There are no user serviceable parts inside so try the usual reset. Unplug all HDMI, USB and power cords, wait over 10 minutes and then try again.
Hi.I have a Samsung smart tv. Recently when I switched it on the channel number didn't display neither did the smart hub show up .after running for 2 mins or so the picture froze. I turned of nd switch on again same thing happend.can anyone please suggest me how to fix it. Thanks.

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