The Mac Pro is a workstation computer manufactured by Apple Inc.. The first Mac Pro was based on dual Dual-core Xeon Woodcrest processors and formally announced on August 7, 2006 at WWDC. The current model Mac Pro was announced on July 27, 2010 and features Intel Xeon processors based on the Nehalem ...

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Mac Pro hangs at startup showing white screen with spinning pie wheel

MacPro 1,1; lion? startup hard drive failed (with loud buzzing). Removed bad drive, installed replacement, inserted Lion USB drive, verified new drive using the Lion usb drive, started installation ...
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Mac Pro 2008 Refuses to Boot

My Mac Pro 3, 1 began rebooting randomly one day and the next it wouldn't come back on. Pushing the power button results in a fan clicking in to life for half a second and then all power is lost. The ...
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Cannot access vital boot options on Mac Pro with OS X Lion

I have this used Mac Pro (mid-2010) that I recently bought, that came with OS X Lion installed. It was apparently installed from an image because there are a lot of installed apps and, though there is ...
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MacPro OS install kernel panic

Something happened(crashing and graphic issues) to my MacPro(3.1) and so I decided to reinstall the OS with the factory discs. When I try to boot off the discs I get the following error. panic(cpu 0 ...
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2answers
207 views

Wi-Fi fails to connect after OS X 10.10.2 Update

I have a Mac Pro 4,1 that was just upgraded to OS X 10.10.2 (14C109). I've used an ASUS PCE-AC68 wireless adaptor since Mavericks, and haven't had any problems before now. I understand that this ...
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39 views

VMware ESXi compatible RAID card for the Mac Pro

I have a 2009 Mac Pro that I'd like to add a hardware RAID card to. I am running VMware ESXi with various OSes running as VMs. The Apple RAID card is not what I'm looking for. I would also like to ...
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2answers
113 views

Kid installed XP over OSX, help!

He thought he was installing it with Boot Camp, booting with option held down shows 2 HDs (Windows and EFI Boot) and clicking on either of them just launches XP. So, option doesn't work, R doesn't ...
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1answer
105 views

Should the Windows 10 Technical Preview work in BootCamp 5.1 on new Mac Pro (Desktop)

Microsoft released the windows 10 technical preview . I am not 100% thrilled with the user experience of windows 8.1 so i wanted to try this out on my new Mac Pro (the garbage can black one). Does ...
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54 views

How to get SATA III on Mac Pro 5.1

I just put a nice new Samsung 850 SSD drive into my Mac Pro 5.1 and noticed that it maxes out at 250MB/s write/read. The drive should be capable of speeds around 500MB/s, so the culprit here is surely ...
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1answer
52 views

What is the largest hard drive a Mac Pro 3,1 (early 2008) will support?

What is the largest internal hard drive a Mac Pro 3,1 (early 2008) can support? I read here that it's around 1.2 TBs is that correct? Also I plan to run Proxmox on it, not Mac OS X (well, I might ...
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2k views

Mac Pro: Kernel panic during HDD boot and DVD boot

I have a 2007 Mac Pro (OS X Tiger 10.4.11) that cannot boot up anymore since a few days. I see the grey screen with the apple logo and the rotating circle. After a minute or so I get a kernel panic. ...
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2answers
55 views

Maximum memory config for Mac Pro 5,1 (mid 2010)?

I have a MacPro5,1 with 8 cores (2 quad-core processors) running OS X 10.10.2. From what I have read as per EveryMac.com's information about this unit it should be possible to have far beyond the ...
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31 views

Third and fourth monitors disconnect on reboot

Yosemite 10.10.2 (14C109) I have four monitors connected to my mac pro. One connected to the HDMI port, one connected with a passive (single link) DVI connector and two connected with dual-link DVI ...
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1answer
38 views

Why Does A New Mac Pro Only Support a Single Internal Drive?

Every graphic-heavy application I have used has recommended storing files it uses on a separate disk from the boot disk (preferably an SSD), however with the new MP this isn't an option. The only way ...
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2answers
2k views

Choppy Fullscreen Flash or HTML5 video playback in Chrome on Mac Pro

Does anyone know how I can solve this annoying issue of fullscreen video in Chrome displaying very choppy and jumpy? It's unwatchable. I've had the problem in Chrome ever since I got this 2014 Mac ...
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46 views

trying to install a new graphics cards in mac pro tower 5,1

nvidia GEFORCE GTX 750ti stuck at black screen tried installing custom nvidia driver, no dice any suggestions? running mavericks but trying yosemite because nvidia has newer yosemite drivers trying ...
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84 views

