Microphone not working on a mac here’s how to fix it

Microphone not working on a mac here’s how to fix it


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You could be hearing your own voice through a headset for a variety of reasons. Identifying and solving the problem is largely a process of trial and error. Fortunately, none of the common fixes are particularly difficult to implement and avoiding the frustration and distraction the echo should prove well worth the effort.

Others’ Speakers

The simplest and most likely cause of an echo is not even caused by your microphone. If the people you are speaking to have microphones of their own and are receiving your voice through speakers, their microphones can pick up the sound from their speakers and send it back to you. An easy test is to ask that your friends momentarily turn their speakers off. If your friends’ speakers are causing the problem, ask that they move farther from the speakers, reduce their volume or use headphones instead.

Other Devices

You may have more than one recording device activated. Many laptops and webcams come with an integrated microphone. If you computer is using both your headset and another recording device at the same time, it can create an echo effect. To disable other recording devices click the “Start | Control Panel | Hardware and Sound | Sound.” Click the “Recording” tab in the window that appears. Right click on any device listed that is not your headset and select “Disable” from the pop-up menu.

Microphone Boost

Some sound cards employ a Windows feature called “Microphone Boost” that Microsoft reports may cause an echo. To disable the setting return to the Sound window as described in the previous section. Click the “Recording” tab, and then right click on your headset and select “Properties.” Click the “Levels” tab in the Microphone Properties window and uncheck the “Microphone Boost” tab. Click “Apply,” and then close the window.

Mic Monitor

Some headsets deliberately send some of the user’s voice back to the headset in order to help users know how loud they will sound to others. Depending on your Internet connection and the programs you are using, there may be a slight delay between your speaking and the sound being played back. Return to the Microphone Properties window for your headset as described in the previous section. Click the “Listen” tab and make sure that the check box next to “Listen to this device” is left blank. If it is checked, click the box once to remove the check mark, then click “Apply” and close the window.

  • Microsoft Support: Your Audio Device May Cause an Echo
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Mike Smith began writing in 2007. He wrote for and edited his school’s literary magazine and wrote film and music reviews for the school newspaper. He has also been published in “Indianapolis Monthly.” Smith graduated from Franklin College in 2010 with a Bachelor of Arts in English.

Microphone not working on a mac here’s how to fix it


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The MacBook has a built-in microphone near the top of the screen, and it supports external USB microphones as well. Before you use your microphone, you can adjust its input level to lower or raise the microphone’s sound and to enable ambient noise reduction, which helps reduce background noise that your microphone may pick up. After setting a default input level, you may also be able to adjust your microphone’s volume in individual applications.

Click the gray “System Preferences” icon in your MacBook’s Dock. Click “Sound” in the Hardware group.

Click the “Input” tab to access microphone settings. Click “Internal Microphone” in the devices list to adjust the microphone settings for your Mac’s internal mic, or click the name of any external USB microphone you have installed.

Slide the “Input Volume” slider to the right to increase the microphone’s volume, or slide the slider to the left to decrease the volume. Click the “Use Ambient Noise Reduction” check box to help reduce background noise when using your mic.

Close the sound settings window after you adjust your microphone.

Microphone Not Working on a Mac? Here’s How to Fix It

Microphone Not Working on a Mac? Here’s How to Fix It: Apple MacBooks and many desktop Macs have built-in microphones. However, you can also connect headsets and other mics via USB, a 3.5mm audio jack, or Bluetooth. Here’s how to fix a microphone that’s not working on your Mac.

Figure Out Which Microphone Your Mac Is Using

To effectively troubleshoot microphone problems, it’s important to know which one your computer is using.

Your Mac will be using one of the following:

  • The Internal microphone: Included in any MacBook or iMac.
  • An external USB microphone: Connected directly to a USB port and self-powered.
  • An External 3.5mm microphone: Connected to your computer’s microphone input or a separate audio interface, which might require additional power.
  • AirPods or a similar Bluetooth headset: Connected wirelessly to your Mac.

If you want to use your Mac’s internal microphone, you can move on to the next step. If you’re using a USB microphone, connect it directly to your Mac (avoid using a hub).

If you’re using a wired microphone that requires a 3.5mm stereo jack, make sure it’s connected to the right port, and that it doesn’t require additional power (it won’t work if it does).

