Apple IMAC G5 17 INCH Installation Instructions



iMac G5

Power Supply, 17-inch

Replacement Instructions

Follow the instructions in this sheet carefully. Failure to follow these instructions could
damage your equipment and void its warranty.

Note:

Online instructions are available at http://www.apple.com/support/doityourself/.

Tools Required

• Use the screwdriver provided, or a Phillips #2 screwdriver, preferably with a
magnetized tip

• Flat-blade screwdriver

• Screw tray or equivalent to hold the screws

Part Location

033-2498 Rev. C

Important Things to Know

Note: These instructions cover the iMac G5 (17-inch) models. The models may look
slightly different from one shown in the illustration; however, the following
procedure applies to both models.

1. The replacement power supply has an ambient light sensor attached with two plastic

rivets. If your computer doesn’t have an ambient light sensor (see next step), remove
the ambient light sensor from the replacement power supply.

2. How do you tell if you have an iMac G5 with the ambient light sensor? Look at the

picture below. Along the bottom of the display bezel, next to the middle case screw is
a small bump protruding from the case. This is the ambient light sensor.

.

3. All customer removable screws are brass colored

they are brass colored, or you will void your warranty.

4. Ground yourself when working on the computer. The procedure will show you how to

ground yourself.

5. Do not pull on individual wires when disconnecting a part; pull on the connector.

Do not remove screws unless

6. A magnetized “L”-shaped Phillips screwdriver is included with the replacement part.

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iMac G5 Power Supply, 17-inch

Opening the Computer

1. Turn your computer off by choosing Shut down from the Apple (K) menu.

2. Disconnect all cables, and unplug the power cord from your computer.

3. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of the

computer and slowly lay the computer face down as shown.

iMac G5 Power Supply, 17-inch -

3

4. Locate the three case screws circled below. Lift the metal foot to locate the middle

case screw.
assembly and cannot be removed.

Using the tool provided, or a Phillips #2 screwdriver, loosen the three captive screws.
Turn the screws to the left until they stop turning.

stop turning

Note:

These screws are captive; they are part of the display/bezel

Don’t force the screws once they

.

5. Holding the foot, tilt the back cover up and lift it off the computer.

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iMac G5 Power Supply, 17-inch

Removing the Power Supply

1. Ground yourself. Touch the metal surface (as shown below) on the inside of the

computer to discharge any static electricity.

Warning: Always discharge static electricity before you touch any parts or
install any components inside the computer. To avoid generating static
electricity, do not walk around the room until you have finished installing the
part and closed the computer

.

iMac G5 Power Supply, 17-inch -

5

2. Locate the power supply in the picture below.

3. Loosen the two outer power supply screws by turning them to the left.

screws are captive; they cannot be removed.

Note:

These

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iMac G5 Power Supply, 17-inch