![]() ![]() Use this key combination to reinstall macOS and upgrade to the latest version of macOS that’s compatible with your Mac. * Option-Command-R: Start up from macOS Recovery over the internet. Use this key combination to reinstall the latest macOS that was installed on your system, or to use the other apps in macOS Recovery. Use macOS Recovery on an Intel-based Mac - Apple Support Immediately press and hold one of the following key combinations until you see the startup screen: * Command-R: Start up from the built-in macOS Recovery System. I’ve tried to install Lion after Apple made it a free upgrade, but I always get errors and it won’t install.īut it sounds like you discovered the trick with Internet Recovery. I still have an old MacBook with Snow Leopard. I know you’re close, but almost anything with Lion seems iffy now. I've also tried Internet Recovery and the Mac identifies as having Lion software, but it can't download this and instead gives an error saying components could not be installed. I've read how you can use the Terminal utility to type in commands to put the OS in an Application folder, but that doesn't seem possible because there is no applications folder - because there is no OS installed. I've tried the option of holding shift while rebooting the Mac to bring up safe mode and options to boot from, but all I get is a flashing folder with a question mark in it, of course, because there's no OS installed. The problem is that I can't work out how to get my Mac to recognise the USB and then install the OS from it, because there is no MAC OS to begin with, only the utilities window you get when Internet Recovery downloads the basic utilities screen. I now have a Mac formatted USB with an 'Install OS X' Mac Volume on it and inside that is the pkg file. I don't have another Mac, so I followed the steps to create a bootable installer by downloading and using TransMac on my Windows PC to format a 16GB USB, then restored it with a disk image of El Capitan which I downloaded from the Apple website using my iPhone's Safari before transferring it to my Windows PC. Hello! I've been gifted a MacBook Pro (2011, 15 inch) which has a blank formatted SSD and therefore no OS.
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