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I'm on the fence about this solution, but I would like to control the volume from my Mac (as opposed to the speakers themselves). To control the audio from a Mac the presenter would need to walk to the wall and control the volume from there. For example at my work we have a wall mounted HDMI cable for our conference rooms. Appleās design choice to disable HDMI control from the computer is just plain lame. Supporting CEC requires built-in hardware support for this. To change the volume of the HDMI connection within the Mac requires either first converting the sound to analogue, modifying it, and then converting it back to digital, or it requires the Mac to support the CEC aka Consumer Electronics Control standard as mentioned in my previous reply.
#MAC TECHNICAL SUPPORT POP UP CHROME SOFTWARE#
Enable Mac Volume Control for HDMI and DisplayPort Audio Devices When you hook up an HDMI TV or DisplayPort monitor with built-in audio device, you might discover that you can't change the volume with the Mac software mixer any more. All postings and use of the content on this site are subject to the. Apple disclaims any and all liability for the acts, omissions and conduct of any third parties in connection with or related to your use of the site. Apple may provide or recommend responses as a possible solution based on the information provided every potential issue may involve several factors not detailed in the conversations captured in an electronic forum and Apple can therefore provide no guarantee as to the efficacy of any proposed solutions on the community forums. This site contains user submitted content, comments and opinions and is for informational purposes only.