How to turn off the HDMI2 popup that keeps happening every 15 minutes?

[Michael Ausec]

I purchased a LG OLED TV in December 2017.  It is great, except for one annoyance. Every 15 minutes, a  HDMI2 popup appears in the center of the screen. It disappears after a few seconds.  This repeats ad infinitum.  My TV connections are  very simple.  One coax cable input to the Cable Box.   HDMI output from the Cable Box  to the TV's HDMI1 input.   The coax output from the Cable Box is connected to a Magnavox DVR.  The DVR is connected to the TV's  HDMI2 input .   The DVR is "off" when we watch normal TV on the HDMI1.   I've searched the internet for a solution, without success.  Any ideas?

[FreezerMoosh]

That pops up when a devices screen changes, which is connected to hdmi2. I am not to sure how to turn it off but it might be the dvr sending some sort of Audio or visual output. Turn off the dvr at the plug and it shouldn’t do that.


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[digidog78]

Or maybe try swapping out the hdmi cable being used.

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[protectionman]

Is there a special HDMI cable like 48 GPS?

 

[Lgrump]

These answers are all useless.

 

Lg what gives?