Playback Issues - Audio/Video & Power

Help with audio & video playback issues, TV display type recognition & compatibility, HDCP messages, troubleshooting playback errors, advertisements, and resolving power issues.
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Level 7

Just got the 2020 Ultra Roku and surround is MIA

I have a Roku to LG C9 to Vizio Atmost soundboard. Got a new Ultra to replace an older Roku. ON the old one I go to audio and it auto detects DTS and Atmos and everything. The new one it just detects stereo. Not pumping out surround at all. Any ideas?

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