![]() ![]() ![]() Obviously that’s not the full installer, despite the. Instead, open it with Suspicious Package which will let you examine the contents of the. pkg file, it probably won’t work unless the Mac you’re using is capable of running El Capitan: “/Volumes/Install OS X/InstallMacOSX.pkg” Extract the Appĭon’t try to install from that. Open the ‘~/Downloads/InstallElCapitan.dmg’ Here’s how to download it and rename it at the same timeĬurl -fail -location -continue-at -output "$HOME/Downloads/InstallElCapitan.dmg" \ Likewise the DMGs aren’t named usefully when you mount them either, so make sure you name the DMGs well when you download them to avoid confusion. Download the DMGĪpple has created three DMGs for Yosemite, El Capitan, and Sierra, but couldn’t be bothered to give them useful names, so Yosemite and El Capitan are called ‘InstallMacOSX.dmg’ and Sierra is ‘InstallOS.dmg’. I will explain what I did, and where I got stuck, in the hopes that someone else might figure out what I did wrong and point me in the right direction. Today I tried (and failed) to create a new Virtual Machine in either Parallels or VMware Fusion using one of these DMGs, specifically, the El Capitan one. The other three are URLs to download DMGs: Three of the six are links to the Mac App Store: If an installer says it can’t be verified or was signed with a certificate that has expired – Apple Support Sudo /Applications/Install\ OS\ X\ Yosemite.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install\ OS\ X\ Yosemite.Scroll down to “Update and Solution” to see how to get this to work.Īpple recently released new installers for Mac OS X/OS X/mac OS to deal with expired certificates: How to create a bootable installer for macOS – Apple Support It is also possible to create a bootable USB installer disk using the Install OS X Yosemite.app in the Applications folder and the createinstallmedia command in the Terminal app. Prior to installing and moving it to an external drive for safe keeping. The copy of the install app self deletes after installing Yosemite, so make sure you keep a copy of the InstallMacOSX.dmg if you need it in future, or you could just make a copy of the Install OS X Yosemite.app To start the installation of Yosemite double click on the Install OS X Yosemite.app. You want to eventually install Yosemite on, that is for later.) The disk that you are booted to at the time. (If the installation window asks which disk you want to install to, you must pick You will find in your Applications folder. That and an installation window will open, this does not install Yosemiteīut converts the InstallMacOSX.pkg to the Install OS X Yosemite.app which When downloaded open to InstallMacOSX.pkg, double-click on The next section can only be done on a mac that is capable of running Yosemite,Ī mac that came preinstalled with an OS later than Yosemite will refuse to do the next bit. This downloads InstallMacOSX.dmg to your Downloads folder. Go to Section 4 and click on Download OS X Yosemite. How to upgrade to OS X Yosemite – Apple Support I have tried again and again but no joy.ĭo I have to find the original version OS disc that came with the computer and start from the beginning or can I download the original OS from Apple to a USB stick and boot from that?Īlso could you remind me how I boot up from a disc, hold down C or smoother combination of letter and buttons? Quit the installer to restart your computer and try again." Contact the software manufacturer for assistance. "OS X could not be installed on your computer - No packages were eligible for install. I've tried downloading from the OS X Utilities page but after downloading I get another page stating ![]() I am more than happy to erase the 3Gb hard drive. IMac 27" (late 2009) problem reinstalling Mac OS X Tiger OS I would like to use my old iMac 27" (late 2009) for very basic email and internet but I'm having a problem reinstalling Mac OS X Tiger OS using an install disc - which may just be an upgrade or from another apple computer, having owned 7 or 8 over the years and not the original boxed disc. ![]()
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