Mac pro late 2013 Screen flickering

I have late 2013 mac pro 3.5 Ghz 6-core with 32GM memory. I have 2 Thunderbolt 27” monitors with Thunderbolt Hard Drive(external), purchased all brand new. I have apple fan since 2007 changed all 5 computers over to apple and have been very very happy until now.
I have more issues with the screens flickering off and on. Some times this well only happen one or two times day, on other days multiples times. I have taken the Mac to the store 4 times with no resolve.
I have multiple times to support with no luck fixing the issues, we have change the cables to the different bus with no luck, we even change the user with no luck.. I am not sure what else I can no to do get this fixed. Please help.

I would also try posting here:
Thunderbolt Display
Do y have the latest version of the display firmware?
Thunderbolt Display Firmware Update v1.2

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Running 4 screens as one with Mac Pro Late 2013

Hello there, got a Mac Pro late 2013 edition driving 4 60" 1080P screens in a 2x2 configuration. Trying to make those work as one 4k display. Was able to get it working to allow us to display a page across all 4 displays. But have not been able to get a video to display across all 4. Our current configuration has also been very finnicky and anytime we move the webpage around, it snaps the window to be full screen across the bottem two displays.
Anyone have any idea's as to how to make this work the way we are wanting to?

"Fullscreen" is a garbage feature ported from IOS and the iPhone, the land of tiny screens and one-at-a-time processing -- AVOID it at all costs.
This will work as long as you stretch a Window across multiple screens, and turn OFF all hints that you want multiple, independent screens.
This describes the new ways Mavericks tries to undercut the way it used to work:
OS X: Using Multiple Displays in Mavericks

HT6099 why does the mac pro (late 2013) only support up to 60Hz at 1080p? TV screens are pretty much all 120Hz. So much for future proof.

why does the mac pro (late 2013) only support up to 60Hz at 1080p? TV screens are pretty much all >120Hz. So much for future proof.

http://en.wikipedia.org/wiki/4K_resolution
http://en.wikipedia.org/wiki/4K_UHD
http://www.techradar.com/news/home-cinema/high-definition/4k-tv-resolution-what- you-need-to-know-1048954
Need More Pixels? Samsung’s 2014 UHD TVs Ship This Month
Wall Street Journal · 2 hours ago
Samsung’s 2014 lineup of Ultra High-Definition (aka 4K) TVs are on the way, and thanks to UHD content deals struck with Fox and Paramount—not to mention the…
Focusing on TVs and 1080p and 60Hz isn't the question, or the 'future'

Can iMac 27 late 2009 enter TDM connected to a Mac Pro late 2013?

I'm trying to get an iMac 27 late 2009 to enter target display mode when connected to a Mac Pro late 2013.
I tried with Apple's Thunderbolt cable and pressing Command + F2 on the iMac did nothing.
So I bought a Mini DisplayPort cable, and now Command + F2 makes the iMac's screen turn black for a second and then back.
After rebooting, before logging in, if I press Command + F2 it actually works for about 2 seconds and then back to the iMac's screen. After this, if I keep trying it just flashes black.
So, my question is, has anyone managed to connect this two devices?
Should I buy another cable? Format the iMac? Any suggestions?
Thanks for the help.
OS X Mavericks 10.9.4 on both machines.

Thanks for your help.
I don't know what more I can add to the initial post.
The second Mini DisplayPort cable that I tried is Belkin, I don't think there are better cables for this, since Apple is not selling it anymore.
I did mentioned that if I restart the iMac, before logging in with any user, pressing command + F2 or simply connecting the cable will actually work, it shows up as a second display on the Mac Pro, I can move the mouse pointer on the iMac. But after about 2 seconds the iMac exits Target Display Mode, and after this pressing Command + F2 will only turn iMac's monitor black for about a second and not entering TDM anymore.
I even checked the firmware versions and both are up to date according to this.

Help! Multiple Displays not Working. (Mac Pro late 2013).

