Lenovo ThinkCentre M72e Hardware Maintenance Manual page 4

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 . .
Installing or removing two rear WiFi
antennas . . . . . . . . . . . . . . .
Replacing the system fan. . . . . . . . .
Replacing the internal speaker. . . . . . .
Replacing the keyboard or mouse . . . . .
Completing the parts replacement . . . . .
Chapter 10. Additional service
information . . . . . . . . . . . . .
Security features . . . . . . . . . . . . . .
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ThinkCentre Hardware Maintenance Manual
93 Hardware-controlled passwords . . . . . .
95 Operating system password . . . . . . .
97 Vital Product Data . . . . . . . . . . .
99 BIOS levels . . . . . . . . . . . . . . . .
102 Updating (flashing) the BIOS from a disc . . . .
104 Updating (flashing) the BIOS from your operating
system . . . . . . . . . . . . . . . . . .
107
Recovering from a POST/BIOS update failure . .
111
Power management
112
Advanced Configuration and Power Interface
114
(ACPI) BIOS . . . . . . . . . . . . . .
Automatic Power-On features . . . . . . .
115
117
Appendix A. Notices . . . . . . . . .
120
Television output notice . . . . . . . . . . .
122
European conformance CE mark . . . . . . .
123
Trademarks . . . . . . . . . . . . . . . .
Index. . . . . . . . . . . . . . . . .
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