I was unsuccessful but still got the triple boot working in the end. I did not follow the sequence of steps exactly because I wanted to save my existing Windows 7 Boot Camp installation. I managed to get the triple boot working by following instructions found in a forum post named Triple Boot Mac OS X + XP + 7 (search for the reply from “simscada”). If you have ever activated Boot Camp by holding the Option key on startup and have been offered a selection of two icons (for Mac OS X and Windows), rEFIt can provide a similar menu but with three icons. REFIt is a boot menu tool which allows you to triple boot on Intel Macs. Thank goodness the open source movement provided the solution in the form of rEFIt. Unfortunately, Boot Camp does not support more than one Windows OS. However, I also wanted the option to boot into Windows XP because I test software that needs to run under both Windows XP and 7. Disabled in macOS Mojave or later.Įject (⏏) or F12 or mouse button or trackpad button: Eject removable media, such as an optical disc.The Boot Camp software on my Macbook Pro allows me to dual boot between Mac OS X 10.6 and Windows 7. To use the default boot image on the server, press and hold Option-N instead.Ĭommand-S: Start up in single-user mode. N: Start up from a NetBoot server, if your Mac supports network startup volumes. Or use Option-D to start up to this utility over the internet. Option (⌥) or Alt: Start up to Startup Manager, which allows you to choose other available startup disks or volumes.ĭ: Start up to the Apple Diagnostics utility. macOS Recovery installs different versions of macOS, depending on the key combination you use. Or use Option-Command-R or Shift-Option-Command-R to start up from macOS Recovery over the internet. Then shut down or restart and try again.Ĭommand (⌘)-R: Start up from the built-in macOS Recovery system. If you're using Boot Camp to start up from Microsoft Windows, set Startup Disk preferences to start up from macOS instead. Some key combinations don't work when your Mac is using a firmware password. If you're using a keyboard made for a PC, such as a keyboard with a Windows logo, try a keyboard made for Mac. Or use your built-in keyboard or a wired keyboard. If you're using a wireless keyboard, plug it into your Mac, if possible. Some keyboards have a light that flashes briefly at startup, indicating that the keyboard is recognized and ready for use. You might need to wait a few seconds before pressing the keys, to give your Mac more time to recognize the keyboard as it starts up. Then press and hold the key combination after pressing the power button to turn on your Mac. If you can't shut down, press and hold the power button for up to 10 seconds, until your Mac turns off. If you can't get a key combination to work when restarting your Mac, shut down your Mac first. Press and hold all keys in the combination together, not one at a time. Guidelines for using these key combinations If you're not using a Mac with Apple silicon, you're using an Intel-based Mac. Release the power button when you see the startup options screen, which shows your startup disks and a gear icon labeled Options.įrom this window you can start up from a different disk, start up in safe mode, use macOS Recovery, and more. Turn on your Mac and continue to press and hold the power button as your Mac starts up. On a Mac with Apple siliconįind out if you have a Mac with Apple silicon Learn about the Mac features and tools that you can access by holding down one or more keys during startup.
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