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mac pro (2008)
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Troubles and solution for reinstall El Capitan or more old OS under El Capitan or more with USB boot on Mac Pro 3.1 2008
Hello everyone, I am submitting a problem under El Capitan Mac pro 3.1, I cannot reinstall El Capitan from a bootable usb. It is the same via Recovery. In Recovery mode when it connects to Appstore with my identifier an error type 403 forbidden during the signature phase of my account. While I...- chambrial
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- el capitan 10.11.6 mac pro (2008)
- Replies: 3
- Forum: OS X El Capitan (10.11)
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MP 1,1-5,1 Troubleshooting Mac Pro 3,1
I'll be using this Mac Pro and the screen will go black and the fans will rev up to maximum RPM. I have dual CPU and 32 gigs of RAM, stock Nvidia GPU. I will run AHT, extended test mode, it will never repeat what happens when the screen goes black and fans rev up. I've tried swapping RAM...- LyonAdmiral1981
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- mac pro (2008)
- Replies: 1
- Forum: Mac Pro
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MP 1,1-5,1 Mac Pro Early 2008 Boot Loop Issues
Hi all, —CROSS FORUM POST as I know not all of us are in the same forum circles and somebody here may have the golden answer!— I could really use some help from this knowledgable community to get an old MacPro 3,1 back up and running. Basically for a bit of background, our IT department at... -
MP 1,1-5,1 Niche Mac Pro RAID Card Question
I have an Apple RAID card part number A1247 that was pulled along with its four RAID drives from a fully working 2010 Mac Pro. I made an attempt to sell the kit but got no takers so its been sat around in an ESD bag for a while now but I could do with trying to retrieve some data from it. The...- Waragainstsleep
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- mac pro (2008) raid
- Replies: 0
- Forum: Mac Pro
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MP 1,1-5,1 cMP3,1 Monterey (OC) trouble falling asleep
Hello everyone I am trying to figure out why my cMP3,1 won't sleep. I've successfully installed Monterey using OCLP and everything works great apart from sleep. When I select –Sleep video is cut, the screens go to power save and the HDDs are spun down. The white power button light starts to... -
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MP All Models Mac Pro Tower early2008
Hello everyone, first of all I need to apologize for my post because there are many other posts that says go to OpenCore but I am a musician, not smart enough regarding the technical side of it. I am working with my Mac Pro since 2012 and I was able to upgrade it bit by bit until El Capitan. I... -
Other Mac Pro 2.1 and I can't seem to get it to boot.
Picked up a nice 2.1 Mac Pro (model A1186 EMC 2138) from FB Marketplace cheap this weekend to play around with. Mac looks like it's been upgraded previously and has: 3.0ghz quad core Xeon X5365 processor (x2) 32gb RAM ATI Radeon HD 5770 1GB video card Mac had a 256gb SSD but when I would boot...- psycho78
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- mac pro (2008)
- Replies: 5
- Forum: Early Intel Macs
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MP 1,1-5,1 Mac Pro 2008 MCP Diode Temperature Sensor Stuck at 64°C
About a year ago my trusty MacPro3,1 decided to start running it’s IO fan at a constant full speed. I tried the usual SMC and PRAM resets, and renewed the thermal paste in attempt to resolve, but it made no difference. It looks like the issue is the MCP Diode temperature sensor which reads a... -
MP 1,1-5,1 A 4k mystery: Why am I able to output 4k30 over DVI to HDMI via GeForce 760 on a cMP 3,1?
i was making a video about running macOS Sonoma on a Mac Pro 2008. I had it connected to an CamLink 4k to capture the video for things OS installation via a DVI to HDMI cable, the exact model is this, an Amazon Basics cable. The HDMI end is on the Camlink, and the DVI end on the GeForce 760. I... -
Mac Pro 3.1 [Mouse / Keyboard Stutter ; Mystery Disease ]
( Make sure to read follow up post for new damning evidence ) Whats up Legends! I come back every couple of years ; and you guys always come through ; so here I am again lol. The specs are in the attached image ; and the issue is in attached video ; but short is a Mac Pro 3.1 Quad Core Xeon...- MENESthePharaoh
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- mac pro (2008)
- Replies: 1
- Forum: Early Intel Macs
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Mac Pro 1,1 2008 upgrade - is it worth it?