Finally, pair your AirPods or Bluetooth headset under System Preferences > Bluetooth. If you can’t get your Bluetooth headset to work, unpair it by clicking the “X” next to it in the “Devices” list. Then, try to pair it again.

Once you’re confident your chosen microphone is connected and powered on, it’s time to take a look at the audio settings.

Check the Sound Input Settings

A common cause of microphone problems is a misconfigured sound input. Head to System Preferences > Sound, and then click the “Input” tab. You should see a list of devices you can use as a sound source, including, (hopefully) the microphone you want to use.

To use a device, such as “Internal Microphone,” click it. If everything goes according to plan, you should see the bars fill up next to “Input Level” as you speak.

If you don’t see anything, increase the “Input Volume” slider and try speaking again. If the slider is too low, your Mac won’t detect any sound.

If you want to use your AirPods as your microphone, select “AirPods” from the list. If you’re using an audio interface, select it from the list.

You might also see entries for other apps you have installed, like “Soundflower” or “Aggregate Device,” but you don’t want to use any of those right now.

If you see movement in the “Input Level” indicator, that’s a good sign, but more troubleshooting might be necessary to get things working properly.

Check the Microphone Permissions

Another common cause of microphone problems is Apple’s expanded permissions system. It prevents apps from accessing the microphone until you specifically allow it. When apps want to access the microphone, a notification should appear asking you to approve or deny the request.

If you deny the request, the app won’t be able to access the computer’s mic. It’s often a good idea to deny apps access to your hardware until you’re confident it needs it to function properly.

Head to System Preferences > Security and Privacy > Privacy, and select “Microphone” from the sidebar. You should see a list of apps that have requested access to your microphone. Any you have approved will have a checkmark next to them, while those you’ve denied will not.

Click the Padlock icon at the bottom left to authenticate with your admin password (or Touch ID, or Apple Watch prompt). You can then approve or deny permission as you see fit by checking or unchecking the boxes next to the apps.

Delete Problematic Apps

With the right source selected and any required permissions granted, your microphone should work. Try talking to Siri to test things out. If a specific app isn’t working, it might be the source of the problem.

You can try checking the app’s preferences to see if there are separate settings for input devices. Apps like Adobe Audition and Audacity allow you to specify an input device separate from the one selected in the audio “Input” settings under “System Preferences.”

If everything seems fine, try deleting and reinstalling the app. Look for an updated version to download, just in case the issues were caused by incompatibility. Apple has made serious changes to the macOS permissions system over the last few revisions, so some outdated apps might not work.

If you can’t get the app to work, it might be time to replace it with a similar one that does.

Reset the NVRAM/PRAM

Non-volatile RAM (NVRAM) or parameter RAM (PRAM) is the type of memory your Mac uses to remember settings, such as the time and date and current volume settings. These settings persist even after your Mac has been powered off. Sometimes, problems can arise, and resetting the NVRAM/PRAM might help.

Since this memory deals specifically with volume and sound settings, it’s particularly pertinent to microphone issues. How you reset it depends on which Mac you have, but you can learn how to do so on your particular model here.

Try Enabling Dictation

It’s a wild card, but some reports claim that enabling the macOS Dictation feature can help clear up some microphone issues, particularly those relating to the internal one. It’s unclear how this helps, but if you’ve gotten this far and your mic still isn’t working, it’s worth a shot.

Head to System Preferences > Keyboard, and then click the “Dictation” tab. Click the “On” radio button and wait for any downloads to complete. Make sure the microphone you want to use is selected in the drop-down menu. If everything is configured correctly, you should see the levels moving.

If you haven’t used it before, you might want to take this opportunity to try out your Mac’s Dictation feature. By default, you can trigger it by double-pressing the Function (Fn) key. You can also control the rest of your Mac with your voice, thanks to Apple’s extensive accessibility features.

Check the Levels on Your External Microphone

Most external microphones allow you to change levels directly on the mic, while others have a Mute toggle. Check your microphone over thoroughly to make sure the gain is turned up enough and that you haven’t accidentally muted it.

If you’re using an audio interface, you might need to adjust the gain there.

Restart Your Mac

Sometimes, you just need to turn it off and back on again to resolve any problems. You could also try installing any pending macOS updates under System Preferences > Software Update. Or, upgrade to the latest version of macOS, if you haven’t already done so.

If you’re also dealing with crackling audio and other sound problems on macOS, check out how to fix those next!