Hardware:
Late 2013 Mac Pro
Processor: 3.7 GHz Quad Core Intel Xeon E5
Memory: 12 GB 1867 MHz DDR ECC
Graphics: AMD FirePro D300 2048 M8
Software: OS X 10.9.2 (13C64)
Displays:
4 LG Electronics S-Class 25UM64-S 25-Inch Screen LED-Lit Monitor's
Display Connection:
6 Moshi Mini DisplayPort to HDMI Adapter (4K)
Issue:
First of all, thank you in advance for taking the time to help!
I just picked up this Mac Pro (as stated above) and I am having quite the time trying to get the monitors to display properly (or at all!)!
Everything is hooked up properly (i'd like to think so), i've run through most of the trouble shooting methods I can think of and have found online... and still, 2 of the 4 displays do not show! The Mac Pro is not recognizing two of them.
I was told that the MacPro could recognize up to 6 Mini DisplayPort to HDMI monitors, however, only 2 are working properly. Is it because of the Moshi Mini DisplayPort to HDMI adapters? Should I be running MDP to DP cables instead? The monitors support DisplayPort input's, however, they also allow for PIP hence the use of 6 MDP adapters to HDMI. (2 of the monitors are using the built in picture in picture split screen. So 2 HDMI inputs each).
Really pulling my hair on this one.. I figured it would be plug and play.. at least, that's how apple USED to be.
Any ideas?! Am I simply needing to use the MDP to DP cables instead of MDP to HDMI? Please help!
Thank you!

See:
Mac Pro (Late 2013): Using multiple displays - Apple Support
Can I connect more than 2 DVI or HDMI displays?
Mac Pro supports a total of two DVI or HDMI displays when connected via the built-in HDMI port or using the Apple Mini DisplayPort to DVI adapter. To connect additional DVI displays, use an active DVI adaptersuch as the Apple Mini DisplayPort to Dual-Link DVI adapter. You can connect up to six active adapter DVI displays. This requires a powered USB hub since Mac Pro offers four USB ports and you will need six to connect them all.
Thus, use a display port to mini display port cable

Cannot connect from Mac Pro late 2013 to Macbook Pro

Cannot connect from Mac Pro late 2013 to Macbook Pro . I have tried via ethernet and wifi. I can connect from the MBP to the Mac Pro but not vice versa. I have tried to connect to other MBP's on the same network with no luck. I try and connect as a registered user, as I usually do, with no luck. When I enter the Username and then Password the box vibrates as if the details are incorrect, they are not however.
Thanks in advance
Jeff

It is 'just not working' again.
To answer you question. Other sharing services work. I can connect as a guest. I can share screens. I cannot air drop.
I cannot connect either way now i.e. from Mac Pro to MBP and vice versa.
I cannot connect to my wife MBP either. My wife cannot connect to my Mac Pro.
It neither works with wifi or ethernet cable.
I can connect to my Time Capsule directly and Time Machine backups are working.
The passwords are 100% correct.
The Mac Pro is a late 2013. Does anyone else have a similar problem? I have never suffered this one before. Seriously effecting my workflow
Thanks

How can Mac Pro (late 2013) create a WiFi network for Mac Books to connect to internet?

I am moving my Mac-Pro (late 2013) to a garden office. I have an ethernet cable to connect it to the house network. I also have a Mac Book Air which will only connect to a network by WiFi. I can use this Mac-Pro to create a WiFi network and the MacBook can talk to the Mac Pro over this WiFi network. But the Mac Book does not see the local network let alone the Internet, both of which are seen on the Mac Pro.
Is there a way that I can connect the created WiFi network to one of the two Ethernet cards in the Mac Pro?
Or what?
Tim

I have half cracked it.
For some reason the first step it to turn internet sharing off.
Then internet sharing can be configured and the wireless network set up and given a password.
Then, and then only, turn internet sharing back on and turn WiFi ON. All this is on the Mac-Pro (late 2013).
Now the Mac Air sees the new network and can log on and connect to the WAN internet locations, at least via Safari.
BUT if I use Finder on the Air, it will connect to the Mac Pro but it will not display what is on its disc. Though I can do screen sharing. Odd.
Also Air-Drop has stopped working, so there is no means of transferring files between the Pro and the Air.
I am going away now for a few days and will revisit this on my return.
Thanks for your help.

