Difficulty

Difficult

Steps

14

Time Required

                          45 minutes - 1 hour

Sections

3

  • Opening the case
  • 3 steps
  • Video Adapter
  • 4 steps
  • Central Processing Unit
  • 7 steps

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Introduction

What you need

Step 1

              Opening the case
  • The handle to open your computer is located on top of the right side panel.

The handle to open your computer is located on top of the right side panel.

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Step 2

  • Grab the circular handle and pull outward.

Grab the circular handle and pull outward.

Step 3

  • Your computer is now open and ready for repair.

Your computer is now open and ready for repair.

Step 4

              Video Adapter
  • This is your Power Mac G4’s video adapter.

This is your Power Mac G4’s video adapter.

Step 5

  • Start by removing the screw holding the card to the chassis as shown.

Start by removing the screw holding the card to the chassis as shown.

Step 6

  • Before lifting the card out, this small plastic tab needs to be pulled back there by releasing it entirely.

Before lifting the card out, this small plastic tab needs to be pulled back there by releasing it entirely.

Step 7

  • With the tab and screw removed, lift the card straight out.
  • When putting the card back in, take care to apply even pressure across the top with your thumbs. This will avoid damaging the card.

With the tab and screw removed, lift the card straight out.

When putting the card back in, take care to apply even pressure across the top with your thumbs. This will avoid damaging the card.

Step 8

              Central Processing Unit
  • First you want to remove the fan. Remove the two screws on the back of the computer in the upper left hand corner.

First you want to remove the fan. Remove the two screws on the back of the computer in the upper left hand corner.

Step 9

  • Remove the fan unit by pulling straight up and out.
  • Be carful not to rip out the cord still attached to the motherboard. Remove it gently.

Remove the fan unit by pulling straight up and out.

Be carful not to rip out the cord still attached to the motherboard. Remove it gently.

Step 10

  • You need detach the heat sink from the CPU. Locate the four clamps holding it down, two on each side.
  • Taking off the clamps can be difficult. Use a screwdriver to push down on the top of the clip. Then insert a spudger below the heat sink to pull it away from the board, releasing the heat sink.

You need detach the heat sink from the CPU. Locate the four clamps holding it down, two on each side.

Taking off the clamps can be difficult. Use a screwdriver to push down on the top of the clip. Then insert a spudger below the heat sink to pull it away from the board, releasing the heat sink.

Step 11

  • Pull the heat sink up and off of the CPU.

Pull the heat sink up and off of the CPU.

Step 12

  • Remove the four screws holding the CPU to the motherboard.

Remove the four screws holding the CPU to the motherboard.

Step 13

  • Now you can remove the CPU by pulling it straight up from the motherboard.
  • Be very careful when you detach the CPU. There is a connector that has hundreds of little prongs. You must not bend or break any of them! Be extremely careful.

Now you can remove the CPU by pulling it straight up from the motherboard.

Be very careful when you detach the CPU. There is a connector that has hundreds of little prongs. You must not bend or break any of them! Be extremely careful.

Step 14

  • You can now replace the CPU.

You can now replace the CPU.

To reassemble your device, follow these instructions in reverse order.

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                    Ryan Bylard

Member since: 01/20/2010

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                       Cal Poly, Team 14-41, Regan Winter 2010                        

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                                            17 Guides authored

analogcd - Aug 30, 2010

Reply

Removing graphics (video) card is not necessary. Also, removing the clips which retain heat-sink can be accomplished by using a flat-blade (-) screwdriver to carefully pry them from the finned aluminum assembly. Other than these two suggestions, guide is succinct and accurate.