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I have a MacMini M2 Pro with Sonoma. I'm trying to change the output resolution to 720P. Went to Displays and selected the YellowBrik output to 720P. (No EDID settings choice) What its doing is keeping the 1080P resolution on the output of the MacMini but changing the content to 720P or just making the windows larger within the 1080P container. How do I change the actual output to 720P?
gkajikawa wrote:
These are mirrored.
In Mirroring Mode macOS chooses the optimum resolution for both displays and does not allow you to choose different resolutions for each display.
The only way to get separate resolutions choices for each display, is to turn Mirroring Off and run Extended Displays.
You need to be careful because selecting some "unsupported" resolutions may make the display unusable and unable to switch it back.
I have a control panel (settings) app called SwitchRezX that allows setting most any resolution. They do say in their documentation that you could risk losing the use of the display if certain combinations are chosen. Also mentioned, is that an OS update or upgrade could also cause loss of the display when selection certain combinations.
The HDMI is connected to an HP 23.5” monitor and the USB-C converter to HDMI and connected to a Yellowbrik HDMI to SDI converter. The converter is native 1080p EDID. These are mirrored.
whatever the Display setting is set to it always outputs 1080p.
When out is set to 720P the output resolution doesn’t change just the image changes, image is enlarged but the entire raster goes beyond the edge of the monitor.
I don’t need separate resolutions. I only need 720p mirrored on both outputs.
The mac output won’t override the EDID. I’ll need an external EDID manager to force the Mac to change resolutions.
The older Mac that is being replaced allows resolution change and works properly.
Try Display Menu from the Apple Store.
https://apps.apple.com/us/app/display-menu/id549083868?mt=12
If Display Menu doesn't show a 720p resolution, try 1280x720 or whatever is closest to that.
What make/model display and how is it connected to the Mac mini M2 Pro...?
go to Apple > System Settings > Display > click Advanced > turn on Show resolutions as list > click Done
It does show 720p but the output doesn’t change. It stays 1080p and when I change the res to 720p the image enlarges but within the 1080p window.
Perhaps it is not possible going thru the YellowBrik box.
For support check at > https://lynx-usa.com/yellobrik-products/
It works as expected on an Intel Mac. It’s either the OS or the M2 that is treating output resolutions differently.
How do I change the MacMini M2 Pro output to a different resolution?