Microphone not working on a mac here’s how to fix it

Audio playback and sound issue is quite common in macOS. If the audio has stopped working, this could be because of a macOS update. Most of the time issues can be really simple by unmuting the button or adjusting your sound settings. Geeks Callout has few quick fixes when the sound is not working on your Mac.

No Sound? Check the Volume

Before digging into deep make sure the system isn’t on mute. You can do that by clicking on the sound icon on the top left bar or press the F12 key on the keyboard to increase the volume. If you have plugged the headphones or USB external speakers, click on the sound icon and make sure the right device is selected for audio playback.

Microphone not working on a mac here’s how to fix it

Choose the Right Audio Device

If your MacBook or iMac sound isn’t working at all after the troubleshooting mentioned above, chances are you have not selected the right device to play the audio. This is one of the most common bugs in macOS. Mac automatically chooses the wrong output audio device when a new device plugged into the system.

1: Click on the Apple icon, choose “System Preferences > Sound > OutPut”.

Microphone not working on a mac here’s how to fix it

2: Select the right output device for your Audio

Microphone not working on a mac here’s how to fix it

3: you can also click on the audio icon on the top right bar and choose the right audio device.

4: If the attached device isn’t giving any sound output. Disconnecting and reconnecting sometimes solves the issue. Don’t forget to check if the audio is muted and a little sound circle is to the right.

Reset Audio through Terminal

If the audio issue is still not resolved, it could be an issue with Mac’s audio interface, distorted or missing audio is also the part of reason due to a bug in the macOS. Audio API or Core Audio mostly resolves these sorts of issues straight away.

1: Click on the magnifier, and search for “Terminal“.

Microphone not working on a mac here’s how to fix it

2: Launch terminal and type:

Sudo killall coreaudiod

In the terminal windows and press Enter. Type in your system password if asked.

3: Once the sound API reset, restart your MacBook and test if the sound is working again.

You can also try and delete the “Coreaudiod” process in the Activity monitor. Go to “Application > Utilities > Activity Monitor,” which will come up with a list of all running system programmes. Find a process called “Coreaudiod“, select it and press the “X” to kill the activity. Once you have successfully killed the process, it will automatically reset your Mac’s Core audio Process.

Issues with Third-Party Apps

Third-party programs installed in your system sometimes causes audio malfunction on your MacBook or iMac. There could be an incompatibility of the software of hardware with the new macOS version. Make sure your hardware drivers are fully updated and no programme is conflicting with the sound.

Some users have also experienced the issue solved by simply restarting Mac or leaving it turned off for 5 minutes and turn it back on. Restarting a computer sometimes does fix various issues associated with sound, graphics, camera or microphone.

Update macOS

Microphone not working on a mac here’s how to fix it

Each version of macOS come with new fixes and improvements. You may not notice but each upgrade comes with new security patches, fixes and system drivers.

Click on the Apple Icon > About this Mac > Software Update

If you are having any issues with your Mac, before doing anything make sure it’s fully updated. In this case, if you are having audio issues, updating your operating system can be a good solution. However, you should always keep a backup of your files and folder before running an upgrade in case if something goes wrong.

Reset the NVRAM

Non-volatile random access memory (NVRAM) is a memory Mac uses to store immediate information required to load the macOS. This memory stores display, audio, keyboard, mouse, zone preference, system settings, startup disk and details about system errors. By doing NVRAM reset, Mac will run through all the devices to update its memory and does solve the glitches or bugs internally.

1: Shut Down your MacBook or iMac.
2: Press the Power Button until your Mac turns on.
3: Press and Hold (Command + Option + P + R) until your Mac restarts.

Microphone not working on a mac here’s how to fix it

4: If you choose this option, remember, resetting your NVRAM will set your time zone, audio preference, graphics, etc to default settings. Don’t worry, you won’t lose any of your personal files or documents.

It is common to have audio or microphone issues with your MacBook. Following the guide above should easily fix the issue and non of the step above will lead to any serious damage to the computer. If you are unsure or unclear how to solve the Mac sound problem, speak to our Apple Mac expert for help.

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The microphone is an essential part of your Mac. Whether you are using apps like Skype, Zoom, Facetime, Siri or whether you are speaking to Mac, you need a microphone. But, what if you find that your Mac microphone has stopped working? Whatever the reason be, we’ll have a look at steps you can take to resolve the issue.

