LG 4K TV 55UU640C network menu missing and advanced options greyed out HELP | AVForums
Factory Reset is GREYED OUT on Samsung Smart TV? Easy Fix! - YouTube
Factory Reset is GREYED OUT on Samsung Smart TV? Easy Fix! - YouTube
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Samsung TV Broadcasting Not Available / Greyed Out (FIXED!) - TechProfet
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Why do my sound settings keep getting greyed out? They only come back after I reset the entire TV back to factory defaults (meaning I have to reinstall and log back in