chromecast is turning LG TV on off on off

gortonian — Wed, 26 Mar 2025 13:21:09 GMT

Hi,

i've been using this fine for >2yrs without issue. Now for about 2months it turns my (non-smart) TV on off on off.

I have factory reset the googleTV and it is fine for about a minute, then back to cycling the TV on off on off.

I remove the chromecast and as long as the batteries are out of the remote, then the TV is fine.

I am currently using it with a computer monitor.

I read that chromecast uses a wifi signal to communicate with the dongle, which can be similar freq to that of the IR signal that the LG TV uses. (I do use HDMI-CEC and for years had no need to use the LG TV remote control. I have searched to disable HDMI-CEC on the TV to no avail and disabling it on googleTV does nothing, it just reverts)

There must have been a firmware update this year that has changed something, can I revert ..or swap for a newer model?

Re: chromecast is turning LG TV on off on off

Rusell — Sat, 29 Mar 2025 18:50:26 GMT

Hi Gortonian,

Thank you for posting in the community. I understand that your Google Chromecast is turning your LG TV on and off. I appreciate the information you shared and the troubleshooting you did. I'm happy to help you!

To help me find the best solution, I'll need to ask you a few question:

What kind of Google Chromecast do you have?
Have you already used another HDMI cable?
Is there any damage to the HDMI port?
Have you already connected the Google Chromecast to a different TV?

Keep me posted.

Best regards,

Rusell.

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chromecast is turning LG TV on off on off

Re: chromecast is turning LG TV on off on off