Why Your Mac Microphone Might Not Be Working?

Let’s first have a look at a few reasons why your Macbook microphone might not be working –

Ways To Fix Microphone Not Working On Mac

Here are some of the easiest and effective steps you can undertake if the microphone is not working on your Mac, immaterial of whether it is a MacBook or iMac –

Table Of Contents

1. Fix The Misconfigured Sound Input

Microphone not working on a mac here’s how to fix it

One of the reasons why the microphone on your Mac might not be working could be because of a misconfigured sound output. Here we will look at the possible steps which can help you fix the issue –

1. Go to Sound Preferences and then go to Sound

2. Click on the Input tab

3. You will be able to see a list of devices you use as a sound source. Here you will also be able to see the name of your Microphone as well

4. Now, as you click on your choice of microphones, you will see an Input volume bar at the bottom

5. Slide the bar and check if you are able to hear properly

2. Give Your Mac A Quick Restart

Let’s keep it simple at first. If your Mac microphone is not working, you can give your Mac a quick restart and then check if the problem is fixed. To restart, go to the Apple menu and then click on Restart.

3. Throw The Junk Files Out Of Your System

Junk files that get accumulated can meddle with the various settings of your Mac and the microphone is no different. This is when you can exercise the power of third-party Mac optimization and cleaning tools like Disk Clean Pro.

Here’s how you can use Disk Clean Pro to remove the junk out of your Mac in a few very simple steps –

1. Download and install Disk Clean Pro.

2. Scan your Mac for junk files. Click on Start System Scan to proceed.

Microphone not working on a mac here’s how to fix it

3. Wait for the process to finish and then click on the Clean Now button.

Microphone not working on a mac here’s how to fix it

4. Click OK on the confirmation box appears next.

That’s it! You have successfully removed all the junk items in your Mac.

Disk Clean Pro – Other Features

Price: US$ $9.99

Compatibility: macOS 10.7 or later

Click Here To Download Disk Clean Pro

4. Do Your Apps Have Access To Microphone?

Microphone not working on a mac here’s how to fix it

Let’s consider this scenario – you need your Microphone so that you can listen to your colleagues on a Zoom or Skype call and as soon as the meeting starts, you just can’t hear anything. A simple fix is to check app permissions, you can control apps that are allowed to use the Microphone.

1. Click on the Apple menu and then click on System Preferences

2. Click on Security & Privacy > Privacy

3. Choose Microphone from the left-hand menu

4. Now, click on the checkbox next to the app. For example Zoom

Alternatively, you can check if you have enabled sound settings for a particular app (Apps like Skype, Zoom, etc have dedicated sound settings that need to be switched on so that you can chat via microphone). You can also try to uninstall and then reinstall the app once again and then check if you are able to use the Microphone for that particular app or not.

5. Turn On The Dictation Option

Microphone not working on a mac here’s how to fix it

Maybe you don’t want to dictate your Mac and type it for you but this feature can also help download drivers which can resolve issues because of which your MacBook microphone is not working. Here are the steps to turn on Dictation –

1. Open System Preferences

2. Click on the keyboard window

3. Now, click on the Dictation tab and then on the Dictation radio button

Your Mac will now look for relevant drivers or language packs and will download them automatically. Once downloaded, check if your Microphone is working or not.

6. Reset Your Mac’s PRAM

In simple terms, just resetting your PRAM can help make your Mac microphone work again since this option resets your Mac’s settings –

1. Click on the Apple icon and then click on Shut Down

2. When your Mac has turned off press the power button and the cmd + alt + P + R buttons simultaneously

3. Hold them down for 20 seconds

4. When you release the keys, you would have reset the PRAM

Wrapping Up

We sincerely hope that in case your Mac microphone is acting up or not working, the above-mentioned ways will help you fix the issue. We’d again like to reinstate that in case junk files and unwanted apps are interfering with your Mac microphone’s settings, you can always count on apps like Disk Clean Pro. If you liked the blog, do give it a thumbs up and share it with your friends.

MacBook Airs become even more functional when used with external microphones. These peripherals can be used alongside various apps like Discord, which is very popular for gamers, as well as Skype for taking or initiating calls.

So, when the microphone does not cooperate, it is not surprising why many of us feel frustrated. It seems that the things we can do on our computers suddenly become limited.

