Sound issues when connecting your Mac to a TV with HDMI? Try this
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USB C To HDMI not working On TV. : r/mac
Troubleshoot: No HDMI signal in Mac OS Catalina
FIX: HDMI connection not working on MacBook
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Fix: HDMI Sound Not Working Mac
Best Solutions for HDMI Not Working Mac Users Can Try
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How To: Connect Your Mac With HDMI - YouTube
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Beware! USB-C HDMI Adapters are Flaky with 2016 MacBook Pro - Stephen Foskett, Pack Rat
MacBook Pro ports: All the things you can now plug into your new laptop - CNET
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HDMI not working on rear left USB-C | MacRumors Forums
