3/29/2023 0 Comments Macos couldn t unmount diskWith macOS Big Sur, currently all non-Metal GPUs require additional patches to gain acceleration. In macOS, GPU drivers are often dropped from the OS with each major release of it. To work-around this, we recommend that users manually connect using the "other" option in the Wi-Fi menu bar or manually adding the network in the "Network" preference pane. However, some users may have noticed that they can't connect to wireless networks. With OCLP v0.2.5, we've added support for legacy Wi-Fi on Monterey. # Cannot connect Wi-Fi on Monterey with legacy cards However, some users may have noticed that their brightness keys do not work.Īs a work-around, we recommend users try out the below app: With OCLP v0.0.22, we've added support for brightness control on many models. This will ensure that the firmware reported will show support for full APFS capabilities. To resolve this, when installing OpenCore, head to "Patcher Settings" and enable "Moderate SMBIOS Patching" or higher. 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 Big Sur Recoveryīy default, the patcher will try to hide extra boot options such as recovery from the user. Combined with RequestBootVar, all boot options must go through OpenCore, ensuring seamless usage even with OS installation and updates. Once you boot OpenCore for the first time, LauncherOption will install itself as the top boot priority, making OpenCore always launch. If it's unmounted, simply rerun "Install OpenCore to drive." Note 3: The EFI partition OpenCore was installed on must be mounted.Note 2: Once done, you can re-enable SIP.Note 1: You will need to replace VOLNAME with the Volume name of your USB or hard drive with OpenCore.Sudo bless -verbose -file /Volumes/VOLNAME/EFI/OC/OpenCore.efi -folder /Volumes/VOLNAME/EFI/OC -setBoot Known issue on some models (opens new window), a temporary fix is to disable Hibernation by executing the following command in the terminal: # Reboot when entering Hibernation ( Sleep Wake Failure) Note: Machines with modded root volumes will also result in an infinite recovery loop until integrity is restored.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. Instead, you'll need to either manually transfer (opens new window) OpenCore to the internal drive's EFI or run this patcher's Option 2 again and select your internal drive. # Cannot boot macOS without the USBīy default, the OpenCore Patcher won't install OpenCore onto the internal drive itself during installs. 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 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 users may experience while using this patcher: Explaining the patches in OpenCore Legacy Patcher.Boot Process with OpenCore Legacy Patcher.Tested Models on 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.No DisplayPort Output on Mac Pros with NVIDIA Kepler.Black Screen on MacBookPro11,3 in macOS Monterey.Cannot connect Wi-Fi on Monterey with legacy cards.Stuck on "Your Mac needs a firmware update".Reboot when entering Hibernation (Sleep Wake Failure).Stuck on This version of Mac OS X is not supported on this platform.Working Around Legacy Acceleration Issues.
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