Fortunately, it is possible to troubleshoot problems with an external Microphone on a MacBook Air. In the event that your MacBook Air cannot detect your mic, try the solutions we have listed for you below. But before you do that, make sure that you have configured your mic correctly.

How to Properly Set Up an External Microphone on a MacBook Air

To avoid problems with your external microphone, you need to set it up correctly on your MacBook Air. We’ll teach you how below.

Connecting the External Microphone

Depending on the microphone that you are using, it will connect to your MacBook Air in various ways. Regardless, all these connections usually lead to one place: the USB port.

The most common type of microphone available is the USB mic. To use this, just plug its cable into an open USB port. Another microphone type is the Headset mic. This type is often compatible with headphone jacks and USB ports, which means it’s more versatile.

Some newer microphone types can be connected via Thunderbolt. Although they’re new, they function the same way USB-type microphones do. They only differ by the connection protocol they use and the connector style.

Configuring the Microphone

To use a microphone, you simply need to plug it into an available port and use it as you normally would. Things may only get complicated when you configure it.

To start with the configuration, follow these steps:

  1. Go to System Preferences.
  2. Select Sound.
  3. Navigate to the Input tab.
  4. Locate your microphone and set it as the system input. You can do that by clicking on your microphone’s name.

That’s it! You can start using your microphone.

What to Do If Your Mic Is Not Detected on MacBook Air

Is your external microphone not getting detected on your MacBook Air? Fret not because many have already found a way to fix the problem. These include the following:

Solution #1: Configure Your MacBook Air’s Microphone Settings.

Sometimes, all you need to do is configure the microphone settings of your MacBook Air. Here’s how:

  1. Go to the Apple menu.
  2. Navigate to System Preferences.
  3. Find Sound and click on it.
  4. Open the Input tab.
  5. Select Internal Microphone. If there is no Internal Microphone option, try to speak in your microphone and check if the blue lines in the Input Level moves. If the blue lines are rising as you speak, then your microphone is working just fine. Otherwise, your microphone is faulty. If the blue lines are not rising, simply drag the slide next to Input Volume to the maximum level.

Solution #2: Restart Your MacBook Air.

Is your microphone still not working? Consider rebooting your MacBook Air. Give your computer a fresh start and check if the microphone now works.

To restart your MacBook Air, go to the Apple menu and select Restart.

Solution #3: Reset Your MacBook Air’s PRAM.

Since it is a hardware issue, it is worth trying to reset the PRAM. Follow the steps below to reset the PRAM on your MacBook Air:

  1. Shut down your MacBook Air.
  2. Switch it on by pressing the Power button and holding the CMD + P + R + Option keys. Release all of them once you hear the startup tone. By now, you have already reset your computer’s PRAM.
  3. After resetting the PRAM, configure your microphone’s settings. You may refer to Solution #1 for a detailed guide on how to configure your microphone settings.

Solution #4: Create a New User Account.

Oftentimes, the problem is only within a specific user account. When you log into another user account, the problem does not exist. So, to fix the problem, you might want to create a new user account. Here’s how:

  1. Go to the Apple menu.
  2. Open System Preferences.
  3. Choose Users and Groups.
  4. Log out of your current account and create a new one.
  5. Log in with it. Do not switch accounts.
  6. Check if the problem persists.

Solution #5: Contact the Program’s Support.

If you see the blue bars moving when you speak into the microphone, then it is an indication that it is configured properly and that your MacBook Air can hear it. If you wish to verify that, you can use online mic test tools.

Your problem lies within the program where you are using the microphone. It might not be configured properly; hence the mic does not work. The program could be listening to your microphone the wrong way or the volume is set too low.

Now, if the settings are correct, your last resort is to contact the program’s support. Explain to them your problem and ask for possible solutions.

Solution #6: Run a Mac Repair Tool.

In some cases, MacBook Air issues arise due to problematic files and apps. When left unsolved, these issues may trigger more problems, affect other programs or worse, corrupt your macOS.

To fix them, all you have to do is to download and install a reliable Mac repair tool. Once installed, perform a quick scan. Wait as it identifies and resolves issues on your MacBook Air.

Solution #7: Visit an Apple Genius.

If all else fails, you may take your MacBook Air to an Apple Genius. Have the experts check on your computer and figure out what’s causing your microphone problems. This is the best and safest option for MacBook Air users who are not confident with their technical skills.


