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mac pro (2009)

  1. M

    MP 1,1-5,1 Accelerated fans Mac Pro 5.1

    Hello, I have a 2009 Mac Pro Xeon. Recently, I upgraded it with a CPU tray featuring dual 2.93 GHz Intel Xeon 6-core processors, totaling 12 cores, 64 GB of RAM, and installed Monterey using OpenCore. Everything worked perfectly, but after the upgrade, as soon as I turn on the Mac, the fans kick...
  2. Xebrafish

    MP 1,1-5,1 Mac Pro 4.1 no image - cooked?

    I have a classic 2009 Mac Pro from a friend that doesn't display or do anything after powering on and chiming. Unsure what troubleshooting steps to do from here... Relevant specs: Dual Xeon E5520 2.26GHz 4C, Sapphire Pulse RX580 8GB, 6x 2GB 1066MHz ecc RAM correctly installed, vanilla MacOS...
  3. gunge

    MP 1,1-5,1 Mac Pro Boot Failure

    after OCLP bootpicker on my CMP4,1->5,1 , it fully shuts off. i’ve tried resetting NVRAM, etc. for some reason it boots into ubuntu and windows 10 installer but nothing else. how can i fix this? OCLP version is 1.5.0, Dual Xeon X5675, 48GB DDR3 1333MHz, RX 6600 XT MacOS Ventura 12.7.6 video...
  4. leonardobertaso

    MP 1,1-5,1 Mac Pro 4,1 - No Boot

    Hi everyone, I have a problem with a 4.1 Mac Pro and I can't get out of it. Sorry if I wrote a papyrus, but I'm describing everything in full so you can understand. The computer is this...
  5. L

    MP All Models I believe in a second Chance Mac Pro

    Hi everyone, I strongly believe that in life you should give yourself a second chance. in this specific case I found this Mac in the landfill near my house. I couldn't resist and took it home. I'll show you two photos. I tried it at home and realized that it started with Windows 10. Don't ask me...
  6. Raphaël10

    MP 1,1-5,1 Flashing an RX580

    Hello, i have an 2009 Mac Pro flashed to 5.1 running High Sierra. I want to buy a AMD Radeon RX580. Macvidcards it’s to expensive for me, so I want to know if I can flash it by myself to have a bootscreen. I want to have a dual boot macOS/Windows.
  7. sheapuppy

    MP 1,1-5,1 Asus AX1800 Dual Band PCI-E WiFi 6 (802.11ax) with Bluetooth 5.2 in a cMP 5,1?

    Hi everyone, I have a couple of cMP 5,1 (technically one is a 2009 flashed from 4,1 with Dual CPUs + a 2012 with Single CPU). Both are running OLCP 1.4.3. With OLCP, I'm able to run both with Monterey. I've been thinking about upgrading the WiFi/CPU on both. Currently, I am using the...
  8. Raphaël10

    MP 1,1-5,1 RX580

    Hello, i have a mac pro 5,1 with an nvidia GT120. I'm looking for an AMD RX 580, and i would know how i can do for have a boot screen. Open core boot loader ? (my mac pro is already under monterey with open core legacy patcher) Thanks.
  9. ZNDK

    MP 1,1-5,1 CPU-B failure on MacPro 2009

    I restarted Mac Pro 2009 as usual and after the startup sound, it stayed on black screen for a long time. At the end of the day, there is no startup sound. I pursued the cause and found that it was a problem with CPU-B in the CPU tray. It seems that the Mac cannot boot if the CPU is installed in...
  10. quadra605

    MP 1,1-5,1 Mountain Lion Installer Fails on Mac Pro 5,1

    I have a 2009 Mac Pro 4,1 with firmware updated to 5,1. I use it to run older software I still need. I've created a USB boot installer for Mountain Lion 10.8.5, but I keep getting a message that it couldn't complete the purchase & isn't compatible with my computer. I've tried disconnecting...
  11. M

