Samsung Q80R

Tv runs on by itself approx 4-5 minutes after being turned off. Any ideas what the problem could be?

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Clarification Request
"runs on"?

Some smart TVs update when you turn them off. So I'm unsure what you are telling the forum here. Other than it runs for 5 minutes after your turn it off, it works fine? If so, call Samsung and ask them to explain. In the USA it's 1800SAMSUNG and for other countries look at

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Meant turns on

Sorry. Typo. 3-5 min after the tv had been turned off it will turn back on.

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That is usually when the TV has an Internet connection and

It is checking for an update. You will have to think about how you want to tackle this one. I like to disable the smart TV bits and use a Roku or Amazon Fire stick or box.

There's also a chance that some HDMI CeC (what that is is one the web) is giving a command to turn on like a cable box or other. As a test to sniff out which area it may be, unplug the HDMI cables, turn it off and see if it powers up. If it doesn't then it's 99.99% sure it's a HDMI CeC issue. For that you dive into HDMI settings on the TV and the box that called for the power on.

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