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CHAPTER5: Upgrading Your Computer
64
Replacing the power supply
To replace the power supply:
1 Remove the side panel by following the instructions in
“Removing the side panel” on page 47. Make sure that
you disconnect the power cable.
2 Disconnect the power supply cables from all
components (such as hard drives, optical and diskette
drives, and the system board), noting their locations and
orientation. (You will reconnect the cables after you
install the new power supply.)
3 Remove the three Phillips screws that secure the power
supply to the power supply bracket.
4 Use a Torx (“star”) T15 driver to remove the two Torx
screws that secure the power supply bracket to the
computer, then slide the bracket down and off the
computer.
5 Slide the power supply and cables out the back of the
computer.
6 Insert the new power supply and cables into the case
through the opening in the back of the computer.
7 Slide the power supply bracket into place, then secure it
into place using the two Torx screws you removed
previously.
8 Secure the power supply to the power supply bracket
using the three Phillips screws you removed previously.
Tools
You need a Phillips screwdriver and a Torx
®
or “star” driver (sizeT15) to
replace the power supply. A slotted (flat) screwdriver can be used in place of the
Torx driver, but it must be the 7/64" (3mm) size, and you must be very careful
while applying torque so that the screw head does not get stripped.
Phillips screws
Torx
screws
8513162.book Page 64 Tuesday, May 20, 2008 4:09 PM