Introduction

Applying new adhesive strips to the iMac Intel 21.5" Retina 4K Display (2017) may cover the microphone and hinder its function. Follow this guide to modify the adhesive strips so that the microphone functions properly.

The frame of this iMac model is identical to its 2012-2015 predecessors, except that the microphone is behind the bottom-right edge of the display. In this new position, the "4R" strip completely covers the microphone and the holes in front of it, deadening any sound picked up.
  • The frame of this iMac model is identical to its 2012-2015 predecessors, except that the microphone is behind the bottom-right edge of the display.

  • In this new position, the "4R" strip completely covers the microphone and the holes in front of it, deadening any sound picked up.

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Use scissors to cut off the part of the adhesive strip that will cover the microphone.
  • Use scissors to cut off the part of the adhesive strip that will cover the microphone.

  • Continue with adhesive installation and reassembly as instructed.

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Conclusion

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

One other person completed this guide.

Oros

Member since: 03/13/2017

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3 Comments

I just bought the new custom iMac 2017 and it has very muffled microphone, kind of disappointed...

Alexander Borisenko - Reply

Yes, me too… I bought one 4k iMac 2017 and every-time when I try to talk to someone on FaceTime and Discord, the other people on the call never listen me… For me especially, is so much disappoint, because I'm from brazil and 1 iMac price here, it's like 3 or 4 at the USA.

Matheus Cabral Rosa -

Hey Oros,

It’s awesome that you’ve started a guide for this. It’s such an essential issue, and I never seemed to get around to doing it myself. I was wondering if, maybe, you could mention me somewhere. Not anything lengthy; it would just be a nice for me to feel like I contributed. Especially since I see that you used some of what I wrote from my forum post (Muffled Microphone - iMac 21.5" (mid 2017) - Following Adhesive Strips) directly in this guide, verbatim. Don’t get me wrong… I think it’s great and I have no problem with it. But it would be nice to see my name floating around somewhere. :)

Warren Wilson - Reply

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