https://us.community.samsung.com/t5/LED-and-OLED-TVs/un55tu700df-intermittent-dark-screen/td-p/2268848
Solved: un55tu700df intermittent dark screen - Samsung Community - 2268848
Jul 11, 2022 - Solved: I have this Samsung tv un55tu700df and one day the thing will be working fine and the next day or a few hours later the screen will - 2268848
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