Lenovo 2119 Maintenance Manual page 5

Completing the parts replacement . . . . .
Chapter 11. Replacing FRUs (machine
types: 2119, 2121, 3229, 3234, 3235,
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. . . . . . . . .
© Copyright Lenovo 2012
210 Replacing the internal speaker. . . . . . .
Replacing the keyboard or mouse . . . . .
Completing the parts replacement . . . . .
Chapter 12. Additional service
213
information . . . . . . . . . . . . .
213
Security features . . . . . . . . . . . . . .
213
Hardware-controlled passwords . . . . . .
213
Operating system password . . . . . . .
Vital Product Data . . . . . . . . . . .
215
BIOS levels . . . . . . . . . . . . . . . .
217
Updating (flashing) the BIOS from a disc . . . .
219
Updating (flashing) the BIOS from your operating
221
system . . . . . . . . . . . . . . . . . .
226
Recovering from a POST/BIOS update failure . .
232
Power management
233
Advanced Configuration and Power Interface
(ACPI) BIOS . . . . . . . . . . . . . .
235
Automatic Power-On features . . . . . . .
237
239
Appendix A. Notices . . . . . . . . .
242
Television output notice . . . . . . . . . . .
244
European conformance CE mark . . . . . . .
247
Trademarks . . . . . . . . . . . . . . . .
251
252
Index. . . . . . . . . . . . . . . . .
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