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3 Remove all memory modules by following the directions
in “Installing memory” on page 38.
4 Disconnect all the power and data cables from the
system board, noting their locations and orientation.
(You will reconnect the cables after you install the new
board.)
5 Remove the four screws that secure the power supply to
your computer, then slide it out of your computer.
6 Remove the eight system board screws.
7 Lift the system board up and out of the case.
8 Align the new system board on the screw holes in the
case, then secure it into the case with the screws.
9 If your replacement system board does not include a
processor remove the processor from the old system
board by following the directions in “Replacing the heat
sink and processor” on page 47, then install it and the
heat sink into the new system board by following the
directions in the same procedure.
10 Slide the power supply back into the case, then install the
four screws to secure the power supply to the case.
Tip
You can label each cable with tape to make it easier to re-connect
them later.
Screws
Screws
8513152.book Page 53 Wednesday, May 14, 2008 4:57 PM