Here are some solutions you need to follow to fix Mac HDMI no sound. Moreover, the HDMI output does not have sound if the HDMI device is not selected as the default device.

Another reason is that if you attach the HDMI cable to an already turned-on TV, the sound won't function. The first reason is that your system may occasionally have a bug that is creating audio issues. There are some reasons why there is no HDMI sound when you are connecting HDMI to a MacBook. Part 2: Why there's No Sound When Connecting HDMI to Macbook? Although HDMI and DVD are 'completely backward-compatible,' only Video, not audio, may be transmitted via HDMI when a DVI-equipped device, such as a Mac mini, is connected to an HDMI-equipped TV or vice-versa. The main advantage of HDMI on Mac is that it offers a fully digital signal that sends audio and Video over a single connection, simplifying things. When you do, your Audio Preferences will refresh themselves with their Default Values.04 How to Connect HDMI to Macbook to Watch Videos Part 1: What's The Advantage Of Using HDMI On Mac? Make sure to Restart your computer after you empty the trash. So if you do not see these files, it is okay to proceed. These were used for 1st Generation devices. Your HD will then appear on your desktop.Īlso, note that the FocusriteUSB.kext and NovationUSB.kext mentioned in the above video may not appear on your system.

(top menu) > General > under 'Show these items on the desktop' make sure Hard disks are ticked. If you don't see your HD on your desktop or in Finder, go to:įinder > Preferences. Note that your Mac HD might be named differently.

If you do not see this file, go to the next step.Īfter doing all the above, you need to ensure you empty your trash and restart your Mac. Note that '.plist' might not show up on your Mac. Issues such as glitches, disconnects, dropouts, and generally odd behaviour can often be resolved in this way.įinder > Go (top menu) > Computer > Mac HD > Library > Preferences > Audio and in there please delete the two preference (.plist) files:įinder > Go (top menu) > Hold down the 'Option' (or 'Alt') key and click on the Library folder that appears > Preferences. If you are experiencing issues with audio on Mac OS X or macOS, it's a good idea to delete your Audio Preferences, as it's possible that they may have become corrupt. At this stage, we would suggest contacting an Apple specialist for further assistance. *Please note that if you do not feel comfortable with the outlined steps or encounter any errors during the process, please do not proceed.

Macbook pro no audio devices