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Introducción

If your iMac was configured with a solid state drive or Fusion Drive, it includes a blade SSD on the back of the logic board. Use this guide to access and remove the blade SSD.

Before beginning any work on your iMac: Unplug the computer and press and hold the power button for ten seconds to discharge the power supply's capacitors.

Be very careful not to touch the capacitor leads or any exposed solder joints on the back of the power supply.

  1. Starting on the left of the display, near the power button, insert the iMac Opening Tool into the gap between the glass panel and the rear case. The hub on the iMac Opening Tool will keep you from pushing the wheel in too far. If using a different tool, insert it no more than 3/8" (9.5 mm) into the display. You risk severing antenna cables and causing serious damage if you insert the tool too far. The hub on the iMac Opening Tool will keep you from pushing the wheel in too far. If using a different tool, insert it no more than 3/8" (9.5 mm) into the display. You risk severing antenna cables and causing serious damage if you insert the tool too far.
    • Starting on the left of the display, near the power button, insert the iMac Opening Tool into the gap between the glass panel and the rear case.

    • The hub on the iMac Opening Tool will keep you from pushing the wheel in too far. If using a different tool, insert it no more than 3/8" (9.5 mm) into the display. You risk severing antenna cables and causing serious damage if you insert the tool too far.

  2. Use the tool like a pizza cutter—roll it along through the gap, and it will cut the foam adhesive through the center. Be sure to always push with the handle behind the cutting wheel. If you pull, the wheel might get pulled out of the handle. Run the tool up along the left side of the display.
    • Use the tool like a pizza cutter—roll it along through the gap, and it will cut the foam adhesive through the center.

    • Be sure to always push with the handle behind the cutting wheel. If you pull, the wheel might get pulled out of the handle.

    • Run the tool up along the left side of the display.

  3. Continue wheeling the tool up around the top left corner. Continue wheeling the tool up around the top left corner. Continue wheeling the tool up around the top left corner.
    • Continue wheeling the tool up around the top left corner.

  4. Cut the adhesive along the top left of the display. Cut the adhesive along the top left of the display.
    • Cut the adhesive along the top left of the display.

  5. Continue along the top of the display. You may want to run the tool back and forth through what you've already cut a few times, to ensure you get as much of the adhesive separated as possible.
    • Continue along the top of the display.

    • You may want to run the tool back and forth through what you've already cut a few times, to ensure you get as much of the adhesive separated as possible.

  6. Push the tool around the top right corner of the display. Push the tool around the top right corner of the display. Push the tool around the top right corner of the display.
    • Push the tool around the top right corner of the display.

  7. Wheel the tool down along the right side of the display. Wheel the tool down along the right side of the display.
    • Wheel the tool down along the right side of the display.

  8. Finish pushing the opening tool to the bottom of the right side of the display. At this point, you'll want to run the tool back around the entire display, to ensure you cut as much adhesive as possible.
    • Finish pushing the opening tool to the bottom of the right side of the display.

    • At this point, you'll want to run the tool back around the entire display, to ensure you cut as much adhesive as possible.

  9. While the opening tool did the lion's share of the work, the display will still be slightly adhered to the case. A plastic card will be necessary to free up the last of this adhesive. Set the iMac face-up on a table. Starting from the top right corner of the iMac, insert a plastic card between the display and frame.
    • While the opening tool did the lion's share of the work, the display will still be slightly adhered to the case. A plastic card will be necessary to free up the last of this adhesive.

    • Set the iMac face-up on a table.

    • Starting from the top right corner of the iMac, insert a plastic card between the display and frame.

    • Be careful not to insert it more than 3/8" (9.5 mm), or you may damage internal components.

  10. Gently twist the plastic card to open the space between the display and frame, and cut any remaining adhesive near the corner. Using too much force will crack the glass. Work carefully, and don't try to create a gap any larger than about 1/4" (6 mm).
    • Gently twist the plastic card to open the space between the display and frame, and cut any remaining adhesive near the corner.

    • Using too much force will crack the glass. Work carefully, and don't try to create a gap any larger than about 1/4" (6 mm).

  11. Be sure to stop cutting before the iSight camera in this step, or you may damage it. Slide the card toward the center of the display, to cut any remaining adhesive. Slide the card toward the center of the display, to cut any remaining adhesive.
    • Be sure to stop cutting before the iSight camera in this step, or you may damage it.

    • Slide the card toward the center of the display, to cut any remaining adhesive.

