First, you have to download TransMac software for Windows and install it on your computer. This article explains how to create a bootable installer for OS X or macOS using a USB flash drive. Next: Open Terminal > enter OS-specific command > enter admin password when asked > Y to confirm. (also feel free to throw a virtual tomato at me for being dumb. To create bootable USB installer for Mac to Install Mac OS X El Capitan on Windows, on Mac or VirtualBox, you have to create bootable USB flash drive. Find installer in Applications > plug in flash drive > rename flash drive > open Applications or Utilities folder. I'm sure there has to be some little-documented way of actually accomplishing this. If you want to install El Capitan, and you have a new drive installed in your Mac, all you have to do is plug in this USB and start the Mac. 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. I have a brand new iMac running MacOS Monterey. On a Mac that is compatible with El Capitan, open the disk image and run the installer within, named InstallMacOSX.pkg.

The MacWorld guide and even Apple’s own support document, which other answers to this topic have linked to, doesn’t mention that the USB fla. 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. Answer (1 of 3): Linked below is the most complete guide I have found on the topic of creating a bootable copy of the Mac OS installer on a USB flash drive.

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.

Make el capitan bootable usb