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I used to use a macbook pro instead of this new mac mini. I never had a probleme with any other input. So, it’s coming from the cable using? The receiver? The projector? What do you think? I thought it was coming from the hdmi port or adaptater but it looks like not. Strange things, it never happened when i am on safari doing some research or watching a video.
#Hdmi not working mac mojave movie#
No good results.Īlso, it happened usually when watching a movie through the Kodi app or directly on the desktop. Using hdmi with display port adaptater, it’s coming black screen.Īll the HDMI cables that i am using are quality standard. Using hdmi direct, it’s coming blue like there is no source on projector. The only difference is coming from the black screen. I unplugged the HDMI cable and plugged it into USB-C using an adapter. I also checked the connection and upgraded the OS to the latest one. The monitor and cable works well with other computers.
#Hdmi not working mac mojave full#
I am using one display port connected via one TV full HD using an apple adaptater.įor the hdmi port, everything works fine except that the screen goes black intermittently and comes back after 3 or 5 seconds. I found one that was interesting: display dimensions.I am using the hdmi port connected to my receiver and then projector. So I set out to look for evidence of other fields MacOS respects in an overridden EDID. While investigating the status of this issue on Big Sur, I tried the displays around my house (three monitors and a TV), and none of them suffered from the color space issue. Appendix 1: Other Things You Can Override Or, if you’re really motivated, perhaps look into solving the problem in hardware with an EDID emulator. If you’re in this unenviable position - a problematic display with an M1 Mac - you might have no choice but to shop for a new monitor. This may be the last hurrah for overriding EDIDs on MacOS, though, if Apple doesn’t decide to make it work on ARM Macs in the future. I hope that this post is useful for anyone dealing with this now several-year-old problem on Big Sur.
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Download and run patch-edid.rb and take note of the directory it produces (e.g., DisplayVendorID-10ac).
#Hdmi not working mac mojave how to#
The StepsĪs of MacOS Big Sur, here’s how to override your display’s EDID to force RGB mode: Unfortunately, it looks like the workaround doesn’t work on M1 macs. But I see reports of success ( here and here), so I’m going to go with “yes”, at least on Intel Macs. I can’t say firsthand, since I no longer have the problematic monitor. I learned about it from this developer.apple thread.įor more specifics on Big Sur’s changes to MacOS’ System volume, see Ars Technica. Just sudo.Īs with the old workaround, I don’t deserve any credit for this discovery.
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Instead, you can put them in /Library, and you don’t even have to use recovery mode to write them. Though MacOS’ built-in overrides still live there - specifically, in /System/Library/Displays/Contents/Resources/Overrides - it’s not necessary to put your new overrides there. Since then, Apple has continued to tighten security, and it’s no longer practically possible. One thing that made the old workaround so absurd was that you had to bend over backward to write to the protected /System directory. Is it still possible to perform the workaround?įortunately, yes! With one small change. Googling around, I see evidence that people are still trying to force RGB on MacOS 11 (Big Sur), and that the previous version of the workaround no longer works. Comments on the original post suggest that the workaround was necessary and successful on 10.14 (Mojave) and 10.15 (Catalina). I first encountered the issue on MacOS 10.13 (High Sierra). To help anyone landing here in 2021, I set out to answer a few questions: 1. I no longer have the problematic monitor, but the post still receives a fair amount of traffic, so I wanted to check if the procedure still works. It turned out that my new Mac was using the wrong color space, but there was a workaround to force it back into RGB.
![hdmi not working mac mojave hdmi not working mac mojave](https://i.imgur.com/4yaEkci.png)
BackgroundĪ couple of years ago, I wrote about a strange problem I encountered when I upgraded my Mac: my external display’s image looked terrible. As of MacOS 11, it’s still possible to override your display’s EDID in order to force RGB mode when you get a problematic YCbCr connection, at least on Intel macs.