  12. Put the card into the corner again and let it stay there to keep the adhesive from resettling. Put the card into the corner again and let it stay there to keep the adhesive from resettling.
    • Put the card into the corner again and let it stay there to keep the adhesive from resettling.

  13. Insert a second card into the gap between the display and frame in the top left corner. Insert a second card into the gap between the display and frame in the top left corner. Insert a second card into the gap between the display and frame in the top left corner.
    • Insert a second card into the gap between the display and frame in the top left corner.

  14. Gently twist the card, slightly increasing the space between the display and frame. As with the other side, move slowly to allow the adhesive to break, and be careful not to over-stress the display glass.
    • Gently twist the card, slightly increasing the space between the display and frame.

    • As with the other side, move slowly to allow the adhesive to break, and be careful not to over-stress the display glass.

  15. Slide the plastic card toward the center, again stopping just before the iSight camera. Slide the plastic card toward the center, again stopping just before the iSight camera. Slide the plastic card toward the center, again stopping just before the iSight camera.
    • Slide the plastic card toward the center, again stopping just before the iSight camera.

  16. Insert the card back into the top left corner. Insert the card back into the top left corner.
    • Insert the card back into the top left corner.

  17. With the cards inserted as shown near the corners, gently twist the cards to increase the gap between display and case. If there are any sections that seem to stick and won't separate, stop twisting and use one of the cards to cut the adhesive in the problem area. Begin to lift the top of the display up from the frame.
    • With the cards inserted as shown near the corners, gently twist the cards to increase the gap between display and case.

    • If there are any sections that seem to stick and won't separate, stop twisting and use one of the cards to cut the adhesive in the problem area.

    • Begin to lift the top of the display up from the frame.

    • Only lift the display a few inches—it is still attached to the iMac by data and power cables.

  18. While holding the display up with one hand, use the other to unplug the display power cable. Lift the display up enough to have easy access to the connections, but not so much that you stretch the cables and stress their connections (about 8").
    • While holding the display up with one hand, use the other to unplug the display power cable.

    • Lift the display up enough to have easy access to the connections, but not so much that you stretch the cables and stress their connections (about 8").

  19. Flip up the metal retaining bracket on the display data cable. Disconnect the display data cable. This is a delicate connection that can easily be broken. Be sure to pull the display data cable connector straight out of its socket, toward the top of the iMac.
    • Flip up the metal retaining bracket on the display data cable.

    • Disconnect the display data cable.

    • This is a delicate connection that can easily be broken. Be sure to pull the display data cable connector straight out of its socket, toward the top of the iMac.

  20. Lift the display up to a near-vertical position. At this point there is still a strip of adhesive along the bottom of the display that will hold the display to the frame like a hinge. You can loosen this adhesive by working the display up and down a few times.
    • Lift the display up to a near-vertical position.

    • At this point there is still a strip of adhesive along the bottom of the display that will hold the display to the frame like a hinge. You can loosen this adhesive by working the display up and down a few times.

  21. Be very careful not to touch the capacitor leads or any exposed solder joints on the back of the power supply (boxed in red). Grasp the small tab at the end of one of the bottom edge display adhesive strips and pull the adhesive toward the top of the iMac to remove it. Repeat this step with the other adhesive strip and remove it.
    • Be very careful not to touch the capacitor leads or any exposed solder joints on the back of the power supply (boxed in red).

    • Grasp the small tab at the end of one of the bottom edge display adhesive strips and pull the adhesive toward the top of the iMac to remove it.

    • Repeat this step with the other adhesive strip and remove it.

    • If either adhesive strip breaks before it's removed, use a plastic card to slice through the remaining adhesive.

  22. Be very careful handling the display—it's big, heavy, and made of glass. The display has fragile edges. Avoid lifting the display by the corners. Lift the display up from the frame and remove it from the iMac. Lay the display face down on a flat, soft surface. It may be necessary to slowly lift from one side, to peel against the remaining adhesive.
    • Be very careful handling the display—it's big, heavy, and made of glass. The display has fragile edges. Avoid lifting the display by the corners.

    • Lift the display up from the frame and remove it from the iMac. Lay the display face down on a flat, soft surface.

    • It may be necessary to slowly lift from one side, to peel against the remaining adhesive.

    • After the adhesive is cut, it cannot be used to re-seal the display in place. Follow this guide when your repair is complete to replace the adhesive strips that secure the display to the rear enclosure.

  23. Use a Phillips screwdriver to remove the nine 3.2 mm screws securing the support bracket. You may need to peel up the display adhesive lining the bottom edge of the iMac enclosure to access the screws.
    • Use a Phillips screwdriver to remove the nine 3.2 mm screws securing the support bracket.