Please help me troubleshoot MacPro Kernel Panic

I am getting a lot of Kernel Panics recently, sometimes several per day. Here is the most recent one which occured when running Pro Tools HD on my MacPr 2,1: Interval Since Last Panic Report: 290582 ...
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Trick Mavericks into letting me use Windows 7 for Boot Camp

I would like to set up Boot Camp with Windows 7 on OS X Mavericks 10.9.2. I am using the new Mac Pro (MacPro6,1), in case that is relevant. (Perhaps the PCIe flash drive is just not capable for ...
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1answer
43 views

Convert Mac Pro internal boot drive into an external harddrive without wiping

I have a 2008 Mac Pro running Yosemite. I just purchased a solid state hard drive which I want to become my boot drive. I do not want to transfer the data from the original boot drive to the solid ...
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1answer
123 views

Will either a NVIDIA GTX660 or GeForce GTX 760 plug n play with Mac Pro 2009?

I've researched but am still unclear whether NVIDIA GTX660 or Zotac GeForce GTX 760 will just slot into my Mac Pro 2009 without buggering about with power supplies etc.
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2answers
101 views

Yosemite + PCI Serial Card?

I have a PCIe serial card in a Mac Pro based on the 16950 that's been working fine up until Yosemite. It's been working with the built-in Apple16x50Serial.kext driver. With Yosemite, it looks like ...
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45 views

Problem with external Monitor, flickering green when using graphics extension cables

using Mac Pro first generation any type of graphics extension cable makes my cinema display have flickering green over the black ares of the screen if i connect directly to the cinema display the ...
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15 views

MacPro6.1 interface issues and unstoppable auto shutdowns

I have a MacPro 6.1 which has had sequential issues with a fully loaded set of interfaces (two displayport-fwire adaptors, multiple thunderbolt devices, full loaded USB2/3devices plus extension hub) ...
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45 views

Turning on LED monitor causes menu items to disappear

When turning on my LG LED TV, random menu items disappear (but are still accessible, it's just the icons that seem to disappear). Here is what the menu bar looks like on the newly turned on LG TV ...
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Can I play audio from my iPhone on my Mac?

Can I attach my iPhone 3GS to my Mac Pro so that the iPhone's audio plays through the Mac Pro's speakers? I can easily attach my Bose headphones so that the music from the iPhone plays through them… ...
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266 views

What's a good graphics card for Yosemite on a Mac Pro 1,1?

I'd like to upgrade my Mac Pro 1,1 (using the EFI workaround hack) to run Yosemite so all my Macs are running the same version of OS X. This old box is only used as an HTPC, so smooth 1080P video ...
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1k views

MacPro 3,1 (2008) logic board SAS connector: Has anyone “replaced” the stock hard drive backplane?

I have a lightly hot-rodded, early 2008 MacPro 3,1. Boots from an SSD mounted in the lower optical bay and attached to the second optical SATA port. Each of the four internal drive bays hosts a 3TB ...
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843 views

Yosimite Detects Faulty RAM Module but Apple Hardware Test Does not?

I just bought a used MacPro3,1 on Amazon. The system came with Mac OS X 10.6 but I downloaded Yosimtie and it states that one of the 2GB modules is faulty. When I installed Yosemite it wiped ...
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1answer
54 views

Are there any Hardware RAID Cards with Batteries that will work in a MacPro3,1?

I'm looking to install Proxmox on my MacPro3,1 and it's suggested that if you plan to use the system for 5 years that you install a Hardware RAID card with a battery in it, so that if the power goes ...
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1answer
5k views

MacPro Hard Drive 3 TB or Larger formatted to Logical Volume Group by Disk Utility

I have an Intel MacPro in which I recently installed a new internal 3TB hard disk. I attempted to format it in Disk Utility using the standard GUID partition map and encountered a strange problem. ...
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362 views

USB 3.0 Card on a 2008 Mac Pro running Yosemite 10.10

I have a 2008 Mac Pro that I used to have a USB 3.0 card installed on that has stopped working with each OS release and is dependent on the use of a Kext Wizard which can create compatibility and ...
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4answers
571 views

2006 MacPro - Worth upgrading for use as a VM host?

I have a MacPro 1,1 bought in early 2007. Earlier this year I was about to recycle it but tried installing an SSD as a boot/apps drive. It has been a great success, it now feels like a new machine and ...
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118 views

Why does my wired ethernet connection die periodically after a DHCP lease renewal?

I've got an Early 2008 Mac Pro (MacPro3,1) that is fairly healthy from what I can tell. It has survived OSX upgrades from the original 10.5 to 10.9.x (haven't pulled the trigger on Yosemite yet) and ...
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1answer
35 views

How can I check the hardware of a Mac Pro 1,1 running 10.6.8?

