Welcome and thank you for considering the SONY Community!
We're sorry to hear about the issue. You may try do a power reset on the TV and 4K player by unplugging it from the power outlet for 1 min then replugging it back,
For further assistance regarding your product, we highly recommend visiting our Sony Global Web site for information on contacting the Sony Support Center in your region at http://www.sony.net/SonyInfo/Support/
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