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Internal mic not working and external mic attached with headphones are not being detected

Hi, I have a MBP mid 2012 with OS Catalina installed. The internal mic is not working. Also the device is neither listing nor recognizing any external mic under the input option in sound menu on connecting any external mic attached along with headphones. Any idea about what's going on?

Posted on Jun 15, 2021 3:44 AM

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Question marked as Top-ranking reply

Posted on Jun 15, 2021 4:05 AM

Go step by step and test.


1. Reset PRAM:  Reset NVRAM or PRAM on your Mac - Apple Support

     Settings that can be stored in NVRAM include sound volume, display resolution, startup-disk selection, time zone, 

     and recent kernel panic information. 

     The settings stored in NVRAM  depend on your Mac and the devices that you're using with your Mac.


2. Reset  SMC:   How to reset the SMC of your Mac - Apple Support   Choose the appropriate method.

    Quote:

    Resetting the system management controller (SMC) can resolve certain issues related to power, battery, fans,

    and other features.


 3. Try suggestions given in this article including contacting Apple.

      https://support.apple.com/en-us/HT203186

1 reply
Question marked as Top-ranking reply

Jun 15, 2021 4:05 AM in response to saurav75

Go step by step and test.


1. Reset PRAM:  Reset NVRAM or PRAM on your Mac - Apple Support

     Settings that can be stored in NVRAM include sound volume, display resolution, startup-disk selection, time zone, 

     and recent kernel panic information. 

     The settings stored in NVRAM  depend on your Mac and the devices that you're using with your Mac.


2. Reset  SMC:   How to reset the SMC of your Mac - Apple Support   Choose the appropriate method.

    Quote:

    Resetting the system management controller (SMC) can resolve certain issues related to power, battery, fans,

    and other features.


 3. Try suggestions given in this article including contacting Apple.

      https://support.apple.com/en-us/HT203186

Internal mic not working and external mic attached with headphones are not being detected

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