![]() If yours doesn’t show this then you might have an older MacBook or other Apple Mac product and might then need to have a separate audio cable hooked up to your TV. Look for your Audio (Built In) and make sure that there’s an HDMI / DIsplayPort Output option, like so: Now, if it’s still not working, launch the “System Information” application that you’ll find in “Applications” > “Utilities”. Easy once you realize that it’s not an automatic switcher. ![]() Once I’ve switched the output audio, it should automatically be feeding audio to the TV so a quick test with the movie trailer should work great, audio and video both. ![]() It just means that I’ll have to adjust the volume on the TV itself rather than on the computer. “The selected device has no output controls”. I click on “Samsung” and get an interesting warning message at the bottom: See the second choice down, however? That’s what we want, for the Samsung HDTV we’ve plugged into: The default audio output is “Internal Speakers”, so it’s no surprise that while we’re seeing the video on the TV, the audio is still being piped out of my MacBook Pro speakers. To switch it, choose System Preferences off the Apple menu, then look for “Sound”: It all looks good, but the audio is coming out of my computer even as the video is being fed to the HDTV.
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