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iMac G5 20" Model A1076 Fan Duct Replacement

Introduction

The fan duct directs air across the heat sink on the logic board.

What you need

  1. iMac G5 20" Model A1076 Fan Duct Replacement, Rear Panel: step 1, image 1 of 1

    • Lay the iMac display-side down on a flat surface (putting a cloth under the screen to protect it from bumps).

    • Loosen the three Phillips screws securing the rear panel to the iMac.

    • These screws are captive in the iMac. The center screw will stop turning after about 3.5 turns and the outer screws will stop turning after about 5.5 turns. Do not try to remove these screws from your iMac.

    Edit

  2. iMac G5 20" Model A1076 Fan Duct Replacement: step 2, image 1 of 2 iMac G5 20" Model A1076 Fan Duct Replacement: step 2, image 2 of 2

    • Lift the rear panel slightly near the bottom of the iMac.

    • Pull the rear panel toward yourself and remove it from the iMac.

    Edit

  4. iMac G5 20" Model A1076 Fan Duct Replacement, Fan Duct: step 3, image 1 of 1

    • Remove the following two screws:

    • One 11 mm T10 Torx.

    • One 10.6 mm T8 Torx.

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  5. iMac G5 20" Model A1076 Fan Duct Replacement: step 4, image 1 of 1

    • Lift the fan duct out of the chassis.

    Edit
Conclusion

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

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