![]() ![]() ![]() Then, hold down Command, Option, P, and R buttons on your keyboard as you restart your Mac. What do I do if I can’t reinstall OSX?Ĭan’t Reinstall OS X On Your Mac? Try Resetting The PRAM First, completely shut down your Mac via the Apple Toolbar. Select your Mac’s hard drive from the drop-down menu next to “Copy.” Select the external hard drive from the drop-down menu next to “to.” Make sure Backup – all files is selected in the drop-down menu next to ‘using’ (Backup – user files does not create a bootable clone). How do I make a copy of my Mac operating system? Right-click the installer and choose Show Package Contents. At this point you can either create the installation disc, or you can copy the installer to a backup location so you can create the installation disc at a later point. Go to the Applications folder and locate the Install Mac OS X Lion package. Is it better to clone or image a hard drive?. ![]() How do I boot my Macbook Pro from a DVD?.Is macOS Catalina still available for download?.Can I still download macOS High Sierra?.How do I reinstall OSX without Internet?.What to do if Mac OS could not be installed?.How do I make a copy of my Mac operating system?.How do I reinstall Mac OS X without disc?.How do I make a copy of a Mac OS X installation disc?.
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