    • You may need to peel up the display adhesive lining the bottom edge of the iMac enclosure to access the screws.

  24. Remove the lower support bracket (a.k.a. "chin strap") from the iMac enclosure.
    • Remove the lower support bracket (a.k.a. "chin strap") from the iMac enclosure.

  25. Remove two 10 mm T10 screws.
    • Remove two 10 mm T10 screws.

  26. Unplug the left speaker cable by pulling it straight up out of its socket on the logic board. De-route the cable from the gap between the hard drive and logic board. If the gap between the hard drive and logic board is too narrow for the speaker cable, disconnect it and leave the cable in place.
    • Unplug the left speaker cable by pulling it straight up out of its socket on the logic board.

    • De-route the cable from the gap between the hard drive and logic board.

    • If the gap between the hard drive and logic board is too narrow for the speaker cable, disconnect it and leave the cable in place.

  27. Be careful not to touch any solder joints on the back of the power supply. Capacitors may be charged enough to give you a dangerous shock. Use a spudger to disconnect the power button connector from its socket on the logic board. Use a spudger to disconnect the power button connector from its socket on the logic board.
    • Be careful not to touch any solder joints on the back of the power supply. Capacitors may be charged enough to give you a dangerous shock.

    • Use a spudger to disconnect the power button connector from its socket on the logic board.

  28. Lift the left speaker straight up, until the power button cable is exposed (about 0.5 inches). Lift the left speaker straight up, until the power button cable is exposed (about 0.5 inches).
    • Lift the left speaker straight up, until the power button cable is exposed (about 0.5 inches).

  29. Gently de-route the power button cable from its groove in the left speaker. Gently de-route the power button cable from its groove in the left speaker. Gently de-route the power button cable from its groove in the left speaker.
    • Gently de-route the power button cable from its groove in the left speaker.

  30. Lift the left speaker straight up and remove it from the iMac. If the gap between the hard drive and logic board was too narrow to free the speaker cable earlier, gently pull it free as you remove the speaker. Push from the connector end as you pull from the speaker end to thread the cable under the hard drive's right bracket.
    • Lift the left speaker straight up and remove it from the iMac.

    • If the gap between the hard drive and logic board was too narrow to free the speaker cable earlier, gently pull it free as you remove the speaker.

    • Push from the connector end as you pull from the speaker end to thread the cable under the hard drive's right bracket.

  31. Pull straight up on the SATA data/power cable to disconnect it from the drive. Pull straight up on the SATA data/power cable to disconnect it from the drive.
    • Pull straight up on the SATA data/power cable to disconnect it from the drive.

  32. Remove two 7.3 mm T8 screws securing the left hard drive bracket to the rear case.
    • Remove two 7.3 mm T8 screws securing the left hard drive bracket to the rear case.

  33. Grab the hard drive and left hard drive bracket together. Tilt the left side up away from the rear case, and slide the assembly to the left. Remove the hard drive and left hard drive bracket from the iMac.
    • Grab the hard drive and left hard drive bracket together.

    • Tilt the left side up away from the rear case, and slide the assembly to the left.

    • Remove the hard drive and left hard drive bracket from the iMac.

  34. Remove the left hard drive bracket. Remove the left hard drive bracket.
    • Remove the left hard drive bracket.

  35. When working on the power supply, be very careful not to touch the capacitor leads or any exposed solder joints on the back of the power supply. Only handle the board by the edges. Disconnect the power supply control cable from the power supply.
    • When working on the power supply, be very careful not to touch the capacitor leads or any exposed solder joints on the back of the power supply. Only handle the board by the edges.

    • Disconnect the power supply control cable from the power supply.

  36. Remove the following four screws securing the power supply to the rear case (size T8 or T10 depending on the exact model):
    • Remove the following four screws securing the power supply to the rear case (size T8 or T10 depending on the exact model):

    • Two 23.7 mm Torx screws

    • Two 7.3 mm Torx screws

  37. Do not attempt to remove the power supply from the case; it is still attached to the logic board by two cables. Move the power supply board towards the left edge of the case and up to free it from the notch in the logic board. Move the power supply board towards the left edge of the case and up to free it from the notch in the logic board.
    • Do not attempt to remove the power supply from the case; it is still attached to the logic board by two cables.

    • Move the power supply board towards the left edge of the case and up to free it from the notch in the logic board.

