Lenovo ThinkCentre M82 Hardware Maintenance Manual page 5

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