . 213 Installing or removing the VESA mount bracket 215 Removing the computer cover 217 Installing or replacing a memory module . . . 219 Replacing the optical drive 221 Replacing the secondary hard disk drive. . . 226 Replacing the battery 232 Replacing the ac power adapter 233 Replacing the ac power adapter bracket. . . 235 Replacing the power switch board . . . . . 237 Replacing the heat sink 239 Replacing the microprocessor 242 Replacing the system board 244 Replacing the hard disk drive bracket . . . . 247 Replacing the hard disk drive 251 Replacing the WiFi card module 252 Installing or removing the rear WiFi antenna . . 254 Replacing the system fan 257 Replacing the internal speaker 259 Replacing the keyboard or mouse . . . . . 261 Completing the parts replacement . . . . . 262 Chapter 12. Additional service information 265 Security features 265 Hardware-controlled passwords 265 Operating system password 265 Vital Product Data 265 BIOS levels 265 Updating (flashing) the BIOS from a disc . . . . 265 Updating (flashing) the BIOS from your operating system 266 Recovering from a POST/BIOS update failure . . 266 Power management 267 Advanced Configuration and Power Interface (ACPI) BIOS 267 Automatic Power-On features 267 Appendix A. Notices 269 Television output notice 270 European conformance CE mark 270 Trademarks 270 Index 271 © Copyright Lenovo 2012 iii