Connecting an external microphone to a MacBook Pro should be easy. Basically, you just need to plug and play. But if you are having issues with it, you might need to try the solutions above or check if the microphone itself is faulty.

Do you know other effective fixes that can resolve microphone problems on MacBook Airs? We’re dying to know. Comment on them below.

Microphone not working on a mac here’s how to fix it

Written By Jordan Baldo Last updated: July 14, 2021

Almighty writing expert who is proficient in analyzing Mac issues and providing efficient solutions.

Is the sound not working on Mac? There are some things you can do to fix this. Of course, the first step is to check the volume. But if that doesn’t work, you can try out other things we will explain here. Check it out below.

Part 1. Things To Check If Sound Not Working On Mac

There are some things you have to check if the sound can work or not. These are the following:

  • Check volume levels.
  • Make sure the Mac isn’t muted.
  • Check if only the app doesn’t play the sound.
  • Check if the speakers or any hardware you use is the actual problem.
  • Make sure you’re running the latest version of your macOS.

Part 2. How Do I Get The Sound Back on My Mac?

Method 01. Checking Sound Settings

Here are the steps you should follow to check Sound Settings to fix sound not working on Mac:

  1. Go to the Apple Menu and select the option for System Preferences.
  2. Press the pane for Sound.
  3. Choose the tab for Output. Then, select Built-In Speakers.
  4. Find if the slider of the volume is actually low. Then, move it towards the right to make volume levels louder.
  5. Ensure that the box for Mute isn’t checked.

Microphone not working on a mac here’s how to fix it

Method 02. Remove App Interference

Another thing you can do is to make sure an application isn’t interfering with your sound. Here are the steps to double-check it:

  1. Visit the System Preferences section of your Mac. Then, choose the option for Sound.
  2. Press the tab for Output.
  3. If it seems like software or an app is used as the output, then change it to your speakers.
  4. Uninstall the app as well. You can use PowerMyMac’s Uninstaller if it’s difficult to remove from your computer.

Method 03. Restarting Your Mac’s Sound Controller

Here are the steps on how to restart sound controller to fix sound not working on Mac:

  1. Visit the Applications folder on your Mac, then visit Utilities. Open the Activity Monitor in order to run it on your Mac.
  2. Type “CoreAudio” within the search bar. This will open the controller for Core Audio.
  3. Click the thing that comes up labeled as “CoreAudio”. After that, press the X within the toolbar in order to stop the process.
  4. After that is complete, the controller for Core Audio will restart itself automatically.

Method 04. A Fix For Low Volume

If the sound not working on Mac issues is actually related to a low volume, there may be a problem with the software. That’s why you have to reset your Mac’s NVRAM/PRAM. Here are the steps on how to do it:

  1. Shut your Mac computer down.
  2. Open it again and IMMEDIATELY press OPTION + CMD + P + R keys while it is starting to open.
  3. Wait for about 20 seconds. Then, release the keys.
  4. Once your Mac has been restarted, check volume levels if it’s okay now.

Microphone not working on a mac here’s how to fix it

Method 05. Stuck On Mute

Typically, this is a hardware problem, that’s why you have to visit the technical support team for your sound not working on the Mac issue. In this case, you may want to change to another speaker or go to a technical support store.

Method 06. Resetting Your Mac’s SMC

Here are the steps on how to do it:

  1. Shut your Mac down.
  2. Press SHIFT + CTRL + OPTION + Power keys.
  3. Hold your press on these keys for 15 seconds or more.
  4. Then, start your Mac again normally.

Method 07. Check Bluetooth Device

There are things you must check if sound not working on Mac with Bluetooth speakers or headphones:

  1. Ensure that the Bluetooth device is actually connected.
  2. Ensure that the Bluetooth device is actually on.
  3. Ensure that the Bluetooth device is not damaged.

Part 3. Conclusion

There are various reasons why sound not working on Mac. If an app is interfering resulting to this big problem, you can use PowerMyMac’s Uninstaller module to remove the app. Likewise, you can also do all the things we’ve stated above to help you fix this issue.

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Last updated on August 31, 2020 By Serhat Kurt Leave a Comment

Is the audio not working properly for you on your Mac computer and you do not know why? This article explains how you can fix audio problems that result in no sound output in macOS. The common reported issues include:

  • The volume/sound settings or keys are not working.
  • The volume/sound settings are grayed out.
  • The Mac is completely mute.
  • Internal or external speakers are not working.
  • The Mac sound is coming out distorted or glitchy.

