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Chapter 3
Upgrading and Maintaining
Components
This chapter describes upgrade and maintenance procedures.
! Before opening the system unit, save and close all open files, exit all open
applications, turn off the power to all attached peripheral devices, shut
down the computer, and unplug the power cord.
✍ System configuration may vary, depending on the model purchased. Your computer may
not include all of the hardware features shown in the illustrations of this section.