Try unplugging and replugging the cable to ensure a solid connection. Make sure the HDMI cable is securely connected to both the Mac and the external device. So, let’s get down to the issue of producing sound from HDMI on Mac and the way to fix that: Check the HDMI connection Fortunately, there are some ways to solve this trouble. It’s not a common issue, but sometimes there may be problems producing sound from HDMI on Mac. If not, you should continue with this article. You should now be able to see Mac’s screen on the external display.

Click Output to make sure the correct device is selected.

Set the external device as the main display. This is usually done by pressing the “Input” or “Source” button on the TV remote until you see the image from the Mac. Turn on the TV or monitor and set it to the correct input source. Make sure both ends of the cable are securely connected. Plug the other end of the cable into the HDMI port on the external device. Connect one end of the HDMI cable to the HDMI port on your Mac.

An external device with an HDMI port (e.g., a TV or a monitor)Īfter you have assembled the necessary components, connect the HDMI cable.

A Mac with an HDMI port (most recent models have one).

To connect an HDMI device to a Mac, you need: To begin with, it’s worth figuring out how to connect HDMI to Mac properly.

How to connect the Mac to a TV with HDMI.

What adapters should be used to connect your Mac to the TV.

Сhoose your TV as a sound output device.

Have you experienced the fast video playback bug on macOS? Have you found a better solution? Sound off in the comments below with your observations.

A few of the users that I have talked to who have encountered this bug regularly use Apple’s professional media apps like Logic Pro X and Final Cut Pro X.

In my case, I’m using an external audio interface, but others have expressed to me that the bug occurs without using an external interface. If fixed, video playback should go back to normal with sound and with standard 1x playback speed.Ī restart will fix the issue as well, but restarts take a lot more time than simply restarting the core audio daemon via Activity Monitor. Afterward, close Activity Monitor, and try to play back a video. Once coreaudiod restarts, it will reappear under the CPU tab. This will kill coreaudiod, but it should restart immediately. Click the ‘X’ button in the upper left-hand corner, and select Force Quit. To fix this issue, open Activity Monitor and under the CPU tab find the coreaudiod process.

Subscribe to 9to5Mac on YouTube for more videos Fixing the fast video playback bugīefore doing anything, be sure to save any work that you have open.

Macbook pro no audio from displayport