Apple TV no longer connects to Samsung Smart TV

My ATV (newest version) worked just fine for many months connected to my Samsung Smart TV.  Recently, I updated the Samsung  Smart TV software.  The last update was 6 months back.  Now ATV does not  work.  ATV has been connected to HDMI4 and worked just fine. Any  suggestions?   Many thanks.

John4919 wrote:
Samsung advised me to unplug the power to the ATV and reconnect it.  It now works...strange such a simple solution fixed the problem.
First rule of troubleshooting ANY electronic device. Unplug it and plug it back in. Works 90% of the time on anything.

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    Message was edited by: iLuxo
    Message was edited by: iLuxo

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