Be sure to change this setting to full range in the TV Output section! It will let the Switch use the full RGB range on your TV/Monitor, making the image have better,
TechSpace :: Knowledgebase / How to Avoid Washed Out Colors When Using HDMI on Your PC
RGB: Full vs. Limited – ReferenceHT
TechSpace :: Knowledgebase / How to Avoid Washed Out Colors When Using HDMI on Your PC
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