Questions tagged [mac-pro]

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 December 19, 2013 and features Intel Xeon processors and AMD FirePro Graphics.

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trustd process v high CPU usage and slooow boot up - OSX 10.13.6

My machine used to fly through booting up but since last week it's very sluggish and once I finally log in, three instances of trustd are operating at a very high capacity for 5 minutes or so. After ...
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Mac Pro 2013 Blank Displays And Can't Hard Reset

I have a Mac Pro, Late 2013 (Trashcan) with Dual D700 Graphics and I recently installed Windows 10 using Bootcamp. In Windows I went into the AMD FirePro Control Panel and clicked "Enable 10-bit ...
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25 views

macOS Big Sur - gatekeeper? slowing down opening applications

At a facility where I work, we have several Mac Pros and Mac Minis. We're in need to upgrade from Mojave to Big Sur so we can upgrade our various production tools, i.e. Pro Tools, DaVinci Resolve ...
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Mac Pro 5,1 PCI GPU power 6/8 pin confusion

I have a Sapphire HD 7950 from eBay I got to go in a Mac Pro 5,1. It has dual 8-pin sockets. Being second hand it has no instructions/data sheet. The one I already own [different Mac Pro] has dual 6-...
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mac pro 3,1 no chimes power up. no keyboard cap lock light, no display signal

My flawless 12 year old mac pro 3,1 dual 2.8 quad core mac isn't getting past fan power up! System info: Mac Pro 3,1 dual quad 2.8 ghz, OWC ram 32 gb, Mojave via drdos patch. Video: nvidia gfx 680 Bay ...
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Brand new mac pro tower has really slow wifi? iPhone and macbook pro 2016 get 100Mbps, while mac pro gets 1/3 of that

I've run out of ideas. I'm right next to my router/access point. I have an iphone, a macbook pro 2016, and a mac pro tower that I've had for a few months. All of them running fast.com show 100Mbps, ...
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Mac Pro tower (2020) ethernet doesn't work if plugged into an unmanaged switch

I'm trying to connect my Mac Pro tower (2020) to my network using ethernet but am experiencing problems if use my Netgear GS105 switch, this setup results in the MacPro saying "Cable connected ...
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Confusion about installing ESXi on Apple hardware

I am confused about VMware and/or Apple's commitment to supporting ESXi running natively on Apple hardware. According to VMware, there are only 8 Apple products that support running ESXi natively (see ...
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37 views

Mac Pro late 2013 Control Buttons?

What is the small slide button located to the upper left of the main connection panel of the late 2013 Mac Pro?
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Downgrade bootrom version on MacPro6,1

Is it possible to downgrade a bootrom on MacPro6,1 to a older version? I have read a bunch about SMCFlasher tool and How to downgrade SMC firmware (which doesn't seem valid anymore) amongst others, ...
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193 views

How to make two internal SSD drives work best on a Mac

I have a mid-2010 17" MacPro with two internal 1TB SSD drives, running Catalina. My hope was that I might be able to figure out a way to make them work effectively as one by pointing the "...
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What does the Legacy Video Card Patch do on the Mojave patcher?

I recently installed Mojave on a 2008 MacPro3,1 with a flashed Radeon R9 270X. Boot screen is fine, debug boot messages scroll by fine, but then when it gets to the login screen the display goes blank ...
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How to troubleshoot 2013 Mac Pro without working display? (Recent MacBooks + iPads available if helpful; Catalina/Big Sur)

Briefly: Is there any way to test a Mac Pro (2013, cylinder model, Big Sur) without a working display — either without a display, or using a recent USB-C MacBook (particularly MBP 2019, MBP 2020, and ...
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Is my MacPro 5,1 single or dual socket?

My MacPro 5,1 is running a 3.33 GHz 6-Core Intel Xeon with 16 GB 1333 MHz DDR3. Is this a single or a dual socket system? Thanks.
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Installing Windows on a Mac Pro 5.1 on top of open core

I'm running a Mac Pro 5.1 (original 2010) with Big Sur on open core with the following specs: CPU: 2 x 2,9 GHz 6-Core Intel Xeon Memory: 48 GB 1333 MHz DDR3 GPU: Radeon RX 580 8 GB SSD 1: 500GB ...
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Airpod pros microphone intermittently does not connect on Macbook Pro and causes headphone disconnect

Odd issue that only seems to affect my Airpod Pros on Macbook Pro (2019, 16 inch). I have used, without issue, other bluetooth headphones with microphone on this computer, and used the airpod pros on ...
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Help troubleshooting Early 2009 Mac Pro (2x 2.66 GHz Quad Core) Fan Issues

