Replacing the power supply
off your computer, then unplug the power cord and modem cable before opening
the case.
To replace the power supply:
1
2
3
4
58
CHAPTER 5: Upgrading Your Computer
Tools
You need a Phillips screwdriver to replace the power supply.
Warning
To avoid exposure to dangerous electrical voltages and moving parts, turn
Follow the instructions in
discharge" on page
Remove the two side panels by following the instructions
in
"Removing the left side panel" on page 45
"Removing the right side panel" on page
that you unplug the computer's external power cable.
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.)
Remove the four Phillips screws that secure the power
supply to the case.
"Preventing static electricity
44.
Phillips screws
Phillips screws
and
46. Make sure