(also feel free to throw a virtual tomato at me for being dumb. Official EI Capitan DMG: There is a bug in the official release of OS X El Capitan that. Instructions on how to do that are on the Internet/Youtube. A bootable ISO or bootable USB can be made from this installer. Un-archive the zip archive and you will get the app Installer. I'm sure there has to be some little-documented way of actually accomplishing this. Learn how to create macOS bootable USB from Windows with simple. Official OS X El Capitan Installer from the Mac App Store. How do I create an OS X El Capitan installation media from an iMac running MacOS Monterey? The new iMac won't run the El-Cap installer package inside the. You can use the bootable USB flash drive to run the installer on any Mac. Before you start the actual creation process, you should first download the app. If you are looking for a way to save your time and nerves, then it’s better to go with this method.

I have a brand new iMac running MacOS Monterey. What You Need to Run OS X El Capitan Before downloading and installing OS X El. Method 1: (Quick & Easy) Create macOS Bootable USB Using Disk Drill Disk Drill is one the most user-friendly apps that can create a macOS bootable USB in no time. Now I have an '09 iMac (iPaperweight) with no OS, and it won't let me download OS X from the App Store through recovery because apparently that's no longer available (?).īut. Turns out it didn't, and then I ruined it anyway by trying to change the partition size/filesystem type from 64 GB OS X Journaled to ExFAT 12 GB (I'm not sure why on earth I thought that would work and not erase the partition.

So, I did the dumb, I erased the HDD on an '09 iMac (El Capitan) without verifying that the third-party-created thumbdrive installer (DiskCreatorX) actually worked as a bootable drive on the machine.

Bootable usb el capitan