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64 Adding Parts
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CAUTION: Before you begin any of the procedures in this section,
follow the safety instructions on page 7.
CAUTION: To guard against electrical shock, always unplug your
computer from the electrical outlet before opening the cover.
NOTICE: Be careful when opening the computer cover to ensure that you do
not inadvertently disconnect cables from the system board.
hard drive*
card cage
power supply
heat sink and
blower assembly
system board
floppy drive
CD or DVD drive
* Your computer’s hard drive may or may not have a plastic shroud cover. Operating the
computer without a hard-drive shroud does not affect its performance.