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Installing iMac G5 20" Model A1076 Fan Duct

Introduction

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

What you need

  1. Installing iMac G5 20" Model A1076 Fan Duct, 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.

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

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

    • Remove the following two screws:

    • One 11 mm T10 Torx.

    • One 10.6 mm T8 Torx.

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

    • Lift the fan duct out of the chassis.

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