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May 20, 2014 10:49 AM in response to James Weisbin2by benny mouthon,Same here: nice one, Apple..
New MacPro, 2 Samsung monitors via TB (mini DVI) and a 50" Panasonic LCD via HDMI. Two out of three work..
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May 20, 2014 10:53 AM in response to geneMTby sn0wleopard,Does that mean they are fixing it, or they are just stalling for time?
(hands waving furiously, hey Apple engineering team, please notice this issue...)
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May 20, 2014 1:42 PM in response to James Weisbin2by SorenKierkegaard,Just off the phone with Apple Support about my third monitori no longer working after installing 10.9.3.
They are away of the problem and hope to have a fix by the end of the week.
They offered to walk me through a time machine back up to before the 10.9.3 update was installed, but that would mean any work saved since then would be lost.
I'll wait until the end of the week.
Martin
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May 21, 2014 7:29 AM in response to James Weisbin2by Jim-H,Also having this problem with 10.9.3
My Setup:
30" - mDP to Dual-Link DVI Adapter
24" - mDP to DVI Adapter
24" - mDP to DVI Adapter
only 2 of the 3 will work at one time.
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May 21, 2014 11:53 AM in response to James Weisbin2by isengrab,Also having this problem with 10.9.3. Originally had four monitors functioning early Monday morning. After the 10.9.3 restart, down to 2 of the 4. Tried every reset, OS X reinstall, reboots, and cursing.
24" - Active Mini DisplayPort to HDMI Adapter
24" - Active Mini DisplayPort to HDMI Adapter
20" - Active Mini DisplayPort to DVI Adapter
20" - Active Mini DisplayPort to DVI Adapter
Have an open case with a senior advisor. I'd be happier if someone just told me it was a known problem with 10.9.3 and an update is imminent.
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May 21, 2014 2:57 PM in response to isengrabby isengrab,My last attempt at a fix, recommended by a senior advisor, was to reapply the 10.9.3 combo update (http://support.apple.com/kb/DL1746). After wasting 1 GB of my monthly allotment I can confirm this had no effect either.
Our current options include finding a copy of 10.9.2 we can reinstall, using time machine to go back to 10.9.2, or waiting until 10.9.4 and hoping that includes a fix.
I have no usable time machine backup for other reasons, so I'm left with a 10.9.2 reinstall if one is available or waiting and hoping for a 10.9.4 and forlornly looking at two dark screens.
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May 22, 2014 11:07 AM in response to James Weisbin2by Kryckter,So I was in the same boat as most here. 4 monitors worked fine on 10.9.2 broke on 10.9.3. Only could get 2 to work, no matter what I tried.
I had the following hookup
- 2x Active Adapter to DVI cable
- 1x HDMI
- 1x Mini Displayport to DVI cable
I did finally get 3 working again.
I am now using the following arrangement
- 2x Mini Displayport to Displayport
- 1x Active Adapter to DVI cable
Sp just changing the cables to use Mini Displayport to Displayport has solved this for me. I will try to get the 4th working soon...
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May 22, 2014 5:39 PM in response to Kryckterby Tom Wyrick1,Interesting....
I, too, filed a bug report with Apple as soon as I ran into the third display not working issue on my nMP and 10.9.3.
In my own situation, my configuration consists of 3 idential 27" LG monitors running at 1920x1080 resolution.
I have one attached directly to the HDMI output on the back of the nMP, a second using a standard "pigtail" type connector that goes from Mini DisplayPort to HDMI, and a third using Apple's Dual Link Mini-DP to HDMI adapter (the $99 one).
It all worked great in 10.9.2, but after upgrading to 10.9.3 and losing my third display, I tried many combinations of plugging things into different ports to no avail. I could always get 2 displays to work but not the third.
In my case, Apple Engineering just requested today that I take a photo of how everything is hooked up in the back of the machine and send it to them. (They haven't yet closed out my ticket as a duplicate.) I'm thinking at this point, they're just collecting data on various configurations of displays and adapter types that are failing?
I don't have the option of using straight-through Mini-DP to DP cables because my LG displays don't have Displayport connectors on the backs of them. (They only have VGA, DVI or HDMI.) I think I do have a Mini-DP to HDMI straight through cable around here someplace, though. I wonder if anything would change if I tried using that in place of the display connected directly to the HDMI port on the back of the nMP?
For now though, I used Time Machine and rolled back to 10.9.2 ... so I may just wait and see if Apple gets this fixed by the end of the week.
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May 23, 2014 8:31 AM in response to isengrabby isengrab,I did a fresh install of 10.9.2. I have all four monitors working again. I won't be so quick to assume these releases are well-tested next time, that's for sure.
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May 23, 2014 8:44 AM in response to Steve Gulukby Grant Bennet-Alder,Are you using Gigabit Ethernet speed? Network Utility can tell you your ACTUAL connection speed.
Gigabit Ethernet connection requires cables with all 8 wires present, and cannot use Power-over-Ethernet on the same cable.
Once you have achieved Gigabit speeds, you should also set Jumbo (9000 byte) frames).
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May 23, 2014 9:12 AM in response to Grant Bennet-Alderby James Weisbin2,ethernet has nothing to do with this issue, read the OP
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by Grant Bennet-Alder,May 23, 2014 9:41 AM in response to James Weisbin2
Grant Bennet-Alder
May 23, 2014 9:41 AM
in response to James Weisbin2
Level 9 (61,368 points)
DesktopsJames Weisbin2-
Thanks for your comments. My post above is not generally applicable to all the display problems listed here.
I was responding directly to Steve Gulik's comments directly above, indicating that it would take him 9 hours to do a restore from Time Machine. It should certainly not take that long with Gigabit Ethernet enabled.
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May 23, 2014 9:40 AM in response to Grant Bennet-Alderby James Weisbin2,sorry, didn't see that. I wonder about jumbo frames though - I thought only certain ethernet cards and routers would support that?
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by Grant Bennet-Alder,May 23, 2014 9:44 AM in response to James Weisbin2
Grant Bennet-Alder
May 23, 2014 9:44 AM
in response to James Weisbin2
Level 9 (61,368 points)
Desktopshe indicated he has an Apple Time Capsule and a Mac Pro. Both of those should support jumbo frames without issue. If other equipment will not, it generally will negotiate down to a lower frame size that it can support.