HT5918: Mac Pro (Late 2013): Using multiple displays
Learn about Mac Pro (Late 2013): Using multiple displays
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All replies
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Helpful answers
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Sep 10, 2014 12:19 PM in response to NoRoadsProdby x.graves,Tinpig - that's a great idea turning off the monitor instead of unplugging the TBolt! Can't believe I didn't think of that. [facepalm]
RonKabele - interesting, so you're only seeing the problem when you boot OSX off the Tbolt SSD? Is it possible to try plugging the Elgato into USB instead of Tbolt and see if the problem still happens? Then we'd know if it was OSX or the Thunderbolt.
VoltMac - I don't think bootcamp is the problem, I don't have it installed and I'd venture most people here don't either.
I took my Mac Pro to the genius bar and they ran preliminary tests, then suggested it may be 3rd-party software conflict, but after reading posts here I'm pretty sure it's a problem with one or a combination of the following:
- the graphics card
- the graphics card driver
- OSX Mavericks
- Thunderbolt hardware
So I guess there's a 50% chance we may see a software fix.
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Sep 10, 2014 12:19 PM in response to NoRoadsProdby Tinpig,You know, my fear of taking the unit to the Apple store is them saying "send it back to Apple for a replacement". Other people on different threads have said what you mentioned, even their replacement units have the same issue!!
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Sep 10, 2014 12:21 PM in response to Tinpigby x.graves,Interesting Tinpig, that's even more evidence to back up my theory. When I took my MacPro into the genius bar, they wanted to run extended diagnostics but it would have taken up to a week and I can't give up my machine for that long. I'd sure like to get to the bottom of this so we can petition a fix.
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Sep 10, 2014 12:23 PM in response to x.gravesby Tinpig,I made a secondary administration account with no extra software and the same thing happens. And again mine did this out of the box so it cant be blamed on anything extra that I installed.
Turning the monitor off just came to me yesterday! At least it works.
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Sep 10, 2014 12:26 PM in response to x.gravesby Tinpig,Same here, I can't give up my machine as there is much work to do and that's my income. I'm wagering most of the people that own these machines use them professionally so Apple need to get this fixed.
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Sep 10, 2014 12:34 PM in response to x.gravesby Tinpig,Could be a TB power issue when using 2 displays and 1 of the displays is attached to a TB port, because the unit boots when the display is off thus not using the TB port/bus until needed!!
I don't know, that's nothing more than me thinking aloud. I should probably stop now before someone gets hurt!
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Sep 10, 2014 12:44 PM in response to Tinpigby EdAnuff,I don't think its a TB power issue. I've tried lots of different combinations of devices connected to the TB ports and everything is good until two monitors are connected.
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Sep 10, 2014 12:51 PM in response to EdAnuffby Tinpig,that's a good point, I'm running audio cards and HD's on the TB ports and they are functioning without issue.
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Sep 10, 2014 12:57 PM in response to Tinpigby vett93,Apple Engineering has been working on my issues for over 2 months without any success. What can these self claimed geniuses help you by keeping your computers for a week?
The whole thing just doesn't add up.....
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Sep 10, 2014 1:01 PM in response to vett93by Tinpig,Well, they're not having my unit for a week!
I wonder if this issue happens with 2 Apple Thunderbolt displays?
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Sep 10, 2014 1:14 PM in response to vett93by Volt-Mac,Well my computer can hardly boot one thunderbolt monitor let alone 2. I'm leaving my Mac Pro with them so this issue can be officially documented, plus I'm done with experimenting with brand new high end computer.
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Sep 10, 2014 1:19 PM in response to vett93by Volt-Mac,How do we get this issue on Mac Rumors or another Apple News site so we can get the folks at Apple look into this immediately?
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Sep 10, 2014 1:22 PM in response to Volt-Macby Tinpig,I don't know, but you can count on my support if anyone pushes this issue to a mainstream audience.
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Sep 10, 2014 1:43 PM in response to vett93by Tinpig,Oh well! Maybe I'll be able to run dual monitors without a problem on the iPhone 6!! Ha.