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Introduction

Use this guide to replace the microphone cable.

This guide requires the removal of the heat sink and logic board. Don't forget to follow our thermal paste application guide before you reinstall your heat sink.

    • Remove the following ten screws securing the lower case to the upper case:

    • Two 2.3 mm Pentalobe screws

    • Eight 3.0 mm Pentalobe screws

    • Throughout this repair, keep track of each screw and make sure it goes back exactly where it came from to avoid damaging your device.

  1. Wedge your fingers between the upper case and the lower case.
    • Wedge your fingers between the upper case and the lower case.

    • Gently pull the lower case away from the upper case to remove it.

  2. The lower case is connected to the upper case with two plastic clips near its center. During reassembly, gently push down the center of the lower case to reattach the two plastic clips.
    • The lower case is connected to the upper case with two plastic clips near its center.

    • During reassembly, gently push down the center of the lower case to reattach the two plastic clips.

  3. If necessary, remove the plastic cover adhered to the battery contact board.
    • If necessary, remove the plastic cover adhered to the battery contact board.

  4. Use the flat end of a spudger to lift the battery connector straight up out of its socket on the logic board. Be sure you lift up only on the connector itself, not the socket, or you risk permanent damage to the logic board.
    • Use the flat end of a spudger to lift the battery connector straight up out of its socket on the logic board.

    • Be sure you lift up only on the connector itself, not the socket, or you risk permanent damage to the logic board.

  5. Bend the battery connector up out of the way to prevent accidental contact with its socket during your repair.
    • Bend the battery connector up out of the way to prevent accidental contact with its socket during your repair.

  6. Carefully remove the rubber fan bumper from the edge of the heat sink. The fan bumper wraps around the heat sink and fits into slots in the fan duct. During reassembly, be sure to fit the tabs into the notches in the fan duct. The fan bumper wraps around the heat sink and fits into slots in the fan duct. During reassembly, be sure to fit the tabs into the notches in the fan duct.
    • Carefully remove the rubber fan bumper from the edge of the heat sink.

    • The fan bumper wraps around the heat sink and fits into slots in the fan duct. During reassembly, be sure to fit the tabs into the notches in the fan duct.

  7. Use the flat end of a spudger to peel the four foam stickers off of the heat sink screws. Use the flat end of a spudger to peel the four foam stickers off of the heat sink screws.
    • Use the flat end of a spudger to peel the four foam stickers off of the heat sink screws.

  8. Remove the following screws securing the heat sink to the logic board:
    • Remove the following screws securing the heat sink to the logic board:

    • One 2.7 mm T5 screw (silver)

    • Four T5 screws (black)

  9. Remove the heat sink from the laptop. When reassembling your computer, follow our thermal paste application guide to reapply the thermal paste.
  10. Use the tip of a spudger to push on either side of the the iSight camera cable connector to walk it out of its socket on the logic board. Use the tip of a spudger to push on either side of the the iSight camera cable connector to walk it out of its socket on the logic board.
    • Use the tip of a spudger to push on either side of the the iSight camera cable connector to walk it out of its socket on the logic board.

  11. Peel the iSight camera cable off the fan housing to fold it out of the way. Peel the iSight camera cable off the fan housing to fold it out of the way.
    • Peel the iSight camera cable off the fan housing to fold it out of the way.

  12. Use the tip of a spudger to flip the tab on the fan's ZIF connector. Carefully pull the fan cable straight out of its socket. Carefully pull the fan cable straight out of its socket.
    • Use the tip of a spudger to flip the tab on the fan's ZIF connector.

    • Carefully pull the fan cable straight out of its socket.

  13. Remove the following screws securing the fan to the upper case:
    • Remove the following screws securing the fan to the upper case:

    • One 5.0 mm T5 Torx screw

    • Two 3.6 mm T5 Torx screws

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  15. Lift the end of the fan closest to the display hinge and remove the fan from the upper case. Lift the end of the fan closest to the display hinge and remove the fan from the upper case. Lift the end of the fan closest to the display hinge and remove the fan from the upper case.
    • Lift the end of the fan closest to the display hinge and remove the fan from the upper case.

  16. Remove the two 2.1 mm T5 Torx screws securing the I/O board cable bracket to the logic board. Remove the I/O board cable bracket.
    • Remove the two 2.1 mm T5 Torx screws securing the I/O board cable bracket to the logic board.

    • Remove the I/O board cable bracket.