Cannot connect between a Mac Pro (late 2013) and a MBP and vice versa

Cannot connect to Macbook Pro from Mac Pro late 2013. I have tried via ethernet and wifi. I can screen share either way. I have tried to connect to other MBP's on the same network with no luck. I try and connect as a registered user, as I usually do, with no luck. When I enter the Username and then Password the box vibrates as if the details are incorrect, they are definitely correct however.
I have no firewall on. Both devices are using the most recent OS.
Thanks in advance
Jeff

Hi Grant, Here is the Console system log. Tried to connect to Macbook Pro at 15:46:30
Mar 22 15:44:28 Jeffs-Mac-Pro com.apple.xpc.launchd[1] (com.apple.preference.datetime.remoteservice[744]): Service exited due to signal: Killed: 9
Mar 22 15:44:38 Jeffs-Mac-Pro kernel[0]: hfs: mounted Time Machine Backups on device disk2s2
Mar 22 15:44:40 Jeffs-Mac-Pro com.apple.backupd[736]: Disk image /Volumes/Data/Jeff’s Mac Pro.sparsebundle mounted at: /Volumes/Time Machine Backups
Mar 22 15:44:40 Jeffs-Mac-Pro mds[35]: (Volume.Error:880) Root store set to FSOnly with matching create! (loaded:1)
Mar 22 15:44:41 Jeffs-Mac-Pro com.apple.backupd[736]: Backing up to /dev/disk2s2: /Volumes/Time Machine Backups/Backups.backupdb
Mar 22 15:45:27 Jeffs-Mac-Pro com.apple.backupd[736]: Will copy (72.8 MB) from Jeff Mac Pro HD
Mar 22 15:45:27 Jeffs-Mac-Pro com.apple.backupd[736]: Found 973 files (72.8 MB) needing backup
Mar 22 15:45:27 Jeffs-Mac-Pro com.apple.backupd[736]: 1.56 GB required (including padding), 232.28 GB available
Mar 22 15:45:48 Jeffs-Mac-Pro NetAuthSysAgent[773]: NAHSelectionAcquireCredential complete: iakerb A88A5E19-89A1-8FEF-EE42-8F065FC94669 - ***@mac.com: GSSCred: 0x7ffa296262f0 <MC: iakerb com.apple.idms.appleid.prd.4f7466316e4d737570647351515953457261382b32773d3d@WEL LKNOWN:COM.APPLE.LKDC>
Mar 22 15:46:41 Jeffs-Mac-Pro NetAuthSysAgent[773]: NAHSelectionAcquireCredential complete: iakerb A88A5E19-89A1-8FEF-EE42-8F065FC94669 - ***@mac.com: GSSCred: 0x7ffa29432780 <MC: iakerb com.apple.idms.appleid.prd.4f7466316e4d737570647351515953457261382b32773d3d@WEL LKNOWN:COM.APPLE.LKDC>
Mar 22 15:47:04 Jeffs-Mac-Pro Console[781]: Failed to connect (_consoleX) outlet from (NSApplication) to (ConsoleX): missing setter or instance variable
Mar 22 15:47:17 Jeffs-Mac-Pro com.apple.xpc.launchd[1] (com.apple.PubSub.Agent[784]): Endpoint has been activated through legacy launch(3) APIs. Please switch to XPC or bootstrap_check_in(): com.apple.pubsub.ipc
Mar 22 15:47:17 Jeffs-Mac-Pro com.apple.xpc.launchd[1] (com.apple.PubSub.Agent[784]): Endpoint has been activated through legacy launch(3) APIs. Please switch to XPC or bootstrap_check_in(): com.apple.pubsub.notification
Mar 22 15:47:36 Jeffs-Mac-Pro com.apple.xpc.launchd[1] (com.apple.imfoundation.IMRemoteURLConnectionAgent): The _DirtyJetsamMemoryLimit key is not available on this platform.
Mar 22 15:47:56 Jeffs-Mac-Pro Dock[286]: void CGSShmemReleaseMappedMemory(CGSShmemID): failed to find shmem ID 787.