Are you having audio problems on your Mac, for example, when you want to play music? Please try the tips below. The troubleshooting steps below are listed in order. This means that you may want to start with the first step, and then continue to the next one if the first step doesn’t help.

Before you do anything, simply restart your Mac. This may fix your problem. You can restart your Mac by choosing Restart from the Apple menu.

1. Update your Mac

Please ensure that you’ve installed the latest macOS software updates on your Mac. Here is how:

  • macOS Mojave or later: Open System Preferences and click Software Update. This will check for updates. If there are updates, click Update Now and follow the onscreen instructions.
  • macOS High Sierra or earlier: On your Mac, open the App Store and then click Updates.

2. Check your Sound settings

On your Mac, open System Preferences and click Sound, then select the Output tab.

Microphone not working on a mac here’s how to fix it

If you have multiple output devices available, please ensure that the correct one is selected. Select the appropriate (e.g., Internal Speakers – Built-in) one as the output device.

It is obvious but please ensure that the “Mute” box is not selected. Selecting this box will mute all sound. Maybe you have accidentally turned this on.

Another obvious step is to check if the volume is set too low. Find the Output Volume slider. Move the volume slider to the right to increase the volume.

And secondly, please ensure that, if you are having sound issues with an app, the app’s volume isn’t turned down or muted. For example, you can mute audio in Safari. You may want to check that if you’re unable to listen to audio from a website. Your open Safari tabs that have audio playing will show an audio icon in the address bar. You can click this icon to mute or unmute. If a tab is muted, you can click the muted audio icon to unmute again.

Microphone not working on a mac here’s how to fix it

And lastly, check your settings in Audio MIDI Setup. This app is located in the Applications / Utilities folder. You can also use Spotlight to open this app. Open the Audio MIDI Setup app. Select the Built-in Output from the Sidebar. Then ensure that none of the mute boxes are checked.

Microphone not working on a mac here’s how to fix it


This is also called “non-volatile random-access memory” (NVRAM) or “parameter random-access memory” (PRAM). Resetting this may help you. Speaker volume information is stored in PRAM/NVRAM. Here is how:

  • Turn off your Mac.
  • Locate the following 4 keys, do not press them yet: Option, Command, P, and R.
  • Turn on your Mac and immediately press and hold these 4 keys: Option, Command, P, and R.
  • Keep holding these keys for 20 seconds.

If resetting NVRAM/PRAM does not help, then you can try to reset the SMC (System Management Controller).

4. Sound Controller

Restarting Sound Controller on your Mac may fix this problem. You can do this using the Activity Monitor app. Here is how:

  • Open Activity Monitor on your Mac. (see this article if Activity Monitor is not working properly). You can find this in the /Applications/Utilities folder. Or you can use Spotlight to search and launch.
  • Find the Search field in the top-right corner of the window, and search coreaudiod.
  • Select the coreaudiod process and then click the Quit (X) button in the top-left corner window. This will quit the process when it is safe to do so.
  • If Quitting does not work, try to Force Quit. This will quit the process immediately.

Microphone not working on a mac here’s how to fix it

5. Safe Mode

Startup your Mac in Safe Mode. Safe Mode, also called, Safe Boot, is a diagnostic mode that clears caches and repair disks. This may fix your problem. Here is how:

  • Turn off your Mac.
  • Turn on your Mac and immediately press and hold the Shift key.
  • Release the Shift key when the login screen appears.
  • Login to macOS.
  • Your Mac is in Safe Mode.

Test your sound problem. Does the problem you’re having still happen in Safe Mode? Or does the problem not occur in Safe Mode?

Now restart your Mac again. But this time, restart normally, without pressing the Shift key. This will cause your Mac to exit Safe Mode. Now test your problem again.

6. External Speakers

Are you having issues with external speakers, cabled or Bluetooth, such as speakers or headphones? If they are wired, check the cabling. A faulty cable may produce sound issues for you. If possible, try a different cable to isolate the problem. Also, try repeatedly inserting and removing the cable. Do this a few times to see if it makes any difference.

Try restarting your third-party audio devices.

If you are having a sound issue with a Bluetooth device, you may want to troubleshoot your Bluetooth connection. For example, you may want to reset the Bluetooth module.

