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Lost Audio after adding new RX 570 to 3400G Build

Question asked by k427262 on Apr 11, 2020
Latest reply on May 19, 2020 by sharp14
Hello. My pc was working fine prior to adding a brand new AMD GPU (Radeon RX 570). 
Since adding it, I have completely lost audio over HDMI.  Old setup (works great): MSI Motherboard Ryzen 5 3400G CPU Samsung TV, plugged into motherboard HDMI port.  New setup (no audio, everything else fine): MSI Motherboard Ryzen 5 3400G CPU Radeon Rx 570 GPU Samsung TV, plugged into GPU HDMI Port  In the windows sound options, I have no available sound device (everything says "not plugged in").
I have installed AMD Adrenaline without issue - I think this should have handled the GPU drivers.
It almost seems like a conflict between the AMD GPU and AMD APU?  I've attached several pictures to show my system. Please let me know if you need any more info.
I'm a software engineer and am technically savvy.  Thanks in advance.

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