  38. Depress the tab on the DC power cable connector, then pull it straight out of its socket on the back of the logic board. Depress the tab on the DC power cable connector, then pull it straight out of its socket on the back of the logic board.
    • Depress the tab on the DC power cable connector, then pull it straight out of its socket on the back of the logic board.

  39. Be very careful not to touch the capacitor leads or any exposed solder joints on the back of the power supply. Only handle the board by the edges. Flip the top of the power supply towards you, like opening a mailbox, to reveal the AC inlet cable connector. Disconnect the AC inlet cable connector.
    • Be very careful not to touch the capacitor leads or any exposed solder joints on the back of the power supply. Only handle the board by the edges.

    • Flip the top of the power supply towards you, like opening a mailbox, to reveal the AC inlet cable connector.

    • Disconnect the AC inlet cable connector.

  40. Remove two 9.8 mm T8 screws.
    • Remove two 9.8 mm T8 screws.

  41. Gently rock the right speaker slightly to the right, to allow access to its cable's connection on the logic board. Gently rock the right speaker slightly to the right, to allow access to its cable's connection on the logic board.
    • Gently rock the right speaker slightly to the right, to allow access to its cable's connection on the logic board.

  42. Use a spudger to loosen the right speaker cable's connector from its socket on the logic board. Pull the connector to the right to remove it from its socket. Pull the connector to the right to remove it from its socket.
    • Use a spudger to loosen the right speaker cable's connector from its socket on the logic board.

    • Pull the connector to the right to remove it from its socket.

  43. Lift the speaker straight up and remove it from the iMac. Lift the speaker straight up and remove it from the iMac. Lift the speaker straight up and remove it from the iMac.
    • Lift the speaker straight up and remove it from the iMac.

  44. Use the tip of a spudger to disconnect the fan cable's connector from its socket on the logic board. Use the tip of a spudger to disconnect the fan cable's connector from its socket on the logic board. Use the tip of a spudger to disconnect the fan cable's connector from its socket on the logic board.
    • Use the tip of a spudger to disconnect the fan cable's connector from its socket on the logic board.

  45. Peel the black tape connecting the fan to the exhaust duct back slightly. Leave the tape in place on the exhaust duct—you only need to expose the joint to free the fan.
    • Peel the black tape connecting the fan to the exhaust duct back slightly.

    • Leave the tape in place on the exhaust duct—you only need to expose the joint to free the fan.

  46. Remove three 12.4 mm T10 screws securing the fan to the rear case.
    • Remove three 12.4 mm T10 screws securing the fan to the rear case.

  47. Remove the fan from the iMac. Remove the fan from the iMac.
    • Remove the fan from the iMac.

  48. Use a T5 Torx screwdriver to remove the two 4 mm screws securing the AirPort/Bluetooth antenna cables.
    • Use a T5 Torx screwdriver to remove the two 4 mm screws securing the AirPort/Bluetooth antenna cables.

  49. Use the point of a spudger to disconnect each of the four antenna connectors from the AirPort/Bluetooth card. Note the original positions for each connector when reconnecting the cables. From left to right on the card, the antennas are connected in the following order: Leftmost
    • Use the point of a spudger to disconnect each of the four antenna connectors from the AirPort/Bluetooth card.

    • Note the original positions for each connector when reconnecting the cables. From left to right on the card, the antennas are connected in the following order:

    • Leftmost

    • Top

    • Upper right

    • Lower right

  50. This is a delicate connection that can be easily broken. Flip up the metal retaining bracket on the iSight camera cable. Pull the camera cable connector straight out of its socket, toward the top of the iMac.
    • This is a delicate connection that can be easily broken.

    • Flip up the metal retaining bracket on the iSight camera cable.

    • Pull the camera cable connector straight out of its socket, toward the top of the iMac.

  51. Use the flat end of a spudger to disconnect the headphone jack cable connector from its socket on the logic board. Gently push the cable out of the way. Gently push the cable out of the way.
    • Use the flat end of a spudger to disconnect the headphone jack cable connector from its socket on the logic board.

    • Gently push the cable out of the way.

  52. Use the tip of a spudger to flip open the retaining flap on the microphone ribbon cable ZIF socket. Be sure you are prying up on the hinged retaining flap, not the socket itself. Use tweezers to gently pull the microphone ribbon cable straight out of its socket.
    • Use the tip of a spudger to flip open the retaining flap on the microphone ribbon cable ZIF socket.

    • Be sure you are prying up on the hinged retaining flap, not the socket itself.

    • Use tweezers to gently pull the microphone ribbon cable straight out of its socket.

