- Setup osx high sierra usb installer how to#
- Setup osx high sierra usb installer install#
- Setup osx high sierra usb installer update#
and I was able to reboot my iMac mid 2010 (with very long USB loading times). So I installed High Sierra 10.13.6 on an external hard drive (USB) to test my guess (HDD corrupt).
Setup osx high sierra usb installer install#
This is probably due to a problem on the internal hard drive, the original 1TB HDD. macOS Sierra is a free upgrade via the Mac App Store, but if you need to upgrade multiple Macs or install Sierra on a new empty drive, you'll want a trusty USB installer. At each attempt, this message appeared: cannot complete the installation due to a problem. Unfortunately, none of the various attempts were successful. Then I created an installer via usb stick, and tried to install the operating system on my iMac Mid 2010 (iMac11,3). I was able to download the macOS High Sierra 10.13.6 full installer version thanks to a mid 2012 macbook pro with macOS El Capitan installed.Īll other attempts with the latest mac book pro and already installed versions of the operating system (Catalina or Mojave) have been unsuccessful. Restart your mac and try downloading High Sierra again. A bootable macOS Catalina 10.15.4/ High Sierra 10.13.6 recovery disk helps offline installation when the Internet fails to restore a Mac.
I am not entirely sure it will make a difference but uncheck that box. Create a macOS USB installer on Windows 10 PC.
Setup osx high sierra usb installer update#
"Downloading new updates." is a bit misleading it is in fact downloading Install macOS High Sierra.appįrom your earlier screenshot of the Software Update panel you have checked the box Automatically keep my mac up to date. When I click on Download the Software Updates window opensĪnd after a couple of minutes I see this, This will redirect you to the App Store High Sierra page Go to Section 4 and click on Get macOS High Sierra
Setup osx high sierra usb installer how to#
How to upgrade to macOS High Sierra - Apple Support This will take you to the Mac’s built-in Startup Manager that lets you pick a startup drive for the computer at boot time. To use the USB installer, simply insert the USB drive and start up or restart your computer whilst holding the Option () key. (My mac is/ was capable of running High Sierra) How to use macOS High Sierra USB installer. I am doing this on a mac with macOS Mojave 10.14.6 installed. If that is not the case then I probably do the same a you. Apple does not take into consideration that you want to download the installer and then install it on another older compatible mac. The reason I ask is that any mac that came preinstalled with a newer OS than High Sierra will not be allowed to download High Sierra or any older OS. Mike you are trying to download High Sierra to your MacBook Pro, did this MacBook Pro come preinstalled with Mojave or Catalina.
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