Hi everyone, I have this old Mac that I still use in my home studio for audio recordings. It's time to get back in the present, I'm consindering to buy a new machine but I was wondering if there's still some juice that could I squeeze from this old battle axe by providing it some new equipment...- PUPINASHOUSEREC
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- mac pro (2008) upgrade concerns
- Replies: 22
- Forum: Early Intel Macs
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Mac Pro 3,1 Black screen when booting into windows
Hello, I am currently running an early 2008 3,1 Mac Pro running 10.11.6 and had successfully installed and ran windows 8 and 10 on separate drives while using a ATI Radeon 4870 HD 512MB. Mac OS as well as windows 10 worked perfectly on it.I swapped my graphics card to a ATI Radeon 5870 HD 1GB...- Mac64ps
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- ati 5870 bootcamp mac pro (2008) win 10
- Replies: 0
- Forum: Windows, Linux, macOS, & Others on the Mac
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MP 1,1-5,1 mac pro 2008 with flashed ati radeon hd 5770
I have old 2008 mac pro with flash ati radeon hd 5770. And I wanted to upgrade it, but I had no money so i tried to flash it. The flash seemed to be succesful, but I think it isn't properly flashed. It still works, and I can get into macOS recovery settings. But, I still can't get into startup... -
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MP 1,1-5,1 Mac Pro 3,1 PSU Issue/Not Booting
I recently got a 2008 Mac Pro from a friend as it was not working, and I’m trying to see if I can get it running again. Turing the machine on shows a solid light on the power button and causes the fans to spin at max, but it doesn't show a display or signs it had booted. From what I have...- catalina19
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- mac pro (2008) not working power supply
- Replies: 2
- Forum: Mac Pro
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MP 1,1-5,1 My 2008 3,1 mac pro only boots with a DVD
Hey guys, I recently picked up a 2008 3,1 mac pro with a gtx 770 24GB of ram and dual quad-core Xeon at 2.8gz. it came with macOS 10.9 installed and I want to put windows on there, so I made a bootable windows disk and selected the DVD as the startup disk in system preferences, the windows 10...- macprouser111
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- can't boot mac pro (2008)
- Replies: 4
- Forum: Mac Pro
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MP 1,1-5,1 Screen share/Apple Remote Desktop/other severely slows down the Mac Pro (3,1) being shared
All I wanna do is run a headless Mac Pro(3,1, with @dosdude1 patch for Mojave). The instant I connect, mouse/keyboard latency becomes intolerably slow, on the Mac Pro itself, whether I'm looking at it through the two MacBooks I tried this with, or sitting in front of the Mac Pro (display...- joshuafried
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- dosdude graphics mac pro (2008) remote desktop
- Replies: 29
- Forum: Mac Pro
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MP 1,1-5,1 Getting ready to upgrade older mac pro to latest version of Mac OS
Hello all, I have a customized mac pro that is currently running Os High Sierra. I want to install the latest version of photoshop but it requires a higher version for Mac OS. I am thinking about installing MacOS Big Sur or Montery. However, it has been a few years since I last touched this... -
MP 1,1-5,1 Any ideas on how I might connect my new 8TB HDD to my 2008 Mac Pro?
My backup/TM drive failed a while ago so I got this one to replace it. The only problem is that 2 (in 4) of the holes for the screws to mount it internally are in the wrong place. I thought about returning it, but I checked and it’s like that for every single HDD of this size or larger. I guess... -
MP 1,1-5,1 Sony Bravia says no signal when Mac Pro is in Startup Manager
I’m trying to update the OS of my 2008 Mac Pro from El Capitan to Monterrey using a 3rd party utility that configures Macs with dropped support to work with it (OpenCore Legacy Patcher). When installing I put it on the internal I only use for Time Machine as it had the free space and I didn’t... -
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MP 1,1-5,1 Mac Pro 2008 power led indication list
Hi All, this is my first post here though I’ve often arrived here when searching for troubleshooting answers. I have a Mac Pro 2008 (3,1) that I bought new for research originally. It lived it’s life doing day to day tasks while running simulations that took sometimes days in the background...- Robot_builder
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- diagnostic leds front panel led mac pro (2008) startup trouble
- Replies: 1
- Forum: Mac Pro
