Hi Juliomez, Thank you for your feedback on the Samsung U7900 TV and your experience when watching fast-motion content. If the picture appears blurry or unnatural during high-speed scenes, there are several settings you can adjust to improve motion clarity. Go to: Home > left directional key > Settings > All Settings > Picture > Expert Settings, and review these key settings: Picture Clarity Settings • Off: Disables all motion enhancement • Auto: Automatically adjusts motion clarity based on content • Custom: Enables manual control of: o Judder Reduction: Smooths motion in film-based content o LED Clear Motion: Increases sharpness during fast movement o Noise Reduction: Helps reduce distortion in lower-quality sources Additional Picture Controls • Brightness – Adjust overall image brightness • Contrast – Controls the difference between light and dark areas • Sharpness – Enhances the definition of object edges • Color – Adjusts color intensity for more natural or vivid tones We hope these settings help improve your viewing experience, especially with fast-moving content. If you'd like further assistance, feel free to reach out to Samsung Support at 1-800-SAMSUNG, 8AM – 12AM EST, 7 days a week. LiveChat is also available via the ‘Support’ link on our website. ~ Samsung Advisor