Introduction

Is your iMac always mute? Replace the speakers.

Orient the iMac face-side down on a table with the bottom edge facing yourself.
  • Orient the iMac face-side down on a table with the bottom edge facing yourself.

  • Remove the two Phillips screws securing the access door to the bottom grille of your iMac.

  • The screws are captive in the access door.

  • Before beginning the repair, unplug the computer and press and hold the power switch for 20-30 seconds, to discharge internal capacitors.

As you remove the screws during these steps, place them on a towel or a piece of cardboard. With a Sharpie label a piece of masking tape with the step number from which they were taken from. Then place the removed screws under the tape.

This ongoing step will aid in you having control on your reassembly without searching for and identifying the size and length all the screws that you are about to remove.

R51801 - Reply

Remove the access door.
  • Remove the access door.

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Remove the three T8 Torx screws securing the front bezel to the rear case along the lower edge of the iMac.
  • Remove the three T8 Torx screws securing the front bezel to the rear case along the lower edge of the iMac.

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Turn the computer over. Use your thumbs to press both RAM arms in past the front bezel for enough clearance to lift it off the rear case.
  • Turn the computer over.

  • Use your thumbs to press both RAM arms in past the front bezel for enough clearance to lift it off the rear case.

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While holding the RAM arms in with your thumbs, lift the lower edge of the front bezel enough to clear the rear case.
  • While holding the RAM arms in with your thumbs, lift the lower edge of the front bezel enough to clear the rear case.

you might have more luck by gently leveraging the stand up

Joseph A Borg - Reply

Re-orient your iMac so it sits upright on the stand. Insert a plastic card up into the corner of the air vent slot near the top of the rear case. Push the card toward the top of the iMac to release the front bezel latch.
  • Re-orient your iMac so it sits upright on the stand.

  • Insert a plastic card up into the corner of the air vent slot near the top of the rear case.

  • Push the card toward the top of the iMac to release the front bezel latch.

  • Pull the front bezel away from the rear case.

  • Repeat this process for the other side of the front bezel.

  • It may be necessary to apply several layers of duct tape to the top of the access card to aid in releasing the latches.

  • If the bezel refuses to release, try pressing the lower edge back onto the rear case and repeat this opening process.

  • Alternatively, you can use a strong magnet by holding it to the front top left/right corner of the display. You will hear a snapping sound when the hatch is released.

If it still does not release try pressing in and out (like an accordion) with the card in one hand and the screen bezel in the other until it pops loose.

rick - Reply

Lay your iMac stand-side down on a table.
  • Lay your iMac stand-side down on a table.

  • Lift the front bezel from its lower edge and rotate it away from the rest of your iMac, minding the RAM arms that may get caught.

  • Lay the front bezel above the rest of the iMac.

My A1145 seems to be attached, somehow, on the top via some silver looking strips. It does not seems to want to come off. Is that the wireless?

Chris Arnold - Reply

NO they are clamps on each of the top inside corners of the outside bezel (frame ) if you use a Heavy Spudger Tool & pry not too hard just slightly between the bezel (side) and the display (side) this should pop each off usually by just popping one or the other sides the second will automatically pop as well.

Mark Meininger -

If necessary, remove the piece of kapton tape wrapped around the microphone and camera connectors.
  • If necessary, remove the piece of kapton tape wrapped around the microphone and camera connectors.

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Disconnect both the camera and microphone cables. Disconnect both the camera and microphone cables.
  • Disconnect both the camera and microphone cables.

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Peel the lower EMI shield off the lower edge of the iMac and off the two vertical 4" sections on either side of the iMac.
  • Peel the lower EMI shield off the lower edge of the iMac and off the two vertical 4" sections on either side of the iMac.

  • It is not necessary to peel the lower EMI shield off the display.

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Tape the lower EMI shield up against the face of the display to keep it out of the way while you work.
  • Tape the lower EMI shield up against the face of the display to keep it out of the way while you work.

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Disconnect the IR board cable by pulling its connector toward the left edge of your iMac.
  • Disconnect the IR board cable by pulling its connector toward the left edge of your iMac.

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Remove the two T6 Torx screws securing the IR board to its metal bracket.
  • Remove the two T6 Torx screws securing the IR board to its metal bracket.

  • Hold the IR board as you remove the last screw, as it may fall.

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Remove the IR board from your iMac.
  • Remove the IR board from your iMac.

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Remove the single T10 Torx screw securing the right speaker to the rear case.
  • Remove the single T10 Torx screw securing the right speaker to the rear case.

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Lift the right speaker out of the rear case.
  • Lift the right speaker out of the rear case.

  • The cable between the speaker and its connector is short, so either hold the speaker or allow it to hang from the iMac for the next few steps.

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Remove the two Phillips screws securing the AirPort/Bluetooth board to the logic board.
  • Remove the two Phillips screws securing the AirPort/Bluetooth board to the logic board.

  • On some models, these may be T6 Torx screws.

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Use your finger to lift the AirPort/Bluetooth board from its left edge, disconnecting it from the logic board.
  • Use your finger to lift the AirPort/Bluetooth board from its left edge, disconnecting it from the logic board.

  • Lift the board from its left edge only.

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Use the flat end of a spudger to pry both antenna connectors up off the AirPort/Bluetooth board. Use the flat end of a spudger to pry both antenna connectors up off the AirPort/Bluetooth board.
  • Use the flat end of a spudger to pry both antenna connectors up off the AirPort/Bluetooth board.

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Use the tip of a spudger to push the ears on either side of the speaker connector toward the top edge of the iMac. It will be necessary to work from alternating sides to "walk" the connector out of its socket.
  • Use the tip of a spudger to push the ears on either side of the speaker connector toward the top edge of the iMac.

  • It will be necessary to work from alternating sides to "walk" the connector out of its socket.

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Remove the two T6 Torx screws securing the IR board bracket to the aluminum heat sink on the logic board. Remove the IR board bracket.
  • Remove the two T6 Torx screws securing the IR board bracket to the aluminum heat sink on the logic board.

  • Remove the IR board bracket.

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De-route the speaker cable along the face of the logic board.
  • De-route the speaker cable along the face of the logic board.

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Remove the single T10 Torx screw securing the left speaker to the rear case.
  • Remove the single T10 Torx screw securing the left speaker to the rear case.

  • The screw for the left speaker is coarse-threaded.

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Lift the left speaker out of the rear case.
  • Lift the left speaker out of the rear case.

  • the left speaker cable may be routed under the hard drive fan cable and the power button cable. If so, disconnect both cables by pulling their connectors away from the face of the logic board.

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Conclusion

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

One other person completed this guide.

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