If you are still having sound issues, hardware problems can be to blame for sound failures. Make an appointment at the Apple Genius Bar for service.

Filed Under: Not working? Tagged With: Sound

A serious privacy bug has been discovered in FaceTime for iOS and MacOS that allows remote eavesdropping on another persons iPhone or Mac, even if they don’t pick up and answer the FaceTime call. Essentially this means that anyone can remotely listen to the microphone of a targeted iPhone or Mac by a remarkably simple process.

Below we’ll show you how you can test and reproduce the FaceTime eavesdropping microphone bug yourself, and we’ll also show you how to protect yourself from the FaceTime remote microphone / video access bug by turning off FaceTime on Mac, iPhone, and iPad.

Note: it appears that only iOS and macOS versions that support Group FaceTime are impacted by this bug, thus anything earlier than iOS 12.1 or macOS 10.14.1 is likely not effected. Apple is apparently aware of the bug and will be releasing security patches later in the week, for the time being they have disabled the Group FaceTime service.

UPDATE 2/7/2019: This bug has been patched by Apple with iOS 12.1.4 and macOS 10.14.3 Supplemental Update and later versions of both operating systems.

How to Reproduce FaceTime Eavesdropping Bug & Remotely Listen to iPhone or Mac

  1. Start a FaceTime call with someone
  2. While the FaceTime call is ringing, tap the three dots or swipe up from the bottom of the screen to access the Group FaceTime feature
  3. Tap on “Add Person” and add your own phone number as the contact person to add to the FaceTime call
  4. The recipients iPhone or Mac will begin transmitting audio to you, even if they don’t answer the call

Going further, if the target presses the Power button on their iPhone, apparently it will start transmitting video as well.

What a lovely security bug! Not really, this is exceptionally bad. So obviously the question is how to protect yourself, which for now means disabling FaceTime completely.

How to Protect from FaceTime Eavesdropping Bug

Currently you can protect yourself or impacted devices from the remote FaceTime eavesdropping microphone / video camera bug by turning off FaceTime on the impacted devices. Here’s how to do that on iPhone, iPad, and Mac.

How to Disable FaceTime on iPhone and iPad

  1. Open Settings on iPhone or iPad and go to “FaceTime”
  2. Toggle the setting for “FaceTime” to OFF

Microphone not working on a mac here’s how to fix it

How to Disable FaceTime on Mac

  1. Open FaceTime, then pull down the ‘FaceTime’ menu and choose “Turn FaceTime Off”

Microphone not working on a mac here’s how to fix it

High-security minded Mac users who had previously either installed OverSight to detect camera and microphone activity on their Mac or disabled the Mac FaceTime camera completely should also be immune from the bug, though it’s possible that audio transmission could occur in the latter scenario.

If you have recently received a FaceTime call that you didn’t answer and you are concerned you are being listened to or watched remotely, simple turn off FaceTime or reboot your iPhone, iPad, or Mac, and then turn off FaceTime.

As mentioned before, the remote eavesdropping microphone / video camera FaceTime bug appears to be related to the Group FaceTime feature which was introduced in iOS 12.1 for iPhone and iPad and macOS 10.14.1 for Mac. In testing, we were not able to reproduce the bug when trying to connect to iPhone, Mac, or iPad that were running earlier iOS or MacOS system software versions.

The bug was apparently first knowingly publicized on Snapchat and Twitter by user @bmmanski where a short casual video is demonstrating the remote microphone access, that video was later noticed by 9to5mac and other tech and mainstream press. It’s possible this security flaw was known by others before this, however.

Now you can answer for yourself on FaceTime even if they don’t answer🤒#Apple explain this..

Another video posted to Twitter by @itsnicolenguyen also demonstrates the bug and how easy it is to replicate:

Apparently several different Twitter users were able to find the FaceTime eavesdropping bug even earlier in the month, but reporting the problem was unsuccessful:

VIDEO: Here is a video, recorded & sent to Apple by a 14 yr old & his mom, on JAN 23rd, alerting them to the dangerous #FaceTime bug, that has threatened the privacy of millions. I’ve removed sensitive / private info on behalf of the mother (an attorney), whom I just spoke to.

According to Axios, Apple will be releasing an update later in the week to resolve the bug. Until then, you might want to consider disabling FaceTime on any impacted iPhone, iPad, Mac, iPod touch.

If you have any experience with this bug, or any additional information, feel free to share in the comments below.