Mac pro (late 2013), Dell UP2414Q and windows8.1 bootcamp

I bought mac pro (late 2013) and Dell UP2414Q.
Monitor is set on DP1.2 and works normally in OS X. I get 4K@60Hz, I can switch to lower resolutions like 1920x1080 and it works.
Then I Installed windwos 8.1 which I need for some testing and I have aproblem here:
When DP 1.2 is enabled, and I switch to 1920x1080 resolution, I get 2 pictures on screen squeezed together - totally useless and I can't work on that.
If I disable DP 1.2 and revert on monitor to DP 1.1 it works normally. But I switch to 4K with only DP1.1 enabled I can get only 30Hz out.
As it seems under OS X I can use any resolution with DP 1.2 enabled, but not in windows 8.1 via bootcamp.
I would really really love to get this working, I tried next things, but nothing worked:
-update bootcamp support
-update AMD gpu drivers from their web page
I already wrote on Dell forum and I got redirected here on apple forums.

which model rMBP 13" or rMBP 15"
the 13 will support it with the latest intel drivers.
the 15 will support it with the latest nvidia drivers.
i have both models and both are working correctly.

HT5918 Mac Pro (Late 2013) Dual monitors freeze on startup?

I've got 2 monitors, 1 HDMI and 1 MiniDisplayPort/DVI into Thunderbolt, and the computer can't start, it crashes during the boot process. The main screen freezes just as the login comes up, the MDP screen is scrambled, and the mouse cursor is a spinning pizza.
The only solution so far is to remove the MDP cable during startup, but that is a dealbreaker because dual monitors is the sole reason I bought this, and c'mon it's a really expensive computer -- even my old MacBook could handle 2 monitors!
Any insights or solutions appreciated.

Have you tried another cable and adapter?
Try another DVI monitor to help determine the cause
Are you using a Thunderbolt port not shared with the HDMI port?
See the image included here:
Mac Pro (Late 2013): Using multiple displays
Rest the SMC
Intel-based Macs: Resetting the System Management Controller (SMC)

Mac Pro (Late 2013) OSX abnormally slow

Hi,
I'm not sure why but my OSX is running much slower then before, weird thing is I don't even install many softwares in it. Below is the description of the issues I'm facing.
Beach ball frenzy, lots of things ended up with beach balls from switching back and forth between apps (safari and cad). Within app itself, safari freezes occasionally and then whatever I click during that time period (like opening a new tab, links in the page) will suddenly open and this goes on with other apps as well, even finder takes a few seconds to show the content.
Start up time : 14.2 sec
Waiting for shut down menu to appear : 15 secs
Click shut down: forever (monitor goes to sleep after 10 minutes of inactivity, but computer is not turned off)
Previously, whenever software update requires restart, os will just hang and give a grey screen error, this will cause my computer to be in a boot loop where turning off will show the same error as well. Only way I find out is to open in safe boot, apply update and all goes to normal but it seems the problem is not solved cause now my OS just doesn't work properly.
Oddly enough, I got no problem installing Yosemite.
I don't think it's hardware problem cause right now my windows 8 partition is running much faster then OSX. Oh the irony

