You can also use a bootable USB to upgrade Windows 7 or 8 to Windows 10 if a previously automatic upgrade doesn’t function correctly. You will need another Mac to write the installer to create a USB installer from, using Install Disk Creator.Even if no such PC emergency is present, it’s a good idea to have a Windows image for data backup on a USB-capable storage medium (could also be an external hard drive) on hand. Reset the nvram, then try a different thumbdrive using Install Disk Creator.Įl Capitan can be downloaded here. it won’t let me download from the internet, I don’t have another Mac and I can’t seem to get a usb to work to boot from, can anyone help or point me in the right direction? I have a 2009 MacBook and I’ve been trying and searching for a week on how to restore OS X. But since El Capitan, Apple has included a createinstallmedia script inside the installer, and I've just used that to great success. This article was what I originally followed when making this drive, although instead of using DiskMaker X like the article recommends, I found Install Disk Creator had better compatibility with some of the older macOS installers. Please make sure the USB is formatted as GPT. I used Install Disk Creator to download the Ventura 13.0. Obviously don't use the same USB-drive that all. If you don't want to create the installer disk manually, I think you can use this app. This is what I do, in fact I bought a few cheap 32 GB USB-drives on Amazon-a 5-pack costs maybe $25-and install different versions of macOS on them when need be. If for some reason installing directly from the installer file doesn't work-you can create a bootable installer disk. Planning to downgrade from Ventura to Monterey After you have the usb boot it by holding ALT. Check your macos version eg High Sierra then use or to create the usb. You can create one using another mac or that mac if it boots up enough. Then you need usb containing macos install media. If it keeps thowing that prohibitory icon or question mark it means you either dont have recovery or its busted. Other than using Terminal or DiskMaker X, you can purchase an installer for 10.11 from Amazon or eBay, but who can say if they did it right.Īnything I can do about this? Happens on startup. There is no app or software (that I’m aware of) that you can use to make the installer on a Chromebook, and using TransMac on Windows hasn’t worked for the last couple of years. The verified working methods for creating an installer are using Terminal or DiskMaker X. As far as I know, TransMac hasn’t worked since before 2020 for creating a bootable installer for macOS and although I am not familiar with Anyburn, it may have the same problem. ![]() ![]() That model of MacBook Air shipped with OS X Mavericks (10.9) and can officially handle up to macOS Big Sur. You'll need another functioning Mac for either method. ![]() Here are Apple's official instructions for creating a bootable USB. It sounds like your USB drive hasn't actually been flagged as bootable. ![]() I would use macOS High Sierra (10.13) as the basis for the installer rather than previous versions. If you have another Mac, this or DiskMaker X are likely your best options for creating the installer. Mac Mini 2011 - Internet recovery fails at the endĪnecdotally I haven’t heard of anyone having success with a TransMac created bootable installer since 2020.
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