No sound from Display Port connected monitor in Macmini [Late 2012]. Sound from same monitor when connected with same cable to a to a MacBook Pro | MacRumors Forums
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display - No sound on external monitor connected to MacBook Pro by HDMI to USB-C cable - Ask Different
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Amazon.com: Plugable Thunderbolt 3 Dock Compatible with MacBook Pro and Thunderbolt 3 PCs (4K DisplayPort or HDMI, 1Gb Ethernet, Audio, 3 USB Ports, 85W Charging) : Electronics
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