EtreCheck version: 2.0.5 (90)
Report generated October 19, 2014 at 9:55:08 AM GMT+8
Hardware Information: ℹ️
Mac Pro (Late 2013) (Verified)
Mac Pro - model: MacPro6,1
1 3.7 GHz Quad-Core Intel Xeon E5 CPU: 4-core
12 GB RAM Upgradeable
DIMM1
4 GB DDR3 ECC 1866 MHz ok
DIMM2
4 GB DDR3 ECC 1866 MHz ok
DIMM3
4 GB DDR3 ECC 1866 MHz ok
DIMM4
empty empty empty empty
Bluetooth: Good - Handoff/Airdrop2 supported
Wireless: en2: 802.11 a/b/g/n/ac
Video Information: ℹ️
AMD FirePro D300 - VRAM: 2048 MB
AMD FirePro D300 - VRAM: 2048 MB
DELL U2711 2560 x 1440 @ 59 Hz
System Software: ℹ️
OS X 10.10 (14A389) - Uptime: 0:4:9
Disk Information: ℹ️
APPLE SSD SM0256F disk0 : (251 GB)
S.M.A.R.T. Status: Verified
EFI (disk0s1) <not mounted> : 210 MB
Macintosh HD (disk0s2) / [Startup]: 150.00 GB (39.42 GB free)
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
BOOTCAMP (disk0s4) /Volumes/BOOTCAMP : 100.14 GB (12.33 GB free)
USB Information: ℹ️
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
SteelSeries Sensei Raw Gaming Mouse
3Dconnexion SpacePilot PRO
Dell Dell USB Keyboard
Generic Ultra Fast Media Reader
Thunderbolt Information: ℹ️
Apple Inc. thunderbolt_bus_2
Apple Inc. thunderbolt_bus_1
Apple Inc. thunderbolt_bus_0
Configuration files: ℹ️
/etc/sysctl.conf - Exists
/etc/hosts - Count: 20
Gatekeeper: ℹ️
Mac App Store and identified developers
Kernel Extensions: ℹ️
/Applications/Capture One 7.app
[not loaded] com.Leaf.driver.LeafFwXDriverMatcher (1.2.0d1) Support
/Applications/DiskWarrior.app
[not loaded] com.alsoft.Preview (4.4) Support
/Library/Extensions
[loaded] com.3dconnexion.driver (10.2.0 - SDK 10.8) Support
/Library/Extensions/3Dconnexion.kext/Contents/PlugIns
[not loaded] com.3dconnexion.virtual.driver (10.2.0) Support
/System/Library/Extensions
[loaded] com.avira.kext.FileAccessControl (1.0.0d1 - SDK 10.9) Support
[not loaded] com.nvidia.CUDA (1.1.0) Support
Startup Items: ℹ️
CUDA: Path: /System/Library/StartupItems/CUDA
Startup items are obsolete and will not work in future versions of OS X
Launch Agents: ℹ️
[loaded] com.avira.antivirus.general.agent.plist Support
[loaded] com.avira.antivirus.ipm.ui.plist Support
[failed] com.avira.antivirus.notifications.agent.plist Support
[loaded] com.avira.antivirus.odscan.default.plist Support
[loaded] com.avira.antivirus.scheduler.agent.plist Support
[running] com.avira.antivirus.systray.plist Support
[loaded] com.avira.antivirus.telemetry.agent.plist Support
[loaded] com.avira.antivirus.update.default.plist Support
[loaded] com.nvidia.CUDASoftwareUpdate.plist Support
Launch Daemons: ℹ️
[loaded] com.adobe.fpsaud.plist Support
[failed] com.avira.antivirus.dbcleaner.plist Support
[failed] com.avira.antivirus.ipm.loader.plist Support
[running] com.avira.helper.watchdox.plist Support
[loaded] com.bombich.ccc.plist Support
[running] com.cleverfiles.cfbackd.plist Support
[running] com.edb.launchd.postgresql-8.4.plist Support
User Launch Agents: ℹ️
[loaded] com.google.keystone.agent.plist Support
[loaded] com.logos.LogosIndexer.plist Support
[running] com.spotify.webhelper.plist Support
User Login Items: ℹ️
SmartDaemon Application (/Library/Application Support/CleverFiles/SmartDaemon.app)
iTunesHelper Application (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
Caffeine Application (/Applications/Caffeine.app)
Alfred Application (/Applications/Alfred.app)
CrossOver CD Helper Application (/Applications/CrossOver.app/Contents/Resources/CrossOver CD Helper.app)
3DconnexionHelper Application (/Library/PreferencePanes/3Dconnexion.prefPane/Contents/Resources/3DconnexionHe lper.app)
Cinch Application (/Applications/Cinch.app)
Internet Plug-ins: ℹ️
FlashPlayer-10.6: Version: 15.0.0.189 - SDK 10.6 Support
Flash Player: Version: 15.0.0.189 - SDK 10.6 Support
QuickTime Plugin: Version: 7.7.3
Default Browser: Version: 600 - SDK 10.10
3rd Party Preference Panes: ℹ️
3Dconnexion Support
CUDA Preferences Support
Flash Player Support
FUSE for OS X (OSXFUSE) Support
Time Machine: ℹ️
Time Machine not configured!
Top Processes by CPU: ℹ️
      16% avguard.bin
      3% WindowServer
      1% fontd
      0% syslogd
      0% AppleSpell
Top Processes by Memory: ℹ️
436 MB avguard.bin
245 MB mds_stores
155 MB Safari
129 MB SmartDaemon
116 MB Calendar
Virtual Memory Information: ℹ️
5.70 GB Free RAM
5.21 GB Active RAM
678 MB Inactive RAM
1.29 GB Wired RAM
1.03 GB Page-ins
0 B Page-outs

