Terminal will return either EFI32 or EFI64. Identify Your Systemįirst you need to identify if you have a 32-bit or 64-bit system.
These instructions will show you how to install rEFInd manually by copying specific files from the rEFInd zip file to a folder on your computer. Use the left and right arrows to select an operating system. You will see a screen like the one below. Click on the Utilities menu and select Terminal.Īfter restart, your computer will load the rEFInd boot manager automatically.While it’s restarting hold down Command-R (⌘R).The process of re-enabling SIP is almost identical todisabling it: Re-enable System Integrity ProtectionĪfter you finish installing rEFInd, you should re-enable System Integrity Protection (SIP). Open Terminal and navigate into the uncompressed rEFInd folder.Īn automatic installer will install rEFInd into your EFI partition.Uncompress the rEFInd zip file that you downloaded from SourceForge.
There are instructions to re-enable SIP at the end of the manual and automatic installation instructions. Re-enable SIP after you finish installing rEFInd. System Integrity Protection (SIP) protects your computer from malicious software.
Mac OS 10.11 (El Capitan) and later have SIP turned on by default. System Integrity Protection (SIP) prevents certain folders from being modified even by the root user or by a user with root privileges.
REFInd is a boot manager which allows you to boot multiple operating systems from internal or external hard drives. REFInd is one of the most popular multi-boot managers on the market. REFInd is a boot manager for UEFI computer that will allow you to choose between Windows, Linux and Mac OS X, and other operating systems when you boot your computer, it can auto-detect your installed operating systems and presents a pretty GUI menu these operating systems. The Mac was not booting anymore, only a grey screen, w00t. It’s the first fix I tried, without any success.
It should install rEFInd on the ESP partition of you Mac so that it’s not overwritten when you upgrade Mac OS X. The solution would be to run the install.sh script with the -esp option: install.sh -esp.