    MP 1,1-5,1 (Mac Pro 4,1 -> 5,1) Mac Pro won't boot (Chimes, no display, shuts down after a couple moments)

    Evening. I have a dual CPU Mac Pro 4,1 that ran Snow Leopard, flashed to 5,1 to prepare for a CPU upgrade, installed El Capitan and stopped for the day there. Booted the next day, chimes, and PC shuts off after a small moment. Tried it out after doing some more research (NVRAM/PRAM/SMC resets)...
  12. A

    MP 1,1-5,1 5,1 issues after CPU upgrade

    Hi all, I have a 2009 Flashed 5,1 Mac Pro that originally came with the single 2.66ghz CPU. I upgraded to a 2010-2012 dual CPU tray with the quad core CPU’s looking to eventually upgrade to dual X5690’s and 1333ghz RAM in the future. My issue is that after installing the stock dual CPU tray...
  13. C

    MP 1,1-5,1 AMD RX580 no display output, “No Kext Loaded”

    Hello, I have had a couple of threads but I have still had no luck with getting an AMD RX580 to work. Previously, I tried using an XFX AMD. This did not have any display output. I gave up with this card and bought a used Nitro Sapphire RX580. Still no output. I have reinstalled a fresh copy...
  14. reddrag0n

    hide "specific" drives on mac desktop

    i am wondering if there is a script i can create to hide specific drives on my desktop? i know i can hide all drives but i need some to be visable, but the others can be hidden. aka the windows drives and the main opencore boot drive doesn't need to be on the desktop while in mojave from...
  15. D

    MP 1,1-5,1 PSU clicks once after connecting power chord. No boot

    Mac Pro 4,1/5,1 may have been zapped by a power surge. No response from machine when pressing power button. Tried known good PSU, and the only sound I hear is a click when I plug in the power chord. No blinking lights, no LEDs on CPU tray. Pressing the LED test on mainboard shows the standby...
  16. 5

    Mac Pro 5,1 with Opencore, Windows 11 installer couldn’t create a new partition or locate an existing one

    I’m trying to get Windows 11 installed on my cMP running Monterey with Martin Lo’s OC and I’m stuck with an error saying ”Windows 11 installer couldn’t create a new partition or locate an existing one” when I’m choosing the drive to install to. I’ve tried formatting the drive but it won’t fix...
  17. T

    MP 1,1-5,1 Mac Pro stability issues

    Hello, my Mac Pro 4,1 2009; has been having issues after I have replaced the power supply. My thinking is that it’s the graphics card going bad. Here are the symptoms. After playing grand theft auto 5 for 20minutes the screen goes black and the Mac Pro makes a scratching noise. Any way to tell...
  18. astarana2007

    MP 1,1-5,1 Mac Pro 4.1 2009 freezes suddenly, and can only be released by stalling.

    Hello together, I am now the owner of a Mac Pro 4.1, with a 2.66 GHZ Quad-Core Intel Xeon. I have one SSD installed so far, a SAMSUNG MZ7PD256HAFV-000H7. I have expanded the RAM to 24 GB. The graphics card is still the original GT120 with 512MB VRAM. All well and good. The maximum operating...
  19. J

    MP 1,1-5,1 2009 Mac Pro 5,1 CPU and RAM not recognized.

    I recently had taken the machine apart to clean it but ever since I've put it back together and booted it up, i noticed things were slightly slower and it wasn't until now that i realized one of the CPUs and half the RAM isn't even being recognized. There should be 2 processors, 12 cores, 64gb...
  20. A

    MP 1,1-5,1 Mac Pro 2009 4,1 (flashed to 5,1) Gtx 660ti not showing display but shows up in system profiler as a gpu.

    My Mac Pro 4,1 (flashed to a 5,1) that I just purchased yesterday has a Radeon HD 4870 was glitching so I grabbed my old gtx 660ti and plopped it into the bottom slot and booted it and no post so then I put both cards in and the Radeon had 4870 had a display but not the 660ti when I plugged in a...