Wondershare Repairit
Audio Repair

Perfectly rescue and repair corrupted audios with ease.

  • Fix audio issues like audio clipping, audio humming, audio rumbling, etc.
  • Support 5 common audio formats: MP3, M4A, WAV, AAC, FLAC.
  • Repair audio files from multiple devices, such as recording software, portable voice recorder, shooting apparatus, etc.
  • Repair corrupted audio files with a very high success rate in 3 simple steps.
audio repair

How to Fix Mac No Output Device Found?

It’s completely annoying when you turn on your Mac to watch the movie, and you find that there is no sound. If this is your case, then don’t worry! It often happens, and it’s not a problematic issue you can’t resolve shortly.

In this article, I have mentioned all the valuable and universal solutions to resolve the “mac no output device found” issue. However, you may need to work on all the suggested methods, but I suggest you stay calm while performing the fixes since it saves time and avoid technical glitches. Here we go!

Part 1: Overview of Mac No Output Device No Found

1. What is it?

Mac No Output Device Found is basically an error that occurs when there is an issue in increasing or decreasing the volume of a Mac. You can find this error under the settings of sound effects. This can be either hardware or software issues. Don’t worry—it is not a complex error to solve. You can resolve this error with a few changes and updates and enjoy the beat as usual.

If you want to check itself, follow the given process.

System preferences >> sound >> output

no output device found

2. What will cause it?

Outdated Mac, corrupt, missing, or broken audio drivers are the universal reasons for Mac no sound output device found. However, several more reasons cause issues, such as app problems, external speakers, outdated iOS versions, RAM, etc. To help you out, I have mentioned all the tested solutions for the given issues. You’re requested to perform each solution until the problem goes away.

Part 2: Troubleshoot Mac No Output Devices Found

Try these following fixes and resolve no output devices found messages on Mac.

1. Check if it’s the app’s problem

If Mac has no sound issue, you must figure out whether it is an app problem. For instance, you are using the Spotify app for music, and no sound issue occurs. So, play sound on another app like YouTube, iTunes, etc., to know the actual issue. If you see there is an app problem, then follow the given steps.

  • Choose apple menu >> force quit the app (choose the app from the list) >> tap on force quit.

force quit app on mac

  • Restart your Mac, choosing apple menu >> restart.

restart mac

I hope this time you are not getting any issues.

However, if you see no cause for the app, moving to the next solution can be helpful.

2. Restart your Mac

Restarting Mac is also one of the best options to resolve all glitches running on the computer. Even experts suggest restarting a computer can immediately remove bugs and resolve network issues.

To restart Mac, enter control + command + Power button.

restart iOS

3. Create a testing account in safe mode

Don't feel bad if the above two methods didn't work for you. Try testing your account on safe mode! With this method, you need to create a new Apple account and test it with a safe mode that works properly in the new account. Here's your step-by-step process:

Step 1: Shut down Mac.

shut down mac

Step 2: Hold the shift key and press the power button to start with safe mode.

Don’t unpress the shift key until you see the Apple logo.

mac safe mode

Step 3: Go to system preferences and click on users & groups.

users and groups

Step 4: Next, click on the lock icon >> add the icon.

Then, enter the user details, including the password, if asked.

login options

Step 5: Now, you have a new account.

Choose Administrator in your new account and enter your full name for your testing account. Then, click on create a user.

create user

Step 6: Next, you will be asked to confirm creating the account without a password.

create user without password

Step 7: Click on the OK button and close the window.

Step 8: Restart Mac and log in with your new testing account.

Check the sound if it is working now. If your answer is yes, this means your old account is corrupted. So, contact apple support to resolve this issue.

account created

However, if your answer is no, move to the next solution!

4. Disconnect external speakers

Sometimes, Mac, no output device found error occurs because it is sending audio to other external speakers attached. So, cross-check the external devices and ensure they are unplugged.

external speakers

5. Check the audio settings

Another easy solution you can try is checking the audio settings on Mac. Here’s how you can do this.

Step 1: Navigate the system and preferences on Mac and then go to the sound option.

audio settings

Step 2: Click on the output button, then choose internal speakers.

Next, move the output volume slider to a higher notch and ensure the mute button is unchecked.

sound settings

Step 3: Now, check if you can enjoy the sound again.

