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Multiple monitors on Yosemite?

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Don Scioli
Multiple monitors on Yosemite?
on Oct 20, 2014 at 4:14:59 pm

Has anyone used multiple monitors on 10.10 ..mine have not worked since 10.9.2, which I stayed with. I'm using 3 HD monitors, 10801 not 4k on a 6 core Mac Pro 2014. I'm also using a powered dvi to mini converter as well as a standard dvi converter as well as HDMI out for FCPX.
Thanks


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Helmut Kobler
Re: Multiple monitors on Yosemite?
on Oct 20, 2014 at 5:18:23 pm

I have three Thunderbolt Cinema Displays running from a 2013 Mac Pro. All seem to work well with Yosemite since launch day.

-------------------
Los Angeles Cameraman
Canon C300 (x2), Zeiss CP.2 lenses, P2 Varicam, etc.
http://www.lacameraman.com


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Kevin Patrick
Re: Multiple monitors on Yosemite?
on Oct 20, 2014 at 5:22:01 pm

I am.

Mac Pro Late 2013 (the tube)
3 GHz 8 Core
OS X 10.10 Yosemite, also worked fine on Mavericks
Dual NEC 27" PA272W (2560 x 1440)
Dual AMD FirePro D700

Each are connected to separate TB2 ports.
Pegasus2 on it's own TB2 port.

This configuration has worked fine for both Yosemite and Mavericks. In fact Mission Control/Spaces (not sure the correct name) works really well in a dual monitor setup. You can swipe between Spaces on each monitor separately.

Also, FCP 10.3.1 recognizes and works fine with both monitors.

Kevin


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Fred Knack
Re: Multiple monitors on Yosemite?
on Oct 22, 2014 at 7:25:20 am

My three monitors have not worked at all since the day I upgraded to Yosemite. Total bummer. I can use only one external monitor but as soon as I attach more than one to my brand new MackBook pro with the dedicated video card nothing works. I REALLY hope this gets fixed soon. I really don't want to figure out how to downgrade to Mavericks.

Fred Knack
Motion Graphics Artist & Final Cut Pro Editor & FLASH Programmer
Portland, Oregon
http://www.fredknack.com


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Helmut Kobler
Re: Multiple monitors on Yosemite?
on Oct 22, 2014 at 8:05:11 pm

Fred, I think you should reinstall Yosemite. I doubt this is a "bug" that Apple needs to fix. It's probably some corruption in your particular install, and a fresh install of the OS will probably do the trick.

-------------------
Los Angeles Cameraman
Canon C300 (x2), Zeiss CP.2 lenses, P2 Varicam, etc.
http://www.lacameraman.com


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Scott Lahteine
Seems to be a common problem
on Oct 28, 2014 at 9:25:24 am

You're not alone. https://discussions.apple.com/message/26885684


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Bill Prestwidge
Re: Multiple monitors on Yosemite?
on Nov 19, 2014 at 8:01:46 pm

The same thing happened to me, with Yosemite second monitor won't work. In fact, control panel will only recognize the presence of an additional display when I turn the monitor off. A bit whacky. Primary monitor is a Samsung 32 inch TV and secondary monitor is a Seiki 50 inch TV.

Bill
Mac Pro Early 2009
52 g RAM
1 TB Samsung boot with Apricorn
Multiple NAS


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Don Scioli
Re: Multiple monitors on Yosemite?
on Nov 19, 2014 at 8:39:57 pm

So we're stuck with this, no more OS upgrades? What if future versions of FCPX do not work with 10.9.2 anymore?
there must be a workaround.


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Fred Knack
Re: Multiple monitors on Yosemite?
on Nov 19, 2014 at 9:01:29 pm

Good news for me at least. I just installed the Yosemite update that came out this morning and it fixed it. That is a relief.

If I start the laptop with all the displays connected it still just mirrors all 4 screens with an ugly low res 4 by 3 login screen. If I unplug all the displays once it has started running they work fine.

Fred Knack
Motion Graphics Artist & Final Cut Pro Editor & FLASH Programmer
Portland, Oregon
http://www.fredknack.com


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Don Scioli
Re: Multiple monitors on Yosemite?
on Nov 19, 2014 at 11:04:47 pm

I'm glad it worked for you, but unplugging then plugging in my 3 bib 24_ monitors every time I startup seems very 1985-ish. There has to be a better way..

2013 Mac Pro 6 core
2 x D700
32GB ram
10.9.2
12TB storage


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Fred Knack
Re: Multiple monitors on Yosemite?
on Nov 19, 2014 at 11:08:42 pm

I agree. It is not the user experience I have grown to expect from my Macs. I actually had one in 1985. At this point I am really glad to have them working at all.

Fred Knack
Motion Graphics Artist & Final Cut Pro Editor & FLASH Programmer
Portland, Oregon
http://www.fredknack.com


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