Mac Pro 1,1 running OS 10.6.8, I am having finder freezes that forces me to force quit using the power button. I do not have the disks that shipped with this computer which would have included Apple ...
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58 views

Mac Pro how to boot in safe mode with a Windows Keyboard?

Model No: A1186 Mac Pro 3,2 I think it's a 2008 with an unknown version of MacOSX installed. I'm stuck at the blue screen, I'm pretty sure it's a permissions problem, as I lost the network ...
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0answers
89 views

Intermittent Keyboard Failure when Waking from Sleep

So after a pretty catastrophic failure (see: Yosemite Upgrades: Lost and Broken User Accounts ) I have reinstalled Yosemite on my old tower-style Mac Pro and begin the work of restoring from backups. ...
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124 views

Compatibility issues when running Linux on Mac Pro (late 2013)

Are there any unresolved compatibility issues (like SSD, Thunderbolt 2, Gigabit ethernet, etc...) when running Linux natively on the Mac Pro cylinder (late 2013)? Here Ubuntu has a community guide on ...
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76 views

Having trouble mounting a 12TB Raid on Ubuntu Server

I am running a Ubuntu server on my off of my 2008 MacPro, it runs great and works really well except I am not able to run any raid setups directly on it. I have a large library that needs to be ...
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1answer
94 views

Mac Pro with fresh install of Ubuntu Server 14 will not boot

I installed Ubuntu Server 14 on my Mac Pro and now after a successful installation, when I tried to reboot it, the computer chimes like a Mac always does, but does not load any further. Normally I ...
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1answer
55 views

Power Connector for SSD in 2009 Mac Pro

I have a Samsung 840 Pro in my 2009 Mac Pro, and due to the 2009 Mac Pro only being SATA 2 I get about half the read/write speeds. I've been doing some research and I came across a SATA 3 PCI-E card ...
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929 views

Mac Pro loses network connection after wake from sleep since Yosemite upgrade

I have a really strange issue since i updated to Yosemite. When i wake up my 2012 Mac Pro, the network connection is totally lost. Output from dmesg (sorry, couldn't copy/paste at this time): - Nic ...
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2answers
712 views

Mac Pro 2008 will not boot and no video out

I have a friend with a mac pro 2008 model - which is failing to boot. Windows 7 was the predominantly used OS on it, and she hardly ever booted into OSX Snow Leopard. She did change the graphics ...
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1answer
287 views

Is there an 802.11ac Airport Extreme card available for older Mac Pro machines?

When I built my macpro3,1 machine (Early 2008) back in the day, I chose not to get an Airport Extreme card since I only intended to connect it via an Ethernet cable. However, I've noticed that the new ...
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130 views

Is there an update for the MacPro3,1 overclock utility that ZDNet produced several years ago?

The Mac Pro from 2008 (MacPro3,1) is still a fairly relevant machine in the modern OS X as not only does it run the latest releases of OSX, but also the 8 CPU cores that it came with provide enough ...
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26 views

Trying to make a portable Mac Pro.

Is there a third party way to use a Mac Pro as the "computer" and a laptop as the Screen, mouse, keyboard, speaker, ext?
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2answers
4k views

Three-finger trackpad gesture on Mission Control and Expose not working in my Mac Pro

The trackpad gesture to call Mission Control or Expose with three-fingers does sometimes not work for some reasons. It works when I use four-fingers, and it functions as usual whenever I open my ...
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62 views

Anyone with Mac Pro, please help with CPU question! [closed]

I'm about to buy a Mac Pro, possibly an iMac instead, in a few days for extensive 3D and video work. I was able to try an online CPU stress test which renders complex video frames on the iMac but I ...
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1answer
100 views

Can fiber channel cards be used to connect a Mac Pro server to our unmanaged switch?

(I've tried to research this, but I am a newbie when it comes to this topic, so my searches aren't quite yielding the most helpful results.) Our company processes a lot of Mac Pros for resale, and ...
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8answers
28k views

Mac Pro fan makes constant noise. Why?

I have a 2009 octocore Mac Pro. A few weeks ago it started making a constant noise. It sounds like a fan. The computer is not particularly hot. I checked with Temperature Monitor and CPUs/disks/etc. ...
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1answer
117 views

Mac Pro 1,1 OSX 10.6.8 corrupted display

On startup, I see a corrupted video stream as above. Recently replaced stock video board because I wasn't getting any video output. Any ideas on what might be wrong and how I can fix it?