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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MacBook Pro Hardware & Software Issues under warranty

I have a MacBook Pro(13-inch Retina display), bought on 27 November 2015, from Bangalore India. Last Monday it got some booting problem, and I was not able to go forward from the boot screen, always ...
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23 views

“this item is temporarily unavailable” OSX Lion Reinstall

So I woke up today with all of my permissions gone today, my Mac Pro 1,1 with OSX Lion booted into a System Administrator mode. Here is a picture of what is happening So I decided to reinstall OSX by ...
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1k 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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37 views

I can't login to my Mac with my User Account

My Mac Pro can't login with my user account. It took too much time to login and it has been loading for 3 hours. It stopped running and I can't enter my account
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2k views

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 CPU temperature discrepancy

Before I just rush into ripping apart my machine & putting new thermal paste on the CPU heatsinks, I thought I'd try running this past Ask Different. I have a 'Franken-Mac' Pro 4,1 with the full ...
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2answers
356 views

6TB drive in Macpro 2008/2010

The 6TB drives have changed their mounting hole configuration. Has any vendor introduced a bracket for the 2008-2010 Macpro (I know these are different from each other, I own both) to handle this? On ...
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8 views

how do i download my camera to Light Room without Photo interfering [duplicate]

Photo App on El Capitan will not let my camera be seen by Adobe Light Room. Can't uninstall Photo
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1answer
29 views

4k vs 5k Monitor as “Retina” on older MacPro

I am currently running my MacPro (late 2010) with a 30" (2840 pix wide) and often an old iMac 27 as a secondary display. I'd really like to upgrade to something more crisp - the difference on my MBP ...
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345 views

Mac Pro 1,1 (2007) Not Updating To El Capitan

I recently purchased an old Mac Pro, from eBay to use it as an advanced CPU performance computer as opposed to my 2012 MacBook Air that can't endure much. So far it is working, I have gotten a ...
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1k views

Messages on MacBook Pro not working

I can't get Messages to work on my Macbook Pro (retina). One day it just went offline, and I can't get it back online. When I try to login I get this screen and it won't accept the password, even ...
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How does OSX assign disk numbers?

I have four drives inside my Mac Pro. Bay 1: /dev/disk1s3 Bay 2: /dev/disk0s2 Bay 3: /dev/disk2s2 (also, my boot drive) Bay 4: /dev/disk3s2 and /dev/disk3s3 How are the disk numbers assigned? If ...
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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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7 views

Use extra drive bays in Mac Pro for NAS?

I am considering using the extra drive bays in my 2009 Mac Pro (I only use one) as a NAS just to back up my main 1 tb drive. I plan to use 1 drive bay for the NAS os and use the other 2 bays for the ...
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39 views

Understanding keychain

I am having a hard time understanding how does Keychain works, whats the default setting for it as long as i dont touch anything? and what if I don't remember my first password? Can someone explain me?...
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18 views

Mac Pro early 2009 FireWire problems

I have an early 2009 Mac Pro and a FireWire audio interface that I haven't used in a couple of years. I just plugged it in to the Mac and nothing happens. The device doesn't get power, and even if I ...
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23 views

MacPro 3,1 (early 2008) won't start after crashing

I have a MacPro 3,1 (early 2008) with OS X Lion (updated). We were working on editing a movie with Final Cut Pro, then the screen went blinking and a kernel panic occurred. Since then, it is ...
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2k 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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Mac Pro acts as if no memory installed when upgraded (but only when new & old combined)

I bought a memory upgrade for the mac pro from crucial, http://uk.crucial.com/gbr/en/mac-pro-%28late-2013%29/CT5019227 I installed it, by itself, it works fine, system boots and everything is perfect....
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40 views

MacBook Pro won't turn on!

I was using my Macbook Pro when it turned off. The things I had plugged in at the time were a USB cable to a sound blaster thing and then into some speakers. I also had a second monitor attached, ...
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3answers
5k views

Problem Installing Boot Camp Windows Partition on new Mac Pro

I am stuck with a Boot Camp installation on a new Mac Pro. I have tried Windows 8.1 Pro, Windows 8.1 Enterprise, and Windows Server 2012 R2. (Can't try Windows 7, obviously.) All three give me this ...
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31 views

Can't log into my MacPro user account

I have an older Mac Pro in 10.11. After a minor update, I can no longer log into my main user account (which is a standard account) with all my files; the rotator goes indefinitely. I can log into any ...
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208 views

EFI Boot Windows 8.1 or 10 Install on MacPro4,1 / Mac Pro (Early 2009)

I would like to install Windows 8.1 or 10 on a separate single SSD disk in my MacPro4,1 (not yet flashed to MacPro5,1) using only EFI/GPT method. The machine has a 64Bit EFI (rEFIt reports version 1....
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MacPro1,1 on Mavs - suddenly won't start

I updated the EFI and it has been working for the last 6 mons with Mavs 10.9.5. the method I used Suddenly last night it decided not to start up. I've tried Recovery, Target, option held to expose ...
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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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165 views

Is it possible to use screen sharing without the remote screen being visible?

