Notation: If the computer being used to perform this action is Too New or Too Old to qualify to run the version of macOS - this computer can not be used. OK - not where I wanted to be - but at least I have a functional MacBook Pro running Yosemite. Example : Bootable Installer of El Capitan would have to be done on a computer that Qualifies to run El Capitan. OK, reinstalled Snow Leopard and tried the Yosemite installer. And, of course, I don't have a functioning Snow Leopard any more. Downloaded El Capitan installer from the store. I have installers there for everything from Snow Leopard forward. Now I can access Apple Store and my purchase history. Machine is functioning albeit with a 2010 vintage OS.

If I changed the system date and tried to download the installer, I got an immediate error message that would not let me download the installer.Ĭalled Apple support - they referenced all the tricks I had tried then offered that perhaps som 3rd party repair shop might be able to help at some cost.įinally, I happened to have a Snow Leopard DVD. If I downloaded and tried to install, got the 'OS X could not be installed on this computer' error. I tried every trick that everyone has posted herein and NOTHING worked. In fact it was running El Capitan before I erased the disk and tried to do a clean installation using MacOS Recovery. Click the button that says El Capitan (10.11). 3.) A small window will appear asking you to choose from three versions of OS X, in order to create the boot disk. Choose Restore with Disk Image In here when the window will come up, you just have to click OK. Connect your USB thumb drive to your Mac, then launch the DiskMaker X application from your Applications folder. Once it’s there, insert the USB drive and right-click on the USB drive and select Restore with Disk Image. After the TransMac is installed, open it up. I had the same problem with a MacBook Pro 5, 1 late 2008 vintage that is supposed to be able to run El Capitan. Here’s how to Create Bootable USB Installer for macOS X El Capitan on Windows.

Download os x el capitan to usb