How to create a bootable installer for macOS - Apple Support

It was acting up so decided a re-install was the best way to go. Followed the instructions and all went well until it it restarted. Message says” OS X could not be installed on your computer”, “No packages were eligible for install. Contact the software manufacturer for assistance. “Quite the installer restart your computer and try The OS X Utilities window appears. Select Reinstall OS X, and click Continue. The OS X Yosemite splash screen appears. Click Continue. A sheet appears informing you that your computer’s eligibility needs to be verified by Apple. Click Continue to begin the process of installing or reinstalling OS X. Nov 29, 2017 · If you succeed in downloading the OS installation, your next step is to create a bootable USB or DVD and then reinstall the OS on your computer. How to download older Mac OS X versions via the App Store. If you once had purchased an old version of Mac OS X from the App Store, open it and go to the Purchased tab. OS X 10.11 El Capitan was released on September 30, 2015. Similar to Mac OS X 10.6 Snow Leopard, Apple described this release as containing "refinements to the Mac experience" and "improvements to system performance" rather than new features. At this point, the Mac should start to download the recovery files from the internet and show a status bar. When complete, it should reinstall macOS Recovery and reinstall macOS on the main partition.

Jul 13, 2020

Apr 25, 2013 · Since Mac Os X 10.7 was released, all Macintosh computers were sold without an installation disk. There is a rescue partition on the HD or SSD, but what happ Oct 10, 2007 · Installing OS X from a DMG file can be difficult. With leopard testing and development, many people are having troubles installing from the supplied binary. Here is how it can be accomplished. Installing OS X from a dmg file format instead of a DVD/CD format seems challenging. Here is how it can be accomplished. 1. …

macOS - Wikipedia

Oct 10, 2007 · Installing OS X from a DMG file can be difficult. With leopard testing and development, many people are having troubles installing from the supplied binary. Here is how it can be accomplished. Installing OS X from a dmg file format instead of a DVD/CD format seems challenging. Here is how it can be accomplished. 1. … Thanks for the quick reply Grant. I can get into the recovery console with OS X utilities and i can click on Reinstall OS X. Once I click continue i get the popup that says "To download or restore your OS X your computer's eligibility will be verified with Apple" Jun 11, 2019 · If your Mac is missing a Recovery partition, then you may be able to restore it, by resetting your PRAM. To reset the PRAM, restart your Mac while holding down the ‘Command+Option+P+R’ keys until you hear macOS’ distinctive startup chimes for a second time. New Mac computers are causing problems for some users who tried to reinstall OS X or restore their computers from a back up. The problem stems from a permissions issue that occurs when the Quit out of the Disk Utility app, and this time choose Reinstall OS X and Continue.Follow the instructions that appear on screen, license agreements and all, and choose the hard drive to use (in