How to reset a normal color on HISENSE H55U7A Ultra HD Smart TV

How to reset a normal color on your HISENSE H55U7A Ultra HD Smart TV You wanted to watch TV when, suddenly, you noticed your HISENSE H55U7A Ultra HD Smart TV displayed catastrophic colors! Fluorescent, black and white, colors too saturated, or a burr in the colors at startup… These color problems are really unpleasant for …

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