Upgrading and Servicing Guide

Removing and
Replacing a Power
Supply
Computer features may vary by model.
15 - 20 minutes
Before you begin
Observe the following requirements before removing
and replacing the power supply.
WARNING! Never open the cover with the power
applied. You might damage your computer or be
injured by the spinning the fan blades.
WARNING! Avoid touching sharp edges inside
the computer.
WARNING! Keep your hands away from the
moving fan.
WARNING! Keep fingers and tools clear of the
fan when the power is applied.
CAUTION: Static electricity can damage the
electronic components inside the computer. Discharge
static electricity by touching the metal cage of the
computer before touching any internal parts or
electronic components.
Tools Needed
●
Flathead/T15 Torx screwdriver
Small screws are easily lost. Remove screws over a
surface that enables you to retrieve them if they fall.
Removing a power supply
1. Remove any media or storage devices such as
CDs, DVDs, and USB.
2. Close all programs, and then shut down your
operating system.
3. Unplug the computer by disconnecting the
power cord and all attached cables from the
back of the computer.
4. Using a flathead or Torx screwdriver, loosen the
screw on the back panel that secures the panel
to the computer.
24 Upgrading and Servicing Guide Features may vary by model.