This error occurs when macOS determines that the current firmware does not have full APFS support. Please select a Mac OS Extended (Journaled) volume instead." # Stuck on "Your Mac needs a firmware update"įull error: "Your Mac needs a firmware update in order to install to this Volume. To make them appear, simply press the Spacebar key while inside OpenCore's Picker to list all boot options. # How to Boot Recovery through OpenCore Legacy Patcherīy default, the patcher will try to hide extra boot options such as recovery from the user. Go into terminal and first mount the disk by typing You can figure out your disk name by typing ls /Volumes. Note: If your disk name is something else than "Macintosh HD", make sure to change the path accordingly.Note: Machines with modified root volumes will also result in an infinite recovery loop until integrity is restored.īoot into recovery by pressing space when your disk is selected on the OCLP bootpicker (if you have it hidden, hold ESC while starting up).To resolve this, simply uninstall OpenCore and reset NVRAM (opens new window). However this installs NVRAM variables that will confuse your Mac if not running with OpenCore. With OpenCore Legacy Patcher, we rely on Apple Secure Boot to ensure OS updates work correctly and reliably with Big Sur. Reminder that once this is done, you'll need to select OpenCore in the boot picker again for your hardware to remember this entry and auto boot from then on. However, if it doesn't show the prompt, you'll need to either manually transfer (opens new window) OpenCore to the internal drive's EFI or Build and Install again and select your internal drive. To resolve this, create a new installer using a different USB drive (preferably of a different model.) # Cannot boot macOS without the USBīy default, the OpenCore Patcher won't install OpenCore onto the internal drive itself during installs.Īfter installing macOS, OpenCore Legacy Patcher should automatically prompt you to install OpenCore onto the internal drive. ![]() However, if the □ Symbol only appears after the boot process has already started (the bootscreen appears/verbose boot starts), it could mean that your USB drive has failed to pass macOS' integrity checks. Once you've booted OpenCore at least once, your hardware should now auto-boot it until either an NVRAM reset occurs, or you remove the drive with OpenCore installed. Reminder that the option will be called EFI Boot. To resolve this, ensure you're booting OpenCore before the macOS installer in the boot picker. This means macOS has detected an SMBIOS it does not support. # Stuck on This version of Mac OS X is not supported on this platform or (□) Prohibited Symbol icon will bounce in the Dock), try launching OCLP via Terminal by typing the following command, make sure you've moved the app to /Applications before this. Reboot when entering Hibernation ( Sleep Wake Failure).Here are some common errors that users may experience while using this patcher: Explaining the patches in OpenCore Legacy Patcher.Boot Process with OpenCore Legacy Patcher.The current hold on new issues and pull requests.Creating custom icons for OpenCore and Mac Boot Picker.Keyboard, Mouse and Trackpad not working in installer or after update.No acceleration after a Metal GPU swap on Mac Pro. ![]() Stuck on "Less than a minute remaining.".Intermediate issues with USB 1.1 and Bluetooth on MacPro3,1 - MacPro5,1.Volume Hash Mismatch Error in macOS Monterey. ![]()
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