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  1. Adam Gregorich

    Samsung 65 4k tv and uhd setting..

    I haven't tried that. Some TVs only support full 4K HDR signals on certain HDMI inputs. If that is the case for your TV you may find that your ARC input isn't one (check your manual). If there are problems, you may just have to flip the setting on or off for 4K sources, or set your AVR to...