No audio


Jack Straw

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I am trying to display computer video and audio on my tv. The machine is a Late 2012 iMac. I have connected an HDMI cable from a Thunderbolt port to the tv. Tv shows the video but there is no sound. Any thoughts on the subject will be appreciated. Thanks for looking.
 

Cory Cooper

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Hello,

-What version of OS X/macOS?
-What brand is your Mini DisplayPort to HDMI adapter?
-Are there any settings in the TV for the HDMI input and sound?

C
 
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Jack Straw

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Many thanks for your reply...
OS: Sierra 10.12.5
Mini Display port: Cirago (don't know & can't see a model number)
TV is an older LG flat screen with a single HDMI input. However I have connected a 4- port automatic HDMI switch in order to accommodate a cable box, DVD player, Chromecast & computer. There is no sound even when i make a direct connection from the computer to the tv and bypass the switch.
 
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