How to enable HDR on external monitor on Sonoma 14.4

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Level 1

4 points

How to enable HDR on external monitor on Sonoma 14.4

When I go to the display setting on macOS 14.4 there is no option to turn HDR on/off for my external 4k monitor that supports refresh rates up to 144 Hz. When I change the refresh rate to anything below 120 Hz (like 98, 60, etc.), the option for HDR magically appears. I did not have this issue on previous versions of macOS. I had the option to turn HDR on/off even on a 144 Hz refresh rate.

While I was writing this post I realized that the problem is not just the refresh! Although my monitor is 4k, currently I am using 2560 x 1440 as the resolution. Changing it to 4k or 1080p makes the HDR option appear regardless of the refresh rate (I can have HDR on at 4k/FHD at 144 Hz). I am so confused. What does having the option to turn HDR on or off have to do with the resolution you set for your monitor?

[Re-Titled by Moderator]

Windows, Windows 10

Posted on Mar 16, 2024 8:17 PM

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Answer 1

a brody

Level 10

84,743 points

Mar 17, 2024 6:21 AM in response to __Ali__

You may find that restarting your computer helps if you have an Apple Silicon (newer than 2020 machine).

Older Macs than Apple Silicon, Reset the SMC of your Mac - Apple Support.

SwitchResX and DisplayConfigX are third party utilities that show more finite resolution options that Apple doesn't show in its own display. EasyRes is another one, which adds a menubar icon to make those modifications.

I haven't tried it in your scenario, so I can't say if that will work to help you.

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Answer 2

__Ali__ Author

Level 1

4 points

Mar 31, 2024 10:09 PM in response to a brody

Thanks for your response. Restarting does not help. I have a MacBook Pro 16 M1. HDR option is still not available (to turn it on or off) for any resolution other than 4k and 1080p.

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How to enable HDR on external monitor on Sonoma 14.4