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A 2012 mini should be able to go above 1080p through HDMI, right?
Posted by: AllGold
Date: November 17, 2020 04:47PM
As far as I can tell from specs, both my monitor (2560x1440) and my mini should support full resolution rather than 1920x1080 through HDMI.

I seem to be limited to 1920x1080. Thinking it was the cable, I have tried three different HDMI cables. The catch is, they're all cables I had sitting around and I have no idea how those cables are spec'ed so it's quite possible that they're all limited to 1080p.

I just wanted to ask before I shelled out for a better HDMI cable.



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Re: A 2012 mini should be able to go above 1080p through HDMI, right?
Posted by: Gareth
Date: November 17, 2020 04:52PM
2012 is limited to 1080p (well, 1920x1200) on the HDMI port (unless there's been a firmware update that raised this?). You need a Mini-DisplayPort to HDMI cable to get 2560x1440 from the Thunderbolt port.

When I had a 2012 mini, I had to run two thunderbolt docks in order to run dual 2560x1440 monitors.
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Re: A 2012 mini should be able to go above 1080p through HDMI, right?
Posted by: MEG
Date: November 17, 2020 04:59PM
The Mac Mini's HDMI port only supports up to 1920x1200.

You'll need to use the Thunderbolt/MiniDisplay port for higher resolutions.
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Re: A 2012 mini should be able to go above 1080p through HDMI, right?
Posted by: Lew Zealand
Date: November 17, 2020 05:26PM
It can even do 3440x1440 through TBolt 1 but only at 50Hz. Still, that's good enough for office work. Used it that way for years.
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Re: A 2012 mini should be able to go above 1080p through HDMI, right?
Posted by: AllGold
Date: November 17, 2020 05:44PM
Glad I asked. I was almost sure I read it could go higher through HDMI, but no.

I have no problem using the TB port with an adapter. I would just use DisplayPort, but my monitor only has one DP input that is already in use.



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Re: A 2012 mini should be able to go above 1080p through HDMI, right?
Posted by: Filliam H. Muffman
Date: November 17, 2020 06:31PM
I thought it was possible to overdrive the HDMI port with SwitchResX, but I have never owned, or used a 2012 mini much.

SwitchResX - www.madrau.com/srx_download/download.html



In tha 360. MRF User Map
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Re: A 2012 mini should be able to go above 1080p through HDMI, right?
Posted by: AllGold
Date: November 17, 2020 09:41PM
Well, poo. First off, it turns out my Mini DisplayPort-to-HDMI adapter was bad. No signal whatsoever. I ran out and got a new one and now it works except I still only get 1920x1080.

I tested the mini with the monitor using the DisplayPort input (I have a DP to Mini DP cable) and it looked great at 2560x1440. I can't find any indication that the monitor, an HP Omen 32", doesn't support 2560x1440 through HDMI.



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Re: A 2012 mini should be able to go above 1080p through HDMI, right?
Posted by: AllGold
Date: November 18, 2020 12:06AM
Update: I have ruled out the monitor as the limitation. I'm running it through HDMI at 2560x1440 driven by a Mac Pro with an RX 560, direct from the 560's HDMI port (it also has DisplayPort and DVI).

It's looking like the problem might be the Mini DP-to-HDMI adapter. I don't really feel like putting the 5770 back into the Mac Pro right now to test the adapter. I should have thought of that before I swapped video cards.

Edit: Heavy sigh. I found this on MacRumors forum: "2k works great out of the box, but I had to try 4 different TB to HDMI adapters to get it working. And no, the 4k adapter I bought didn't do it whereas a no brand cheap one did. Go figure."

[forums.macrumors.com]







Edited 2 time(s). Last edit at 11/18/2020 12:29AM by AllGold.
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