Let's say I have 2 MacPros: MacPro at work MacPro at home I wonder if there is any way I could access my MacPro at work from home using the screen sharing method, without anything being visible on ...
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31 views

Folders created on a network drive by another user show as untitled until mac is rebooted

I have a user on a late 2013 Mac pro that when one of our other Mac users creates a folder in our shared nas drive the new folder will show in finder as untitled on his Mac and he will not be able to ...
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3answers
211 views

Mac Pro (10.11.5) can't log in, doesn't display screens

I have an old Mac Pro tower (2009; firmware 5,1). I just updated to the latest El Capitan OS X 10.11.5 from 10.11.4. Since the upgrade, the computer has not been displaying screens (I have an Nvidia ...
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409 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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3answers
3k 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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26 views

Mac Pro 2,1 updates and firmware question:will the firmware from the older work with the newer and vice versa?

I'm pursuing an alternative boot drive so i can explore a yosemite or elcapitan environment from my old mac pro 2,1 currently in the last version of snow leopard. (with legally purchased soft ware ...
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Where can I buy a replacement Mac pro 2013 SSD drive?

Having acquired a second hand Mac Pro (A1481) I want to upgrade the internal SSD drive from 256GB to at least 500GB. I have spent hours searching online, and can't find a provider other than OWC The ...
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What happens when PCIe boost circuits are overloaded?

In my understanding, the 2010 Mac Pro is rated for 75W of power for each PCIe slot, plus 75W for each of the two 6-pin boost (aux) circuits. I know it's possible to exceed these limits, because I do ...
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37 views

What is the maximum safe current for Mac Pro PSU?

I regularly put my 2010 Mac Pro under pretty heavy usage, maxing out the 12 core CPUs and GTX Titan Black. I can monitor the voltage and current using iStat Menus, but I'm looking for a specification ...
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1answer
544 views

What are the hardware requirements for Hypervisor.framework?

I was planning to use xhyve to virtualise FreeBSD on my early 2009 Mac Pro (eight core) which has a fresh install of El Capitan (with all updates).I installed via homebrew and I get the following ...
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2answers
3k 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
4k views

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

When I built my Mac Pro 3,1 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 ...
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446 views

Is there source code or an update for the Mac Pro 3,1 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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48 views

Why exactly do people consider the Mac Pro 3,1 (Early 2008) PCI bus too slow for fast GPUs?

I've upgraded the GPU on my MacPro3,1 (Early 2008) from the original 8800GT to a 6870 and things were fine. I've been looking recently to take it another notch up the ladder, but I've stumbled across ...
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240 views

Are there any Hardware RAID Cards with Batteries that will work in a Mac Pro 3,1?

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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63 views

Latest OS X I can install on Mac Pro 3,1

After many years of having kernel panics with black screen shut downs I finally bought 32 GB of brand new 800mHz memory and all seems fine now. I would now like to upgrade OS X. What is the latest OS ...
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1answer
92 views

Is it possible to upgrade a Mac Pro (2007) with Lion (10.7) to Yosemite (10.10)?

I have a MacPro (mid-2007) with the configuration listed below: Processor: 2x 2.66Ghz Dual Core Intel Xeon Memory: 20Gb 667Mhz - DDR2 FB-DIMM OSx: Lion 10.7.5 NVIDIA Chip Model 1024Mb SSD: 512Gb HD2:...
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2answers
93 views

Is the SSD “stick” in the MacBook Pro the same as the Mac Pro?

I have one of the new Mac Pros, and I'm thinking about upgrading the internal SSD. It seems that some Amazon sales suggest that the drive is the same format as in the Retina MacBook Pro. Does anyone ...
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Limiting Mac Pro (late 2013) power draw

I'm planning to buy a trashcan mac pro, but I have strict limits about power draw. Is there any trick to limit cpu frequency? You can do so quite easily, for example, in windows and linux. Limiting ...
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1k 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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217 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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100 views

Mac Pro 1.1 stuck on grey screen

After Software update to 10.11.4 form 10.11.3 on my Mac Pro 2006 I can not boot up from any media, like DVD, USB memory, Network, you name it, and can see only a grey screen. I have now GeForce GT7300 ...
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86 views

Intel Mac Pro 1.1 stops responding after ~5 minutes

If anyone could shed a little light on this, I'd be extremely grateful. I have a 2006 mac pro 1.1 (intel cpu) that consistently stops responding after 4-5 minutes. The mouse still moves but nothing ...
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85 views

Mac Pro stuck on white loading screen

I have Mac Pro which is running 10.8.5 After I turn on the Mac, I can see the regular apple logo, but after it's disappear, I see white screen (whiter than before) and a loading wheel for a few ...
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59 views

Best practices for Macbook Pro usage [duplicate]

I have a new Macbook Pro and I want it to last and keep a healthy battery. How do I best ensure this? If I am using it, do I let it discharge, or leave it plugged in? If I am discharging it / ...