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opencore

  1. I

    tri boot ssd with hdd for hfs+ operations, opencore and linux

    hello, i have a macbook pro mid 2012 for many years and decided to replace the old hdd with an old 1TB WD passport external portable hdd with the red jumper removed to possibly benefit some extra rotation speed. i removed the dvd and i now have the 1TB and a 500GB ssd. All hdds have high sierra...
  2. peap

    Macbook Pro 10,1 with opencore legacy launcher, dock freezing

    I have a Macbook Pro 10,1 (Early 2013) and it has an Opencore Legacy Launcher with MacOS Sequoia installed. The problem that started occurring in Sequoia is that if you right-click an app in the dock, it'll freeze. Sometimes it'll unfreeze by itself after waiting for like half an hour, but most...
  3. M

    MP 1,1-5,1 Upgrading OS to catalina or sequoia?

    Hello, i was thinking to upgrade my macos to catalina with opencore as i have purchased a new 5500xt for gaming in windows. Iam curently running a 5,1 macpro with the stock hd5870 for bootscren and the 5500xt. Till now i have been on high sierra 1.13 but the 5500xt isnt suported until 1.15...
  4. dataharvested

    MP 1,1-5,1 OpenCore 2.0.0 And My Graphics Card

    I updated my primary Mac Pro 5,1 to OpenCore 2.0.0 this morning and it went well. I even upgraded to macOS Sonoma afterward. Then I went to do the same thing on my secondary Mac Pro 5,1 and ran into an issue. The computer will no longer boot with the NVIDIA GeForce GTX 650 Ti graphics card as...
  5. A

    MP 1,1-5,1 opencore legacy patcher on macpro3,1

    hi, I'm trying to install an updated version of macos on my mac pro3,1 running dosdude's high sierra patch. MACpro3,1 early 2008 CPU 2X2,8 GHz Quad-Core Intel Xeon RAM 24 GB 667 MHz DDR2 FB-DIMM SSD Graphic: NVIDIA GeForce GTX 680 2048 MB I successfully installed catalina by dosdude but i can...
  6. blackshore

    MP 1,1-5,1 Reinstalling OSX Sonoma with OpenCore Patcher

    Hello folks at Mac Rumors, New here. I have recently bought a Mac Pro 5,1 2010 version for 500€ threw ebay. Unit came with 3 discs and 128GB ram. It came preinstalled with sonoma and OpenCore patcher inorder to run it. I wish to switch system drive to a larger drive to make sure that the...
  7. W

    MP 1,1-5,1 How to change from OpenCore Legacy Patcher to Martin Lo's Package

    Hey everyone. I have been using OCLP for nearly 2 years now. however, I need to switch to Martin Lo's package to use the Titan Ridge thunderbolt card (and accompanying 27" thunderbolt displays) with my mac pro. I have not used Martin Lo's package at all, but with OCLP I have Big Sur and...
  8. Z

    MP 1,1-5,1 Startup manager no longer accessible trough option key on Mac Pro 5.1 trying to install OpenCore

    Good day everyone, I have a Mac Pro 5.1 on which I tried to install MacOS Monterey, With the help of OpenCore patcher. I followed the Youtube tutorial from Jessie's Flying with an USB key on a new SSD, everything went good until the part were it was supposed to install Monterey where it...
  9. sines

    [HELP] Sleep 😴 issues with my MSI z590 MPG Carbon Gaming Wifi - i19-11900K Comet Lake

    I'm trying to solve sleep issues with my MSI z590 MPG Carbon Gaming Wifi build on Ventura 13.6.7 on NVMe 1, Windows 11 on NVMe 2 on a McFiver card; I have 2 4TB WD SN850x striped as a 8TB RAID 0 for Resolve playback in M2_1 + M2_3 slots, which still allow SATA ports 3+4 and 5+6 to function. dGPU...
  10. D

