What Does 🚫 Mean on Mac Volume?

You’re trying to turn up the sound on your keyboard buttons, but nothing happensβ€”and now you’re wondering what the 🚫 means on Mac volume? The canel symbol is a locked volume error that can be quickly fixed with the help of our MacKeeper’s Premium Services team, who can walk you through a solution to your volume troubles.

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What Does 🚫 Mean on Mac Volume?
Written By   Tanya Ellis
Published: January 16, 2026

If you’re not sure what the cancel symbol means, it’s your computer's way of alerting you to a locked interaction when trying to adjust audio output. This error can occur if you’re connected to an external device, like an HDMI or a TV, as the volume might not allow changes via your MacBook device, thereby triggering the cancel symbol on your Mac.

Before we start: 

 

Would you prefer your music and audio to play through extra headphones, but you’re unsure how to connect Bluetooth headphones to Mac? We can help, as our supporting blog will walk you through all the relevant starting with how to turn on Bluetooth on Mac, pairing your device, and how to troubleshoot in case of any connection issues on your MacBook.

Why 🚫 appears on the Mac volume?

Should you see the 🚫 symbol appear on your Mac when you’re trying to adjust your volume, it’s likely your computer's way of telling you that Mac sound is not working correctly. This error is likely to pop up if your Mac is plugged into external audio speakers or if your system is detecting a jam inside your headphone port.

How to diagnose volume issues on Mac?

We understand how frustrating it can be when you see the Mac volume cancel sign, and diagnosing the issue can be equally challenging. Our recommendation is to open System Settings to look at your output optionsβ€”it’ll show you where your audio is playing from, either through your computer speakers or via an external plug-in device.

1. Checking which audio output is selected

Finding out where your Mac’s sound is meant to be playing from can help get rid of the pesky cancel sign for good. Open up your Sound Settings and check what Outputs you’ve selected to ensure no volume restrictions or interruptions are triggering the 🚫 symbol.

 

Let us show you how:

  1. Click on the Apple Icon and select System Settings.
  2. Go to Sound.
  3. Click on Output and choose the location you want your music to play from, like MacBook Air Speakers, an external speaker, or headphones.
To check which audio output is selected, begin by opening System Settings and clicking on the Sound Tab. From there, go down to Outputs.
Step 1. In System Settings, go to the Sound tab and click on Outputs
From the output list, you can both check and select where you want your music, sound, and audio to play from.
Step 2. To choose where you want your audio to play from, select your preferred Output from the list

2. Verifying built-in speakers vs external devices

Is your MacBook speaker buzzing as you flip between websites or applications? If it is, you can easily check where your audio is playing by accessing the Control Center in the top-right corner of your Mac. From our test, this makes switching or verifying your audio output when moving between apps more efficient, especially if you suspect the buzzing is coming from an external device.

 

Here’s how to access the Control Center pop-up menu to monitor your audio output:

  1. In the top right corner of your screen, click on the Control Center.
  2. Then look at your Sound Output.
  3. Click on the arrow for more infomration or to change your output.
If you’re on a website or flipping through apps, you can easily verify your sound output in case you're having the cancel symbol issues. Just click on the Control Center icon and go to Sound.
Step 1. Click on the Control Center icon in the top-right corner of your screen and look at your Sound
To confirm or change your output, click on the arrow next to sound and look through the list of audio outputs. Select your device speakers or your external Bluetooth device, depending on where you want your sound to come through. Just be aware that an external device might limit your keyboard control over the volume in some cases.
Step 2. To check your sound output, click on the Arrow and check that the right audio output is selected

A note from our experts: 

 

Still having no luck at getting rid of the Mac volume cancel sign? Allow MacKeeper’s Premium Services to come to your aidβ€”you’ll be connected to one of our Apple matters connoisseurs who’ll offer tailored, troubleshooting solutions to help you finally regain control over your volume.

 

Here’s a reminder of how to access MacKeeper’s Premium Services:

  1. Download and open MacKeeper.
  2. Click on Premium Services.
  3. Got to Chat Now.
  4. In the chat, explain your volume issues, and one of our experts will walk you through the right steps to get your sound issues resolved.
If you’re still unsure how to stop the cancel symbol from popping up when trying to alter your volume, you might want to open the MacKeeper app and go to Premium services for some tailored support. Just click on Chat Now and explain the issues you’re having.
Step 1. For volume help, open the MacKeeper app and go to Premium Services
Once you’re connected to one of our tech experts, we’ll help share the best troubleshooting steps to combat your volume or audio issues–getting you back on track in no time.
Step 2. You can use the chat function to get advice on dealing with the cancel symbol on Mac

How to fix the cancel symbol on the Mac volume?

Our troubleshooting steps should have fixed your volume issues. If not, try the extra methods we’ve stated below.

Quick fixes:

  • Toggle your Output on and off in Sound Settings
  • Restart Mac

Advanced solutions:

  • Unpair/Pair Bluetooth devices
  • Reset PRAM/NVRAM
  • Check audio HDMI settings

A final helping hand: 

 

Are your Mac volume buttons not working? This could be a sign of malfunctioning audio drivers or interference from other software–both are very serious issues that need resolving fast. To help, our supporting blog shows how to find the culprit and make sure your volume key buttons function correctly again.  

Fix issues with the cancel symbol under MacKeeper’s support

Now that we’ve shared how to fix the annoying 🚫 symbol on Mac volume, you should be able to use your keyboard buttons to adjust your audio exactly how you want it–as loud as you like and playing from your preferred output. Should you ever hear buzzing or no sound at all, check your output in Control Center, just in case it was changed without realizing it.

 

We’ve also spoken to many Apple users who said that it’s very common for the sound to be coming out of a Bluetooth device they didn’t realize was still connected, so that’s also worth checking. If you need some extra support, start a chat through MacKeeper’s Premium Services and share the details of your issue with our experts. Our helpers with get you back to listening to your music uninterrupted in no time.

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