Solving playback issues

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

Poor picture quality on Roku through LG 4K smart TV

I have poor picture quality through my Roku on my LG 4K smart TV.  I’ve tried a number of troubleshooting options to no avail.  My internet connection is good. Please help.

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