How to Fix How do I install the OCLP bootpicker on the 2019 16 inch During macOS Boot or Installation
Boot failures need a methodical pass through firmware, EFI, storage and USB before reinstalling macOS.
Step-by-Step Fix:
- Back up first: Make a Time Machine backup or clone before changing OpenCore, EFI, root patches, or macOS versions.
- Boot verbose: Add
-v keepsyms=1 debug=0x100so the last real error is visible instead of only an Apple logo. - Check BIOS/UEFI: Disable Secure Boot, Fast Boot, CFG Lock if possible, VT-d unless mapped, and set SATA to AHCI.
- Refresh OpenCore: Update OpenCore, kexts and SSDTs, then run a config sanity check with ProperTree or ocvalidate.
- Use a clean installer: Recreate the USB installer, try another port or USB 2.0 hub on old Macs, and reset NVRAM before retrying.
Final check: Change one thing at a time, reboot, and keep a copy of the last working EFI before the next test.
Original Question: "How do I install the OCLP bootpicker on the 2019 16 inch?"
I'm trying to install UEFI windows on my 2019 16 inch macbook pro without using bootcamp, however, it does not let me install opencore, it's just grayed out. Please help!
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