After all, you have updated the macOS to the newest macOS Mojave. A lot of new functions are now available to use in macOS Mojave, and you will enjoy MacBook UI and supportive features. On the other side, you have to deal with few bugs they will act as a roadblock in your journey. When my colleague updated the Mac to macOS Mojave, he was facing sound not working on Mac in macOS Mojave. Then after trial and error method, we tried to fix the sound not working in Mac and the trick worked.
So I would like to share some useful tips regarding fix Audio won’t work in macOS Mojave.
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- This Solution also fixes the following problems:
- Mac volume buttons not working
- no output devices found Mac
- internal speakers not working Mac or no audio sound when you playing online video on browsers like Safari, Google Chrome
- External speakers not working on Mac or annoying popping noise when playing Noise volume or video.
Fix Audio-Sound not working on Mac
- Whatever media player are you using on Mac check the volume controls are not turned down if the volume is low then boost up the volume? If your Mac Volume locked on mute then get solution below.
- Play different audio file, DVD or CD or any other file on your Mac to check if the problem is with a particular file or not.
If you’re listening to music on Mac’s inbuilt speakers then,
- Remove External speaker or headphones.
Step #1: Click on “Apple Menu”.
Step #2: Open “System Preferences” and click “Sound”.
Step #3: Select the Output devices as “Internal Speakers”.
Step #4: Also check the “Output volume’s” slider is on the right side.
Step #5: Besides, also make sure that the “Mute” is not selected.
Run Command into Terminal to fix a Sound issue,
- Open the Terminal app to run a command on your Mac.
- Type: “sudo killall coreaudiod” and press Enter to run. Hope this command work and fixed.
If you’re listening to audio through external speakers then,
- Properly plug in the external speakers in the audio port in your Mac or Display port. Also check the proper power supply, if necessary. Make sure external speaker is turned on and try to adjust the volume of the speaker.
- Let’s check,
Step #1: Click on “Apple” icon and open “System Preferences”.
Step #2: Click “Sound” and then click on “Output”.
If your PC has an only single audio port, then click on “Use audio port for” and select Sound Output and select the external speakers.
- If the headphones or external speakers are connected to USB port then,
Step #1: Open “Apple” menu and then click on “System Preferences”.
Step #2: Click “Sound” and choose “Output”.
- In addition check, external USB speakers are chosen,
Step #1: Go to “System Information”.
Step #2: In the “Hardware” section, select “USB”.
Also check the connected speakers are on the list and if they are not, then unplug and re-plug the speakers. Still, the external speakers are not responding then prefer manual guide of the speaker.
If you are using HDMI external Display’s port with sound, then try this,
- Unplug the speaker or headphone.
- Also, check all the cables of the Display are perfectly connected to the Mac.
- Try this,
Step #1: Tap “Apple” menu and open “System Preferences”.
Step #2: Open “Sound” and click “Output”.
Step #3: Select “Display Audio” from the “Output” device list.
If you are using Digital receiver then,
- Digital port is not available in all the Mac, but if your Mac have then,
Step #1: Click on “Apple” menu and select “System Preferences”.
Step #2: Click “Sound” and select “Output”.
Step #3: Again, select the “Digital Output”.
- Verify the Mac is properly connected with the digital-ready receiver through optical digital cable. Apart from this, check the Digital receiver is set up to the option Digital Input.
- Adjust the volume of the receiver because when you connect the digital receiver, Mac’s control can’t be used to adjust volume.
In case of the internal speaker not working then Try external speakers as an output device
You should Re-install macOS Mojave using create bootable USB installer
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You can also Downgrade from Mac Mojave to Mac High Sierra.