6. Turn off Bluetooth

Check if Bluetooth is on, then turning it off makes sense since it sends sound to connected devices. Here’s how you can turn off the Bluetooth.

Step 1: Go to the system & preferences option and click on Bluetooth.

Check if it says on; then turn it off.

bluetooth on or off

If it says no, close the window and proceed to the next solution.

7. Reset NVRAM

If none of the fixes works for you, resetting NVRAM can help you out of the Mac no sound issue. Here’s how you can process the resetting.

Step 1: First, shut down your computer.

shut down

Step 2: After a few seconds, turn on the computer by pressing the power button.

And immediately hold down the command key + options/alt key + P and R simultaneously.

restart mac os

Step 3: Press all keys for 20 seconds until you won’t hear the start-up sound.

Step 4: Once done, your computer will feel refreshed with default settings, and you’re ready to go.

At this point, you might need to configure volume settings.

volume settings

Step 5: Now, test the sound if it is playing.

8. Update your Mac OS

Still, if you’re facing the no output device found error, then updating Mac OS can resolve all minor to significant glitches present on Mac. To update the Mac OS, follow the given steps.

Step 1: Go to app stores and choose updates.

software update mac

Step 2: Choose the latest Mac OS updates to update.

update software mac

Step 3: Wait for a few minutes until the updates won’t be installed.

Then, your computer will restart automatically.

Check now, everything is fixed, and you’re ready to enjoy the sound.

Part 3: How to Fix Corrupt Audio Files on Your Mac

Here is your bonus! If you want to avoid no output device, found Macbook air error, try Wondershare Repairit. First, it is not an application that resolves your error but helps you enjoy the sound back since it repairs corrupted audio files on your Mac.

Wondershare Repairit

1,010,994 people have downloaded it.

  • Repair damaged audios with all levels of corruption, such as audio not working, clipping audio, humming audio, rumbling audio, sibilant audio, out-of-sync audio, etc.

  • Repair audios of diverse formats, including MP3, M4A, FLAC, WAV, etc.

  • Repair damaged or corrupted audios from mutiple devices: portable voice recorder, recording software, shooting apparatus, SD cards, phones, hard drives, USB flash drives, etc.

  • Compatible with Windows PC, Mac OS, and supports PC to mobile transferring/sharing.

To help you out, I am sharing a step-by-step guide on how to use Wondershare Repairit to repair audio files on Mac. Here we go!

Step 1: First, you must download the Wondershare Repairit for Mac on your computer.

Step 2: To upload the damaged or corrupted audio files from your Mac, choose "More Types Repair" from the sidebar, and click "Audio Repair". Then press the "Add" button.

select audio repair

Note: Repairit's batch processing capability allows you to input numerous audio files in various formats and repair them all at once.

add files to repair

Once your audio files have been uploaded to Repairit, you can view each one's specific details and check the File Name, File Size, and File Path. Then, you can delete any audio file by selecting the trash can icon next to its information or by selecting the "Remove All" button at the bottom to eliminate all audio files that have been uploaded.

repair audio files

Step 3: Please click the "Advanced Repair" option to begin the audio mending procedure after verifying the uploaded audios.

You will see a new box telling you to add sound samples in the same format as the damaged audio samples.

advanced repair

Step 4: When the uploaded audios have been successfully fixed, Repairit will display a "Completed" status and the results of each audio's repair on the screen.

preview audio files

To hear a sample of the repaired audio, click the "Preview" button next to it. If you are happy with the outcome of the repair, select a location to save the repaired audios by clicking the "Save" button.

save audio files

After a few seconds, the successfully corrected audios will be saved.

audio files saved

The aforementioned steps must be followed in order for Wondershare Repairit to effectively save your audio files to the desired location on your Mac. You may easily retrieve your fixed audio files by going to the specified area where they are saved.

Bonus Tip:
Get a "no audio output device is installed" error on Windows? Check to Fix "no audio output device is installed" on Windows 11/10/7/8.


Congratulations!! You have learnt how to recover the no output device found MAC issue. Now, it's your turn to incorporate the best solution for your Mac. However, nothing is best to repair corrupted audio files than Wondershare Repairit. It is one of the leading tools to enjoy your device's audio hassle-free. Despite this, you must share the cause and fix that you will apply to your Mac computer. This will encourage us to keep posting tech solutions for you.