How to Fix Monterey Installation Loops on Mac Pro 2013

Resolving Reboot Loops during OCLP Install

Installation loops on the 'Trashcan' Mac Pro are often due to a corrupted EFI partition or a mismatch in the OpenCore settings.

Fixes for Technical Users:

  1. Triple NVRAM Reset: Hold Cmd+Opt+P+R for three chimes. This is essential to clear old boot arguments.
  2. Wipe the Target Drive: In the installer's Disk Utility, format the entire SSD (not just the partition) to ensure a clean EFI space.
  3. USB Port: Try using the USB ports directly on the Mac Pro, not through a hub or keyboard.
  4. OCLP Version: For Monterey, use a stable release like OCLP 1.5.0, which is highly optimized for the 2013 Mac Pro.

Original Question: "Anybody in Northern Virginia area to lend a hand with installing on Mac Pro 2013"

Hi,

I'm pretty technical, but am getting stuck in the continuous loop, then ended in an error.

Happy to pay someone a few bucks to help me get Monterey installed on my Mac Pro 2013

submitted by /u/guitartoys
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