![Is it necessary to change your HDMI cables to enjoy 4K Ultra HD & HDR picture? (2021) - Son-Vidéo.com: blog Is it necessary to change your HDMI cables to enjoy 4K Ultra HD & HDR picture? (2021) - Son-Vidéo.com: blog](https://i0.wp.com/blog.son-video.com/wp-content/uploads/2019/07/Jura_HDMI-OPTIC_pers-Blog.jpg?fit=900%2C619&ssl=1)
Is it necessary to change your HDMI cables to enjoy 4K Ultra HD & HDR picture? (2021) - Son-Vidéo.com: blog
![Hello, does anyone know why I can't modify my HDMI Black Level, it is set to auto, and when i click on it it says "this function isn't available". TV: Samsung MU7000 Hello, does anyone know why I can't modify my HDMI Black Level, it is set to auto, and when i click on it it says "this function isn't available". TV: Samsung MU7000](https://preview.redd.it/hello-does-anyone-know-why-i-cant-modify-my-hdmi-black-v0-e3bwgy1gjxz91.jpg?width=640&crop=smart&auto=webp&s=cf19d49c4a56ae76d35df3eca4d65bdcb24d93f6)
Hello, does anyone know why I can't modify my HDMI Black Level, it is set to auto, and when i click on it it says "this function isn't available". TV: Samsung MU7000
![LG NanoCell TV - How to Enable or Disable HDMI Ultra HD Deep Color? LG 4K LED Smart TV (49NANO867NA) - YouTube LG NanoCell TV - How to Enable or Disable HDMI Ultra HD Deep Color? LG 4K LED Smart TV (49NANO867NA) - YouTube](https://i.ytimg.com/vi/1Mot3ubrslI/maxresdefault.jpg?sqp=-oaymwEmCIAKENAF8quKqQMa8AEB-AHUBoAC4AOKAgwIABABGD4gQih_MA8=&rs=AOn4CLAXhq_c8lWHCWFRXbOpBH_oBlnBYw)