Lenovo ThinkCentre M55e - Manual (Page 5)

Contents
Overview . . . . . . . . . . . . . . v
Safety information . . . . . . . . . . . . v
Additional information resources . . . . . . . v
Tools required . . . . . . . . . . . . . vi
Handling static-sensitive devices . . . . . . . vi
Chapter 1. Locations . . . . . . . . . 1
Locating components . . . . . . . . . . . 1
Locating controls and connectors on the front of your
computer . . . . . . . . . . . . . . . 2
Locating connectors on the rear of your computer . . 3
Identifying parts on the system board . . . . . . 4
Chapter 2. Replacing hardware . . . . . 5
Opening the cover . . . . . . . . . . . . 5
Replacing the power supply assembly . . . . . . 6
Replacing the system board . . . . . . . . . 8
Replacing the heat sink . . . . . . . . . . 14
Replacing a hard disk drive . . . . . . . . . 15
Replacing an optical drive . . . . . . . . . 18
Replacing the diskette drive . . . . . . . . . 20
Replacing a memory module . . . . . . . . 21
Replacing a PCI adapter . . . . . . . . . . 23
Replacing the fan assembly . . . . . . . . . 25
Replacing the internal speaker . . . . . . . . 27
Replacing the keyboard . . . . . . . . . . 29
Replacing the mouse . . . . . . . . . . . 29
Completing the parts replacement . . . . . . . 30
Updating (flashing) BIOS from a diskette or
CD-ROM . . . . . . . . . . . . . . . 31
Appendix. Notices . . . . . . . . . . 33
Television output notice . . . . . . . . . . 34
Trademarks . . . . . . . . . . . . . . 34
© Lenovo 2005, 2007. Portions © IBM Corp. 2005. iii