    MP 1,1-5,1 2012 Macpro Stops booting Monterey with Opencore

    So i have a 2012 5.1 Macpro with an AMD RX 580 8gb Graphics card, i built 3 ssd boot drives that have been successfully booting OS Monterey for a couple of months, the day after loggin in to one of these drives i discover the boot is frozen right at the beginning of the load screen with the...
  11. dhinakg

    macOS 14 Sonoma on Unsupported Macs Thread

    This thread will be dedicated to the discussion of running macOS 14.0 on unsupported Macs. At the time of writing, we are waiting for Apple to send out macOS 14 Developer Beta 1. It is currently unknown whether or not Apple will release a publicly-downloadable InstallAssistant. We will be...
  12. cosmolv

    MP 1,1-5,1 OpenCore and GTX 980Ti Graphics issue in Adobe

    Installed Monterey on my MacPro 5.1 GPU GeForce 980Ti All runs fine, but with some graphics glitches in OS X transprency. Sadly After Effcts and Premiere 2020 not supporting GPU and crashing when editing. Now I'm back to High Sierra and have the same problem now on it. Previously all was fine...
  13. ZNDK

    MP 1,1-5,1 Startup problems on OpenCore-using cMP 2009

    The first time(first step) the apple mark progress bar is displayed abnormally, the apple mark itself seems to be in the normal position, but the progress bar is displayed at a much lower position. In this state, the progress bar stops at around 4/5 and does not move forward from there. Recovery...
  14. T

    iMac 27 Opencore boot issue after NVRM reset

    Hi folk. Newb here. So, I triple boot this iMac, setup like this: /dev/disk0 (internal, physical): #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *1.0 TB disk0 1: EFI ⁨EFI⁩...
  15. John Fu

    MP 1,1-5,1 How Upgrade without reinstalling

    Hello All, I am very happy with My Mac Pro 4,1->5,1, I am using Martin Lo's opencore package, but every time I try to upgrade to a new version of the macOS, all fail, can not direct upgrade, I have to reinstall to a new SSD then clone it from the old Mac fo all app that I was installed, I saw...
  16. el.rafar

    2017 27'' iMac processor power and frequency

    Hello everyone, With the help of the MacRumors forum I have upgraded my 2017 27'' iMac that I use everyday for work and anything else for the last year. It has a 7600k processor, 32GB of RAM, a brand-new 1TB SSD and it is running Sonoma with the help of the open core legacy patcher . I also...
  17. Doggiedogdog

    iM 4,1-14,4 Open core install problem target disk locks itself??

    I’m installing Sonoma on a late 2013 iMac everything goes fantastic. Just up to the point where I try to install the installer on l the brand- new, extended Journaled external SanDisk Pro SSD. it tells me it’s locked. So I go out make sure it’s unlocked go back again and find out that it’s...
  18. M

    MP 1,1-5,1 BT 4.2 card don't work in Monterey contrary to BigSur

    After having finally succeeded in installing Monterey under OC's martin lo V0.9.7, and installing the new wifi/bluetooth card, everything works well under BigSur, the wifi displays the new standard (802.11 a/b/g/n/ac) and the bluetooth standard 4.2. I applied the changes requested by martin lo...
  19. M

    MP 1,1-5,1 Monterey won't boot after restore VMM flag and SMBIOS to default, Opencore Martin Lo.

    I've BigSur on an ssd on a pcie slot, and Monterey newly installed in another, I've installed Monterey after turning ON the VMM flag and SMBIOS spoofing OFF, but when it finished, and reset the two tweaks to default to get full acceleration as recommended by Marin Lo, Monterey can't boot, it...
  20. 0

    macOS 10.15 Catalina on Unsupported Macs

    How to update Catalina Machine Support Video Card Support Pre-Metal AMD video cards (Radeon HD 6xxx series and older without acceleration, Radeon HD 4xxx series and older with acceleration.) Pre-Metal Nvidia video cards (GeForce 5xx series and older without acceleration, GeForce 3xx...