![]() Powerful software solution for booting a custom macOS installation, and improving its performanceįurthermore, Clover EFI also allows you to integrate a custom preference pane in your System Preferences window. Noteworthy is that you have the option to personalize the bootloader’s installation: you can choose to install Clover EFI for UEFI booting only, you can install Clover EFI in the ESP, you can apply a custom theme, decide which drives or scripts should be deployed, and so on. Naturally, you will have to provide the credentials for your computer’s admin account. The Clover EFI software comes with its own installer package, which means that the entire process is reduced to simply following the on-screen instructions. These quirks can break in the future and so we only recommend this option in the event of certain software breaking in other OSes.Clover is open source based on different projects: Clover, rEFIt, XNU, VirtualBox. However, there are quirks in OpenCore that allow for SMBIOS injection to be macOS limited by patching where macOS reads SMBIOS info from. ![]() Avoids edge cases where info is injected several times, commonly seen with Clover.This allows for proper multiboot support like with BootCamp (opens new window).# Optional: Avoiding SMBIOS injection into other OSesīy default OpenCore will inject SMBIOS data into all OSes, the reason for this is 2 parts: Note: Thinkpad laptops are known to be semi-bricked after an NVRAM reset in OpenCore, we recommend resetting NVRAM by updating the BIOS on these machines.This will wipe everything and reboot the system when finished. Misc -> Security -> AllowNvramReset -> TrueĪnd on your initial boot of OpenCore, select Reset NVRAM boot option.To fix this, we'll need to clear then via OpenCore's ClearNvram feature. The other thing that Clover may have hidden from you is NVRAM variables, this is bad as OpenCore won't overwrite variables unless explicitly told via the Delete feature found under NVRAM -> Delete. # Cleaning the Clover Junk in your hardware Note, macOS Catalina will need the mount -uw / command to mount the system drive as Read/Write.Touch /Library/Extensions /System/Library/Extensions Now open up terminal and run the following: Note: OpenCore will fail to inject kexts already in your kernelcache so cleaning this out will also resolve those issues ![]() Thankfully with OpenCore, a much more robust and stable injection mechanism's been made that is far harder to break. Reasoning being that Clover's kext injection system was known to fail either with OS updates or just spontaneously. # Removing kexts from macOS(S/L/E and L/E)Ī common tradition with Clover was to install kexts into macOS, specifically System/Library/Extensions and Library/Extensions. /Library/PreferencePanes/Clover.prefPane.Users of Clover's Preference Pane will also need to remove these: If folders are empty then delete them as well: /etc/rc.shutdown.d/80.save_nvram_plist.local./etc/rc.boot.d/70.disable_sleep_proxy_./etc/rc.boot.d/10.save_and_rotate_boot_log.local./Volumes/EFI/EFI/CLOVER/drivers64UEFI/EmuVariableUefi-64.efi.You will need to have SIP disabled to clean it up. Why? Well it likely installed some trash that's a pain in the arse to get rid of. So to start, Clover would like to give a big F*** You if you're using emulated NVRAM. Common Kernel and Kext patch conversions.Kexts and Firmware driver conversion(.kext.To get started, we have some resources that will aid you: So you see the new fancy OpenCore bootloader and just dying to try it out, well you've come to the right place! Many things in Clover have feature parity with OpenCore but many do not, here we'll be going over what you can bring over and what you cannot. Getting started with ACPI (opens new window).
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