  17. Use the flat end of a spudger to pop the I/O board connector straight up off its socket on the logic board. Be careful to only pry up on the I/O board cable, not on the socket itself or you risk damaging your logic board.
    • Use the flat end of a spudger to pop the I/O board connector straight up off its socket on the logic board.

    • Be careful to only pry up on the I/O board cable, not on the socket itself or you risk damaging your logic board.

  18. Lift the logic board end of the I/O board cable straight up to bend it out of the way. To avoid damage to the cable, fold only at the bend in the I/O board end of the cable.
    • Lift the logic board end of the I/O board cable straight up to bend it out of the way.

    • To avoid damage to the cable, fold only at the bend in the I/O board end of the cable.

  19. Use the tip of a spudger to lift the right speaker connector straight up out of its socket on the logic board. Use the tip of a spudger to lift the right speaker connector straight up out of its socket on the logic board.
    • Use the tip of a spudger to lift the right speaker connector straight up out of its socket on the logic board.

  20. With the tip of a spudger, push on either side of the I/O board connector to walk it out of its socket on the logic board. With the tip of a spudger, push on either side of the I/O board connector to walk it out of its socket on the logic board.
    • With the tip of a spudger, push on either side of the I/O board connector to walk it out of its socket on the logic board.

  21. Use the flat end of a spudger to disconnect the keyboard backlight cable and bend it up out of the way of the logic board. Use the flat end of a spudger to disconnect the keyboard backlight cable and bend it up out of the way of the logic board. Use the flat end of a spudger to disconnect the keyboard backlight cable and bend it up out of the way of the logic board.
    • Use the flat end of a spudger to disconnect the keyboard backlight cable and bend it up out of the way of the logic board.

  22. Grab the black plastic tab to flip the display cable connector open and pull it straight out of its socket on the logic board. Grab the black plastic tab to flip the display cable connector open and pull it straight out of its socket on the logic board. Grab the black plastic tab to flip the display cable connector open and pull it straight out of its socket on the logic board.
    • Grab the black plastic tab to flip the display cable connector open and pull it straight out of its socket on the logic board.

  23. Carefully pull the DC-In board connector straight out of its socket on the logic board. Carefully pull the DC-In board connector straight out of its socket on the logic board.
    • Carefully pull the DC-In board connector straight out of its socket on the logic board.

  24. Wedge the flat end of a spudger under the left speaker cable near the connector and lift it straight up out of its socket and fold it out of the way. Wedge the flat end of a spudger under the left speaker cable near the connector and lift it straight up out of its socket and fold it out of the way. Wedge the flat end of a spudger under the left speaker cable near the connector and lift it straight up out of its socket and fold it out of the way.
    • Wedge the flat end of a spudger under the left speaker cable near the connector and lift it straight up out of its socket and fold it out of the way.

  25. If necessary, peel back any tape covering the microphone cable ZIF connector. If necessary, peel back any tape covering the microphone cable ZIF connector.
    • If necessary, peel back any tape covering the microphone cable ZIF connector.

  26. Use the tip of a spudger to flip the retaining tab on the microphone cable ZIF connector. Pull the microphone cable out of its socket on the logic board. Pull the microphone cable out of its socket on the logic board.
    • Use the tip of a spudger to flip the retaining tab on the microphone cable ZIF connector.

    • Pull the microphone cable out of its socket on the logic board.

  27. If necessary, peel back any tape covering the keyboard cable connector. Use the tip of a spudger to flip the retaining tab on the ZIF connector. Use the tip of a spudger to flip the retaining tab on the ZIF connector.
    • If necessary, peel back any tape covering the keyboard cable connector.

    • Use the tip of a spudger to flip the retaining tab on the ZIF connector.

  28. Pull the keyboard cable straight out of its ZIF socket on the logic board. Pull the keyboard cable straight out of its ZIF socket on the logic board.
    • Pull the keyboard cable straight out of its ZIF socket on the logic board.

  29. Use the flat end of a spudger to pop the trackpad connector straight up off its socket on the logic board. Fold the cable out back over the battery to clear the way for the logic board. Fold the cable out back over the battery to clear the way for the logic board.
    • Use the flat end of a spudger to pop the trackpad connector straight up off its socket on the logic board.

    • Fold the cable out back over the battery to clear the way for the logic board.

  30. Remove the five 3.5 mm T5 Torx screws securing the logic board to the upper case.
    • Remove the five 3.5 mm T5 Torx screws securing the logic board to the upper case.

