If you try to start up your Mac from a hard disk, network volume, or Time Machine backup that contains an incompatible version or build of macOS, you might experience one or more of these symptoms:
- Your Mac doesn't finish starting up, or displays a prohibitory symbol at startup.
- You see a message that you're using an unsupported or incorrect version of the Mac operating system.
- Your Mac doesn't respond to your trackpad, mouse, or keyboard.
- Apps unexpectedly quit.
- Your Mac doesn't sleep or wake.
- You don't hear any sound from your Mac.
- The fans in your Mac are louder, because they're spinning faster.
- The image on your display appears to shrink, has black bars around it, or appears tinted.
- You can't use Bluetooth or Wi-Fi.
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Which Mac operating systems are compatible?
The version of macOS that came with your Mac is the earliest version compatible with that Mac. To find out whether your Mac is compatible with a later version of macOS, check the system requirements:
Using MacPorts. The MacPorts Project is an open-source community initiative to design an easy-to-use system for compiling, installing, and upgrading either command-line, X11 or Aqua based open-source software on the Mac OS X operating system. As you will install libraries in your system directories, you'll need to do so as administrator via the command sudo - which will require you to enter. To compile your game using either the VM or YYC, however, you will need to make sure that your PC or Mac is correctly set up. Which may mean that if you're on an older OS you will need to update or even use a different Mac. Open the System Preferences app on the Mac and then open the Network component. When that is setup. Your Mac won’t run on Apple hardware, but it will run macOS. A Mac Build Server, which is a specialized kind of Mac that can be used to compile iOS apps. You’ll create those apps on your Mac, and then instruct the Build Server to compile the app for you. A dedicated Mac. Sep 20, 2016 macOS Sierra and Windows 10 are both mature, powerful, easy-to-use operating systems, but macOS holds the edge when it comes to coherence, convenience, and being pleasurable to use.
If your Mac won't start up from a compatible version of macOS, it might require a specific build of that version. To get the correct build, reinstall macOS or upgrade to a later version of macOS.
- To restore a Time Machine backup that was created on a different Mac, use Migration Assistant.