macOS 13 Ventura BREAKS Panasonic TV connection via HDMI

macOS 13 Ventura BREAKS Panasonic TV connection via HDMI.


The "Apple - System Settings - Displays" shows the Built-in Display ONLY. The Panasonic Smart Viera TX-L47DT60E television (TV) is not shown, even after pressing the Option key and "Detect Displays". Nothing else is detected.


Is there a way to fix it, or is it a Ventura bug?


No problem with previous macOS versions, including Sierra, Big Sur or Monterey, in which such TV automatically showed in "Apple - System Preferences - Displays".


System: macOS 13.3 (22E252) Ventura on iMac 27-inch Retina 5K display 4.2 GHz Intel Core i7 7th-generation; model identifier iMac18,3 mid 2017) 40 GB RAM.


Also reported by others at


HDMI issues - Ventura - Panasonic TVs

https://www.reddit.com/r/MacOS/comments/113b4qt/hdmi_issues_ventura_panasonic_tvs


MacBook Pro running Ventura can't get connection to TV using HDMI cable.

MacBook Pro running Ventura can't get con… - Apple Community







iMac (2017 – 2020)

Posted on Apr 8, 2023 11:50 PM

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50 replies

May 21, 2023 3:21 AM in response to ApMaX

I have the same issue. Our 2019 intel iMac connected fine to our Panasonic Viera TV until the upgrade to Ventura. Now when plugging in HDMI the TV does not respond with no sign that it is detected on the iMac despite trying all the usual tricks recommended on-line for HDMI connection problems.


We have a partition on the same iMac still running OS X Mojave for 32-bit programmes, and when I boot using that partition the display will show up on the TV without any problems. Unfortunately Mojave does not have Apple TV so we cannot view movies playing on the iMac across on the TV any more.


I am hoping that an update to Ventura will fix the problem but no luck with the first updates. I have tried changing many of the video settings on the TV without getting any positive results either.


I would appreciate any further suggestions - otherwise will just wait and hope!

Jun 4, 2023 3:06 AM in response to JonK89

Thanks. Sure, but it is also a great idea to report to Panasonic (if possible, even to the headquarters in Japan), so that they know about this frustrating problem and report to Apple. If Panasonic does it, Apple will probably fix it.


There is not much time now, since probably a final macOS 13 Ventura update will be released in July to September or so, and some Macs cannot be upgraded beyond Ventura. It is now or never. The more reports that Apple receives, the better chance for them to fix it.

Jun 6, 2023 2:08 AM in response to ApMaX

I have since reported the issue directly to Panasonic, and then spent a long while yesterday on the chat and phone to Apple using Applecare which we still have active. I was able to demonstrate on video the TV mirroring perfectly on our Mojave partition and on another Mac running on Monterey and then not working at all with the same cable and connection on Ventura. None of the suggested fixes solved the problem as expected given what many have tried already. I highlighted the Apple Community discussion and felt the technicians very much understood the problem. There was an indication that Apple would discuss with Panasonic so here's hoping.

Cheers.


macOS 13 Ventura BREAKS Panasonic TV connection via HDMI

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