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opencore
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opencore unsupported configuration detected
Hey, I just wanted to upgrade my 12.1 iMac from High Sierra to Monterey or Ventura with the Open Core Legacy Patcher. But everytime I start the program I run into a kind of error saying that I'm booting from a false configuration. But in fact I´ve never run in on my system before. What can I do...- JannisLag
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- opencore opencore legacy opencore legacy patcer
- Replies: 16
- Forum: Early Intel Macs
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MP 1,1-5,1 5,1 Monterey Limiting MacOS release with OC
Hey all! I'm wondering if it's at all possible to convince my cMP 5,1 —running Martin Lo's OC build— that Monterey is the newest supported OS and only pull updates for that. In the troubleshooting section here, it's mentioned this might be accomplished by manually configure some bits in SIP...- KittyComputer
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- classic mac pro monterary opencore sip updates
- Replies: 0
- Forum: Mac Pro
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MP 1,1-5,1 safest way to install w10 on opencore-d cMP5.1?
hello, sorry to disturb. i know there are guides online about this, but i always end up fining os many different opinion about it I am confused. so, i have a cMP5.1, 12cores, currently on Mojave and OpenCore 0.9.1. (martin lo's) I would like to install win10 but I am afraid to brick my machine... -
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MP 1,1-5,1 cMP 5.1 2012 & Opencore Monterey issues
Hope that someone can help with some issues I have with installing Monterey on my 5.1 from 2012. Using Opencore 0.6.2. - cannot complete installation on NVMe M.2 hdd on PCIe card in second (GPU is in the first) PCIe slot/lane. It goes for some time (progress bar showing) then reboots and... -
OpenCore Legacy Patcher: Ventura Crashing / Slow? iMac(2009&2015)
Hello everyone, Has anyone experienced an issue installing Ventura with OpenCore? I’m using a Late 2015 iMac - after installing Ventura it boots but it looks as if it boots safe mode? The start button has a black background like in safe mode. If I try to press start at the hello screen - I... -
MP 1,1-5,1 Open KickStart Project - kick new life to the cMP - polling interest
I just woke this mornig with an idea, like to poll the interest for an opensource project for solving NVRAM / BootROM headaches and accelerate BootROM / UEFI / GPU Rom / GOP developments. There are so many users around doing critical NVRAM / GPU card flashing which costs a lot of time while... -
macOS 13 Ventura on Unsupported Macs Thread
This thread will be dedicated to the discussion of running macOS 13.0 on Unsupported Macs Welcome to the new macOS Ventura on Unsupported Macs thread! We're eagerly awaiting for all our community developers and enthusiasts to test out the new version of macOS. Please play it by ear and only...- 0xCUBE
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- drives not booting hackintosh installing macos ventura macbookair macos macos ventura mbp 9.2 13 oclp open core legacy patcher opencore opencorelegacypatcher unsupported hardware unsupported mac ventura ventura 13.3.1
- Replies: 8,335
- Forum: macOS Ventura (13)
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MP 1,1-5,1 Lost my ifu partition with opencore
Hi, i have a mac pro 5.1 from 2010 with dual x5690, 96gb of memory, bootroom uploaded to the latest version 144.0.0.0, vega 64 with pixlas mode, everything works fine since always, i have two nvme disks with adapter on pcie, one with mojave and the other with bigsur, I am currently working on...- mohnumber7
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- ifu mac 5.1 opencore
- Replies: 6
- Forum: Mac Pro
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MP 1,1-5,1 Macpro not working with Rx570
Hello, noob here. I bought a Mac Pro 5.1 and tried to install monterey with the original card and opencore. Everything went fine. Than i replace the card with a Sapphire rx570 nitro 8gb and Monterey became very slow. Is there something i can do to solve this? I tried to mess with the "non metal"... -
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I screwed up trying to revert from Opencore
I found my 2009 Mac mini in a box and thought I'd experiment with it. I used Opencore Legacy Patcher to install Monterrey and it worked. However, Wifi didn't work as expected and I also had some graphic issues. So I thought that I'd best revert to stock. I fetched a El Capitan bootable USB...- henkebarn
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- efi boot opencore opencore legacy patcher openshell
- Replies: 31
- Forum: Windows, Linux, macOS, & Others on the Mac
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MP 1,1-5,1 OpenCore Legacy Patcher Help
Hello Everyone Current Mac Pro macos Mojave 10.14.6 Mac pro 4,1 flashed to 5,1 (dual cpu) 48gb ram rx 580 8gb sapphire samsung nvme 1tb 970 (boot drive) I'm currently using the OpenCore Legacy Patcher 0.6.1 so I can install monterey. I'm currently getting this message. Following this...- dalegribble
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- opencore opencore filenotfound
- Replies: 33
- Forum: Mac Pro
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MP 1,1-5,1 how to remove open core 0.5.9 from mohave on mp 5.1
I think you might not seen my post. So im making a new thread. Can you help me guys? i have mohave 5.1 mp and had to come back to my flashed radeon 7950 because my rx580 died. Now how to remove open core from the efi patition? Just deleting oc and boot from efi part is enough? do i have to... -
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“Your computer shut down..” error after opencore mac os monterey install on clean ssd on imac mid 2011
I recently tried to do a bootable opencore Monterey install on a fresh ssd installed on my iMac mid 2011. It got all the way to the end of the install but on the final restart I got the message “your computer shut down because of a problem…” and will not go further than that. I did all the...- MelMac89
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- imac mid 2011 mac os monterey opencore
- Replies: 0
- Forum: macOS Monterey (12)
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MP 1,1-5,1 MAC PRO 5.1 RADEON VII NO VIDEO OUTPUT!!
