#Make bootable stick yosemite mac os x how to

On a Mac that is compatible with El Capitan, open the disk image and run the installer within, named InstallMacOSX.pkg. This downloads as a disk image named InstallMacOSX.dmg. Enterprise administrators, please download from Apple, not a locally hosted software-update server. To get the correct installer, download from a Mac that is using macOS Sierra 10.12.5 or later, or El Capitan 10.11.6.

If the installer opens after downloading, quit it without continuing installation. These download to your Applications folder as an app named Install macOS. Download: macOS Big Sur, macOS Catalina, macOS Mojave, or macOS High Sierra.A downloaded installer for macOS Big Sur, Catalina, Mojave, High Sierra, or El Capitan.A USB flash drive or other secondary volume formatted as Mac OS Extended, with at least 14GB of available storage.What you need to create a bootable installer With the boot drive connected, start up - or restart - your Mac while holding down the Option key (also known as Alt. Now we'll install a fresh copy of High Sierra from the installer drive.

#Make bootable stick yosemite mac os x how to

Make a bootable installer on a memory stick - follow these instructions: how to create a bootable installer of macOS Connect the bootable installer to your Mac.

I have aacer aspire 4736 with intel centrino 4th series mobile chipset family 3 GB ram I created this bootable usb and configured the bios but still the usb boot is skipped. Create Bootable USB Installer for macOS Sierra Using UniBeast. Create Bootable USB Installer for macOS Sierra with DiskMakerX #3. Turn on your Mac and continue to hold the power button until you see the startup options window, which shows your bootable volumes and a gear icon labled Options. Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing. To create a bootable El Capitan installer drive, you need the El Capitan installer from the Mac App Store and a Mac-formatted drive thatвЂ™s big enough to hold the installer and all its data.