  53. Remove the following screws securing the logic board: Two 23.7 mm T8 screws
    • Remove the following screws securing the logic board:

    • Two 23.7 mm T8 screws

    • One 20.1 mm T25 spacer screw

    • One 17.6 mm T8 screw

    • One 7.2 mm T8 screw

    • Three 7.1 mm T8 screws

    • One captive T8 screw

    • This screw is beneath a hole in the logic board. If you aren't using an iFixit driver, you may need an extension or a screwdriver with a longer shaft.

  54. Pull the hard drive SATA cable and connector through the right hard drive bracket. Move the cable to the right side of the iMac, out of the way of the exhaust port. Don't attempt to completely remove the cable—it can't be removed just yet, but will get in the way of removing the logic board. Don't attempt to completely remove the cable—it can't be removed just yet, but will get in the way of removing the logic board.
    • Pull the hard drive SATA cable and connector through the right hard drive bracket. Move the cable to the right side of the iMac, out of the way of the exhaust port.

    • Don't attempt to completely remove the cable—it can't be removed just yet, but will get in the way of removing the logic board.

  55. Use a T8 Torx screwdriver to remove the two 5.6 mm screws from the top of the heat sink exhaust duct.
    • Use a T8 Torx screwdriver to remove the two 5.6 mm screws from the top of the heat sink exhaust duct.

  56. When removing and installing the logic board, take care not to damage the delicate microphone ribbon cable at the bottom left of the board. Tilt the logic board slightly forward. Lift the logic board straight up and out of the iMac. Be careful not to snag it on any of the screw posts attached to the inside of the rear case.
    • When removing and installing the logic board, take care not to damage the delicate microphone ribbon cable at the bottom left of the board.

    • Tilt the logic board slightly forward.

    • Lift the logic board straight up and out of the iMac. Be careful not to snag it on any of the screw posts attached to the inside of the rear case.

  57. When reassembling your iMac, be very careful to align the exterior I/O ports correctly. The logic board can sit crooked even when secured with all its screws. You can use a USB flashdrive or ethernet cable to ensure the logic board is seated correctly while you screw it in.
    • When reassembling your iMac, be very careful to align the exterior I/O ports correctly. The logic board can sit crooked even when secured with all its screws.

    • You can use a USB flashdrive or ethernet cable to ensure the logic board is seated correctly while you screw it in.

  58. Pull up on the SATA power cable connector to disconnect it. Unplug the SATA data cable connector by depressing its locking tab and pulling straight up on the connector. Remove the SATA cable from the logic board assembly to get it out of the way and prevent it from being damaged.
    • Pull up on the SATA power cable connector to disconnect it.

    • Unplug the SATA data cable connector by depressing its locking tab and pulling straight up on the connector.

    • Remove the SATA cable from the logic board assembly to get it out of the way and prevent it from being damaged.

  59. Remove the single 5.3 mm T8 screw securing the SSD to the logic board.
    • Remove the single 5.3 mm T8 screw securing the SSD to the logic board.

  60. To avoid damaging its socket, do not lift the end of the SSD above about 15˚. Lift the end of the SSD up slightly and pull it straight out of its socket on the logic board. When reinstalling the SSD, be sure it is properly seated before reinstalling its retaining screw.
    • To avoid damaging its socket, do not lift the end of the SSD above about 15˚.

    • Lift the end of the SSD up slightly and pull it straight out of its socket on the logic board.

    • When reinstalling the SSD, be sure it is properly seated before reinstalling its retaining screw.

Conclusión

Compare your new replacement part to the original part—you may need to transfer remaining components or remove adhesive backings from the new part before installing.

To reassemble your device, follow the above steps in reverse order.

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Check out our Answers community for troubleshooting help.

14 personas más completaron esta guía.

Adam O'Camb

Miembro Desde 11/04/15

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is there any way to replace the I.O without swapping the motherboard?

Tristan Haugh - Contestar

From cutting through the adhesive to the smoke test this was just under a four hour job for me. One adhesive strip left a complete layer of glue on one side of the screen, and it took me the better part of an hour, about half my supply of wipes, and a plastic razor blade just to clean that one edge up. I’d break the time down as: removing, cleaning, or reapplying adhesives, 2 hours; non-adhesive disassembly, 50 minutes; reassembly, 40 minutes; “oh crap, where’s that tool?” 15 minutes; and about 10 minutes for cleanup, including vacuuming out the fan, heat sink, and vents.

Ed Poe - Contestar

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