Go to GUI Section from the Left Sidebar.Since you probably want to install some other applications and save some files the minimum should be 20GB.Mac OS X certainly likes to have some space for caching and other operations (once you drop below 3GB free OSX starts behaving weird) so chose an appropriate size.I also found. GUI Custom Entries Arguments initrd=/initramfs-linux.img root=UUID=d4f1e3b7-b466–4c1b-991c-90fa99cafbc6 rw add_efi_memmap Disabled FullTitle Arch Linux Hidden Ignore Path vmlinuz-linux Type Linux Volume EFI VolumeType Internal The default installation of Snow Leopard is between 6-10GB.Scroll to the GUI Section and add the Following Code in Custom Boot Entries.( make sure you backed up your EFI Folder before Continuing)

Open your favorite plist editors like plistEdit Pro or Whatever.Create a USB Installer from it (An easy Google) Install rEFIt Restart your computer after installation. The system will automatically reboot.Ĭomplete the Post-Installation and Setup the EFI Drive. How to dual-boot Windows 7 with Mac OS X Grab an. Press the hotkey to choose boot device (F12 for Gigabyte mobo), Choose USB At the Boot Screen, choose Boot macOS from MacintoshHD Complete macOS installation. Upon completion, the system will automatically restart. Close Disk UtilityWhen the installer asks you where to install, choose Catalina For Name: type MacintoshHD (You can rename it later) e. Highlight your target drive for the Mojave installation in the left column. c. In the top menu bar choose Utilities and open Disk Utility b. For a new installation of macOS, you MUST erase and format the destination drive according to the following steps before continuing.(If you have issues reaching the installer, you can use the spacebar on the boot screen to enter alternate boot modes such as verbose and safe mode.) At Clover boot screen, choose Boot Install macOS Catalina from myVolume.Step 8: Press the hotkey to choose boot device (F12 Key for Gigabyte MoBo) Step 7: Insert the Thumb Drive to the Hack you wanted to Triboot on.

Dual boot windows and mac os