  31. Lift the processor end of the logic board up slightly and pull it toward the fan recess to free the ports from the edge of the upper case. Remove the logic board. Remove the logic board.
    • Lift the processor end of the logic board up slightly and pull it toward the fan recess to free the ports from the edge of the upper case.

    • Remove the logic board.

  32. Remove the following screws securing the left speaker to the upper case:
    • Remove the following screws securing the left speaker to the upper case:

    • One 5.7 mm T5 Torx screw

    • One 6.5 mm T5 Torx screw

    • One 3.8 mm T5 Torx screw

  33. Lift the corner of the left speaker up and slide it toward the battery to remove it from the upper case. Be careful not to snag the speaker cable on the screw hole post in the side of the case. Be careful not to snag the speaker cable on the screw hole post in the side of the case.
    • Lift the corner of the left speaker up and slide it toward the battery to remove it from the upper case.

    • Be careful not to snag the speaker cable on the screw hole post in the side of the case.

  34. Remove the single 3.7 mm T5 Torx screw securing the case-edge of the battery contact board.
    • Remove the single 3.7 mm T5 Torx screw securing the case-edge of the battery contact board.

  35. Insert the tip of a spudger under the battery-side portion of the rubber microphone cable cover to detach the adhesive there. Insert the tip of a spudger under the battery-side portion of the rubber microphone cable cover to detach the adhesive there.
    • Insert the tip of a spudger under the battery-side portion of the rubber microphone cable cover to detach the adhesive there.

  36. Use the flat end of a spudger to wedge the battery contact board up slightly to allow room to extract the dual microphone assembly. Use the flat end of a spudger to wedge the battery contact board up slightly to allow room to extract the dual microphone assembly.
    • Use the flat end of a spudger to wedge the battery contact board up slightly to allow room to extract the dual microphone assembly.

  37. Remove the rubber microphone cover with a set of tweezers Be careful not to snag the cover on the screw post in the case or on the battery contact board. Be careful not to snag the cover on the screw post in the case or on the battery contact board.
    • Remove the rubber microphone cover with a set of tweezers

    • Be careful not to snag the cover on the screw post in the case or on the battery contact board.

  38. Insert the tip of a spudger underneath the connector end of the microphone ribbon cable and slide it toward the screw post to free that half from the upper case. If the microphone is very resistant to prying, try heating it with an iOpener. Heating it will soften the adhesive and minimize the risk of tearing the cable. If the microphone is very resistant to prying, try heating it with an iOpener. Heating it will soften the adhesive and minimize the risk of tearing the cable.
    • Insert the tip of a spudger underneath the connector end of the microphone ribbon cable and slide it toward the screw post to free that half from the upper case.

    • If the microphone is very resistant to prying, try heating it with an iOpener. Heating it will soften the adhesive and minimize the risk of tearing the cable.

  39. Insert the tip of a spudger under the battery-side portion of the microphone ribbon cable and slide it toward the screw post to free it from the upper case. Insert the tip of a spudger under the battery-side portion of the microphone ribbon cable and slide it toward the screw post to free it from the upper case. Insert the tip of a spudger under the battery-side portion of the microphone ribbon cable and slide it toward the screw post to free it from the upper case.
    • Insert the tip of a spudger under the battery-side portion of the microphone ribbon cable and slide it toward the screw post to free it from the upper case.

  40. Pull the dual microphone cable assembly up and toward the logic board recess to remove it from the upper case. Be very careful not to snag the cable on the screw post in the case or the battery contact board.
    • Pull the dual microphone cable assembly up and toward the logic board recess to remove it from the upper case.

    • Be very careful not to snag the cable on the screw post in the case or the battery contact board.

Conclusion

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

6 other people completed this guide.

Andrew Optimus Goldheart

Member since: 10/17/2009

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3 Comments

Simply DISABLING the microphones can be done in 3 steps: #1, #2, #25, #26. No need to yank the logic board/fan and all that.

Evan Ralston - Reply

Many thanks for preparing / making this brilliant guide available. The mic in my Macbookpro failed for some reason and, using this guide I replaced it with a refurbished spare and saved myself $$. Every single step has been captured with specific additional detail / imagery where needed. It’s scary working with the tiny connectors but this guide gives you confidence it can be done / you can do it.

Nick Cassidy - Reply

Nick Cassidy,

Where did you find a replacement? I have looked EVERYWHERE and can not find one.

Thanks!

Frank Vinyard -

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