I have an early 2009 Mac Pro (2 x 2.66 GHz Quad Core) that recently started having issues. It started as the black screen issue, that I troubleshooted to find that there was an issue with the CPU ...
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black screen with cursor after login recurs the second boot after single user mode fix

Trying to upgrade a MacPro5,1 (2010) to an SSD, I installed High Sierra in it from a 2010 Macbook pro via USB, because it was too damn slow to install it directly in the MacPro, then put the SSD in ...
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Mac Pro Overnight Freeze

My Mac Pro (El Capitan) has an issue that happens quite often. Every morning I expect to have to force quit applications and restart, in order to get the day rolling. It's a routine that I've become ...
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165 views

Mac Pro 3,1 Power Up No Chime Nor Boot

My Early 2008 Mac Pro won't boot. Won't do much, actually. This is what I've done: replaced the power supply removed DVD player removed all RAM removed all video cards (I have a handful of ...
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I'm not sure I can flash the firmware rom on Mac Pro 1,1

I'm trying to port coreboot to the Mac Pro 1,1 and I'm finding it difficult to locate any information on how to use the diag/lpc or other ports to flash firmware on the Mac Pro 1,1 or 2,1. I am ...
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What version of CUDA will run on a NVIDIA GeForce GT 120 512 MB GPU under El Capitan fronted by PyTorch?

I have a Mac Pro 2009 4,1 with twin NVIDIA GeForce GT 120 512 MB GPUs. I'm looking to install PyTorch on to the box using CUDA. My question is what software do I need to load to drive the GPUs? The ...
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How do I change between open Chrome screens on a macPro 10.13.3 using a windows keyboard

This is weird. Ctrl + > works sometimes but not always. When Ctrl + > (> = cursor control keys) works. When Ctrl + > (> = cursor control keys) doesn't work, it brings up the ...
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Mac Pro starts with folder icon and question mark, HD is empty. How to install Ubuntu?

I have a Mac Pro with an empty (no existing partitions) 1TB HD connected to it. I am using a windows USB keyboard and want to install Ubuntu on it. There is no Mac OS installed or running on this ...
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113 views

Install Snow Leopard 10.6.3 on 2010 Mac Pro

I am trying to install Snow Leopard 10.6.3 on a 2010 Mac Pro Quad Core Intel but on a secondary drive that is a solid state drive. My Mac Pro is only upgradable to El Capitan which I am running now on ...
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is there a way to disable a drive bay from the command line?

Regarding a previous question I asked a while ago: Macpro 5,1 mid 2010 cannot boot to Mojave from Mountain Lion? I am wondering, is there any sort of default writes or other software solution which ...
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272 views

Boot Camp Issue with Mac Pro 3,1 and ATI Radeon RX580 graphics card

I have a Mac Pro 3,1 with an ATI Radeon RX580 8GB graphics card, a dosDude Catalina (10.15.6) install on an internal SSD and and a Windows 10 Pro (latest Version and updates) install on an internal HD....
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My Mac 3,1 isn't recognizing one CPU - Dual Xeon

I have a mac 3,1 with dual Xeon's. It definitely has 2 CPUs because when I bought it I checked system information and is said 2 CPUs and I put better thermal paste on both of them just just to improve ...
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61 views

Mac Pro not booting after update

Mac pro 2009 4,1 Boots up but no video output (black screen). It was working fine on the old OS that was on it(not sure which OS). I want to update to the highest OS (el capitan) it can run. So I did. ...
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229 views

“[__NSDictionaryM setObject:forKey:]: object cannot be nil (key: _name)”

I recently wiped and reinstalled my MacOSx operating system due to repair corrupt files, too many old migrated, and unrepairable user permissions errors. I am the only user and have been the only user ...
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Mac Pro GUI frequently hangs for two-to-ten minutes

I am experiencing repeated hangs on my Mac Pro. Symptoms: The entire GUI hangs with the exception of the mouse cursor I can move the mouse cursor I can't scroll I can't select a different window I ...
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How do I get the heat sink bracket off on the Mac Pro 2013 (trash can)?

I have a Mac Pro 2013 which I bought in 2018. I’ve read they are upgradeable (macsales.com has a video on how to do it). I bought a 12 core chips to replace the 6 core chip it came with. I tore the ...
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Any way to check if my AirPort card is going bad MacPro 2013?