Hello everyone! I need some help with my cMP 5.1 Bought a 2nd hand XFX Radeon VII, saw it working on the computer it was pulled off from. Got home, replaced my RX 590 NITRO+ SE with the Radeon VII and got no boot screen on any output port on the GPU. Plugged back my 590 and everything works as... -
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MP 1,1-5,1 Install Windows 10 next to Monterey w/ OCLP, Mac Pro 5,1
Install Windows 10 next to Monterey w/ OCLP, Mac Pro 5,1 I'll try to be to the point: I have a Mac Pro 5,1 with an RX 6600XT (patched w/ friends PC for boot screen), dual 1TB NVMEs on a single PCIe, one for Monterey and one for extra space. I also have a 1TB SATA disk that I wanted to install... -
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White screen Macbook pro 2011 after OpenCore
Hello everyone, I bought a used macbook pro 2011 for cheep and wanted to remove opencore with Moterey. After putting an old ssd the mac ran windows 10 (as i forgot it was not empty) and with the hdd the old owner gave me, the mac is able to run Monterey. It has been a few days now I was trying...- mrpasquale970
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- gpu acceleration macbookpro2011 opencore
- Replies: 0
- Forum: MacBook
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Auto update to Ventura broke opencore legacy patcher monterey
Good morning.. Macbook Pro Mid 2012, 1TB SSD and 16GB Ram was working wonderfully with open core patcher Monterey.. So.. I stupidly allowed the mac update to Ventura complete, thinking that it will start and I will simply patch it on boot.. Well it no longer boots. Is there a way to recover...- mrshmee1972
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- opencore
- Replies: 0
- Forum: macOS Monterey (12)
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OpenCore on MacBook Pro 2012
I installed Monterery using the OpenCore Legacy Patcher 5.1 on a MacBook Pro 2012 (non-retina) that had served its original purpose. I used that Mac (macOS 12.6.1) for a few days and was presented with the macOS 12.6.1 software update again. I applied that updater with some doubts, and the user...- ZNDK
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- 2012 non-retina mbp macbook pro 2012 monterery opencore opencore legacy patcher
- Replies: 6
- Forum: macOS Monterey (12)
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MP 1,1-5,1 cMP 5,1 Opencore Mojave installed, Sapphire Pulse RX 580 but no boot picker
Hey guys, I'm in the process of doing some upgrades to my 5,1 cMP. I installed a Sapphire Pulse RX 580 GPU 8GB, firmware updated to 144.0.0.0, clean installed Mojave, and installed Opencore using Martin Lo's package. The GPU works fine but doesn't give me the boot picker. Did some reading on...- sgentile92
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- no boot picker opencore rx 580
- Replies: 4
- Forum: Mac Pro
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Resolved How to force MacPro5,1 integrated SATA bus drives appear as external (non built-in) in macOS with OpenCore?
I have a scenario where I'd like to flip the default behavior one sees with OpenCore (specifically OpenCore Legacy Patcher) wherein the integrated SATA controller on a MacPro5,1 shows all attached drives internal (aka `built-in`) drives. Note this behavior is defined in the DeviceProperties...- ylluminate
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- macpro5.1 macpro5_1 opencore opencore cmp opencore legacy patcher
- Replies: 12
- Forum: Mac Pro
