mac pro (2009)

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...

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.

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...

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.

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...

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...

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)...

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...

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...

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...

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...

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...

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...

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...

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...

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...

Hello, I have a Mac Pro 4.1>5.1, bought a metal supported GPU on eBay, a Radeon RX560 and installed Mojave without any problems. However, running Mojave I ran into some problems and I'm not sure if it's Mojave or the card. I asked about it in the big thread and was told it was software related...

Hi there, I'm hoping someone can help - I'm experiencing a strange fan issue with my graphics card that I purchased in 2020. It seems to intermittently turn on at the highest speed at random intervals - I've also noticed that just one fan does this instead of both. In fact, one fan isn't even...

I can no longer start Mac by pressing the power button. I am using a Mac Pro 2009 (OpenCore+macOS12).I tried to change video card from RX580 4GB to RX570 8GB. Immediately I tried to install it. But I could not push it in about 10mm left against the slot. I successfully inserted it and tried to...

Hello! I've got a Flashed Mac Pro 4, 1 -> 5, 1 Running Big Sur 11.7 thanks to the Martin Lo Open core package. I've tried updating to the latest version of macOS Monterey (16.6), but It never finishes updating. Please Help! Specs: Mac Pro 4, 1 -> 5, 1 Cpu: Xeon X5680 x1 Gpu: Radeon HD 7950 Ram...