Can I set up a new Mac Pro late 2013 using a Wacom Cintique 13HD tablet as the default monitor? How would I install the driver software for the tablet?

Can I set up a new Mac Pro late 2013 using a Wacom Cintique 13HD tablet as the default monitor? How would I install the driver software for the tablet?

The wacom site will have the drivers for you.
http://us.wacom.com/en/support/drivers

My Mac Pro late 2013 hangs at 18 minutes left on update to Yosemite.

I Attempted to update my Mac Pro late 2013 to Yosemite after it was released today through the Apple Store. Unfortunatly after several hours and many auto restarts it hung at 18 minutes to go.
THe Mac is backed up on an Airport 4, but is there any other way and how do I get to the backup?
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Try resetting the SMC and NVRAM
Intel-based Macs: Resetting the System Management Controller (SMC)
About NVRAM and PRAM
Next note the time of text problem and then after reboot open the Console app and look for log entries at that time. Post suspicious ones here

Premiere Pro CC crashing on brand new Mac Pro (late 2013)

Such a big disappointment, yesterday our brand new Mac Pro (Late 2013) with OS X version 10.10.2 was installed and Premiere Pro CC is constantly crashing. One of the problems is that when I open a brand new project and before I add any content to a new sequence I just want to position the video track higher so I can see more audio tracks, the program crashed. I did it several times (new projects, new sequences) every time the same crashing program.
Deinstalled Premiere Pro and reinstalled it again, but no luck.
Tomorrow I created a whole new account with administrator rights on the Mac, the issue as described above was gone but at some point in time the program crashed again, and when I reopen the project, with two sequences open (one with footage and one empty) and I want to close the empty one, Premiere is crashing again. So I can't continue my work on this project and need to start over again....
This is the error report that I'm getting....
I hope somebody can help me on this because it's very frustrating...
Thanks in advance

Hi tschreiber10,
Thanks for posting on Adobe forums,
Please follow this document http://helpx.adobe.com/creative-cloud/kb/ame-premiere-crash-launch-export.html
Regards,
Sandeep

USB Card Reader not recognized on new Mac Pro (late 2013)

My Sony USB multi-card reader (model: MRW62E), which I use for SD cards mostly, works on my MacBook Pro (Retina, Mid 2012), my new iMac, and my old Mac Pro (2009), via the USB ports, but is unrecognized entirely on my new Mac Pro (late 2013). All machines are running OS X Yosemite 10.10.2. Neither the card reader, nor the cards appear at all in FCP, image capture, apple system profiler, the desktop, or disk utility. I cannot find any drivers online addressing the issue, including Sony's website.
Perhaps an additional update for increased compatibility vis-a-vis the new Mac Pro would do the trick...

Does the reader show up under USB in System Report?
If the reader is working properly both the reader and an inserted card will show up.

Mac pro late 2013 Screen flickering

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