No sound when connected to bluetooth speaker on mac computer?

Troubled by the fact that there is no sound when connecting a Bluetooth speaker to your Mac computer? Don't panic! PHP editor Zimo brings you a convenient guide to help you troubleshoot and solve audio problems one by one. This guide will detail the common causes of silent Bluetooth speakers and provide practical solutions so you can enjoy your music to the fullest.

Check the volume

First check whether the Mac is muted, press and hold the F12 shortcut key or slide the menu bar sound slider to adjust the volume. Also check whether headphones or other audio devices are connected to the Mac audio port.

Check audio settings

If you connect headphones or other devices, you must check the input/output audio device settings. Sometimes driver errors can occur due to incorrect settings.

Launch System Preferences, select Sound, go to the Output tab, and make sure you select the correct audio output device. In case you mistakenly connect to a Bluetooth device instead of playing through your Mac's speakers.

To better check the output device, we can use the audio MIDI setting tool (search directly with the system search tool).

The audio channel, bit depth, format, and rate can be set in the built-in output. Exit the app after making adjustments and try playing the audio again.

Reset Core Audio

If there is a problem with the core audio coreaudiod, it will also cause the system sound to stop working or be distorted. In this case, you can try to restart coreaudiod.

Open Activity Monitor, search for coreaudiod, select it and click Force Quit. Coreaudiod will automatically restart after exiting.

If it doesn't restart (which rarely happens), shut down and restart your Mac. If the Mac cannot be restarted, you can also use the launchctl command to start the daemon and reinitialize coreaudiod.

sudo launchctl start com.apple.audio.coreaudiod

Third-party audio application issues

Using third-party audio applications may cause the sound on your Mac to not work properly. Since there are so many audio applications for Mac, it's impossible to provide an exact solution for every application. But in general, you can consider the following methods:

New versions of MacOS have software incompatibility issues, especially MacOS Catalina. Application software must first be "notarized" by Apple's security system. At this time, you can update the MacOS system version to make the software and system compatible.

Every audio application stores a configuration file in the Audio MIDI Setup Utility. If you see an error such as "Error in Core Audio's sound driver," delete the configuration file and restart the application.

Reset NVRAM

NVRAM is a small amount of memory that your Mac uses to store various types of settings, including volume, display resolution, time zone, and more. Resetting NVRAM can help clear glitches on these and other properties.

Shut down the computer, then turn it on and immediately press and hold four keys at the same time: Option, Command, P, R. Release after about 20 seconds to reset the NVRAM.

Check the output device and port

If the system speakers are normal, but there is no sound when connecting to external devices, you can first check whether the output device is damaged and whether the port is blocked by dust. You can try to replace the device or unplug it. Unplug and reconnect the device.

Sometimes when an external device is connected, the sound continues to come from the system speakers. First make sure your device is compatible and there is no damage, then open System Preferences > Sound > Sound Effects to make sure the correct sound output device is connected.

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