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Mac Mini M1 no HDMI output

I was using my FHD LG 24M45 monitor (1920*1080) with no issue for about 6 hours on my one day old Mac mini M1 through HDMI port. After I received an update for the system and restarted, no HDMI output since.

I bought a USB C to HDMI adapter and the monitor works fine. Just the HDMI connector has some problems.

Any idea how to restore it? Is it a software or a hardware problem?


I have seen similar problems on forums, but most of them used 4k or higher, or dual monitor. I am just using my peasant FHD one...

Mac mini, macOS 11.1

Posted on Feb 13, 2021 6:35 AM

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12 replies

Feb 28, 2021 11:00 PM in response to Furkesz93

Furkesz93 Said:

"Mac Mini M1 no HDMI output: [...]I have seen similar problems on forums, but most of them used 4k or higher, or dual monitor. I am just using my peasant""

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Report this to Apple:

Do your Part: This seems to be something that is catching on, becoming a common issue for many. So, report it to Apple. Apple Support may not get back to you directly, but the more feedback they receive on this, the more they will know that is occurring, and what needs to be fixed.

  1. Go Here: Feedback - Mac mini - Apple
  2. Select: "Bug Report" for the "Feedback Type"
  3. Proceed from there as necessary


See a Reply in the Thread.

Feb 28, 2021 10:13 PM in response to Furkesz93

I had the exact same thing happen! Brand new m1 Mini that I was in process of setting up today. decided to run the update after playing with it for awhile and the HDMI output stopped working. Found this thread and luckily I had a usb-c to hdmi adapter on hand. Now the HDMI port won't output at all. Using an LG UN32650. Updated to 11.2.2 (Don't know what was installed when I first turned it on.) Nice going Apple!!

Mar 3, 2021 8:50 AM in response to Furkesz93

One thing to know!


After i get back my mini, i tried to install the update again, but this time is the 11.2.2.

After several minutes, the ant war screen started again, but this time, i video recorded it, and leaved it.

Few minutes later, the screen went back to normal, and for right now everything is working fine.

Maybe last time, when the ant war screen came, i hard pressed the thing, forced to restart, and than, i didn't get my screen back!

Maybe this is a necessary during upgrade? I really don't know

But now, everything is working fine.

Mac Mini M1 no HDMI output

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