Every day for the past couple days, my WiFi on my MacPro 2013 running Mojave 10.14.6 has spontaneously vanished. The signal strength icon in the menu bar goes gray, and the status is "Wi-Fi ...
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189 views

Mac Pro 2013 A1481 Power Supply Test

I have a Mac Pro 2013 A1481 with a suspected bad power supply, I would like to test the bus bars from the PSU to the logic board with a multimeter. Would anyone be able to provide some instructions on ...
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67 views

Mac Pro 5,1 (Mid-2010) not seeing airport card with Mojave

So, this is very strange: I have a drive with Mountain Lion on it, and when I boot that drive, I have WiFi (using the installed Airport card). I just made a clean install of Mojave and when I boot ...
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42 views

Mac Pro 2010 (5,1) problem: White / white-striped screen, loud fans, then restart

BIG problem. My computer has intermittently shown this problem (in the title). The screen goes blank, fans go very loud, then the computer restarts itself. This happens mostly when using Logic, and ...
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External display sometimes briefly turns on but stays black

I have a 2019 Mac Pro (the new cheese grater) connected to an external display via Thunderbolt 3. When I put it to sleep though, sometimes the display will turn on and display all-black for a few ...
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What makes macOS 11 Big Sur supported on a 2013 MacPro and not a 2012?

In the past, older Mac Pro machines have not been supported by newer macOS releases due to standard features on the machine (e.g. Bluetooth wasn't standard on 2008s, limiting Sierra) or by CPU ...
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46 views

Upgrading CPU in Mac Pro 5.1

I am planning to update my CPU on my Mac Pro 5.1 2010. As shown here the highest CPU I can get is the dual 6-core Xeon 3.46GHz. Now I wonder if this one I found here can be used straight away without ...
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506 views

Display configuration problems with Mac Pro

I have a Mac Pro (trash can) with dual D600 graphics connected to 3 x 4K displays using mini-DP to HDMI cables that are rated to work 4K @ 60Hz. Due to the size of the mini-DP connectors, I can fit ...
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68 views

1066MHz memory in 3.33GHz 6-core Mac Pro 5,1

I have gotten conflicting messages about whether or not 1066MHz memory will work in my Mac Pro 5,1 (6-core Westmere 3.33GHz). As opposed to 1333MHz. (Both DDDR3, ECC, 240-pin). Will it function ...
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Old Mac Pro with consistent, mysterious ailment

"MacPro 8-core", aka "8x", aka "MacPro2,1", from 2007-8. Frequent syndrome with always the same two symptoms together: at the end of boot sequence, right when desktop is supposed to display, monitor ...
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413 views

Compare between Apple Mac computers

I am thinking about purchasing an Apple Mac computer. But I am confused between the different types of Apple Macs available. I am clueless how to make a choice. Is there any website or a resource ...
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using rEFInd to get around lack of boot screen when using unsupported GPU in Mac Pro

I am trying to upgrade a 2012 Mac Pro (model 5,1) to Mojave. I have installed High Sierra and updated bootrom to MP51.0089.B00. I've got a required "metal capable" graphics card (Sapphire PULSE ...
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730 views

backupd using massive CPU

Machine info - macOS Mojave, Mac Pro 4,1 with 5,1 firmware. Dual 6-core Xeons, 64GB RAM, 5 internal drives, 1 SSD, 4 HD. I don't want to prevent Time Machine backups, but I'd be happy enough if ...
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123 views

Upgrade Mac Pro 5.2 2012

I have a Mac Pro 5.2 2012 which currently has both the GeForce and Radeon, 16 GB memory and 1TB normal HDD. I want to upgrade this Mac Pro to its max without over doing something, for example I read ...
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102 views

Change drives in Mac startup manager to display “Macintosh HD” instead of “EFI Boot”

I have a Mac Pro 3,1 running Catalina (patched by dosdude1's installer to work on my unsupported Mac). Initially, I was having problems with my GPU which led me to install OpenCore as per the ...
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83 views

Is there an easy way to find the specification pages for old Apple Computers that have now been removed from the Apple Support pages?

I recently noticed that it no longer appears possible to view the specifications for old Apple computers directly from the Apple website; their specification pages appear to have been deleted. I'm ...
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58 views

Is the firmware update for APFS on an older Mac on disk or NVRAM?

My 2008 MacPro3,1 is getting long in the tooth and one of the few things left I can do for it before retiring it is to set APFS as the system drive so that I can attempt to run Mojave on it. However, ...
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57 views

Mac Pro 3,1 with no display output

My 2008 mac pro suddenly stopped communicating with my monitor(s) - it boots (chimes) but no signal to monitors - I have checked with multiple monitors and cables. Have replaced the logic board, cpus,...

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