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opencore cmp

  1. 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...
  2. g2only

    MP 1,1-5,1 OpenCore 0.6.6 install on cMP 4,1/5,1

    Tried a search of this and not finding the solution (maybe overlooked?)...I am new to OpenCore and saw a YT video of how easy 0.6.6 is and thought "now we're talking!". Sooooo, I have a 4,1/5.1 MacPro with an RX580 4GB Anyways...created a USB thumb-drive of Monterey installer...did the Build...
    • g2only
    • Thread
    • opencore 0.6.6 opencore cmp opencore legacy patcher
    • Replies: 21
    • Forum: Mac Pro
  3. KittyComputer

    MP 1,1-5,1 cMP 5,1 Monterey AirPlay System Audio Not Finding shairport-sync Receiver

    Hey All. The issue I'm having on my 5,1 cMP is my shairport-sync receiver isn't showing up in system audio like it does on my MacBook Air 7,1. However the Apple Music app on my cMP can connect to shairport-sync just fine. Here's it working as expected on my MacBook Air Device isn't found...
    • KittyComputer
    • Thread
    • airplay audio cmp 2012 monterery opencore cmp
    • Replies: 0
    • Forum: Mac Pro
  4. T

    MP 1,1-5,1 Installing windows 7 for legacy use

    Hello, for the last two weeks I’ve been trying to install windows 7 on my 2009 4,1 Mac Pro. I’m not using boot camp. I’m turning my old Mac Pro into a windows gaming pc the right way and trying to figure out how to do it. I’ve tried creating a Rufus bootable flash drive and it still didn’t work...
  5. ylluminate

    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
    • Thread
    • macpro5.1 macpro5_1 opencore opencore cmp opencore legacy patcher
    • Replies: 12
    • Forum: Mac Pro
  6. N

    MP 1,1-5,1 5,1 boot issues

    Have Mac Pro 5,1 that I’m having problems booting. It loads is to about 3/4 on progress bar and stalls. Have recently installed open core legacy patcher to run big sur and does the same using open core boot picker. Ok this is what I’ve tried so far Reset pram, changed battery on main...
  7. D

    MP 1,1-5,1 Windows EFI missing after updating OpenCore

    I did something wrong when updating Martin Lo's OpenCore package to 0.7.5 today. Now I no longer see the Windows folder in the EFI partition, and OpenCore no longer offers my Windows drive as a boot option. Do I need to reinstall Windows, or is there a simpler way to recreate the Windows files...
    • dksoutha
    • Thread
    • efi boot opencore cmp windows 10
    • Replies: 2
    • Forum: Mac Pro
  8. J

    MP 1,1-5,1 Un-bless EFI partitions on other drives?

    My MacPro 5,1 (flashed from 4,1) is having trouble booting when there is a second drive connected that has OpenCore installed. My primary boot drive is a PCI NVME SSD, and boots reliably with 2 other SATA drives in the system. I cloned the NVME SSD to a third drive as a safety backup. When that...
    • jfreberg
    • Thread
    • opencore cmp un-bless
    • Replies: 1
    • Forum: Mac Pro
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