This downloads InstallMacOSX.dmg to your Downloads folder. Go to Download OS and click on OS X El Capitan 10.11
#MAC CANNOT FIND BOOTABLE USB FOR STARTUP HOW TO#
How to get old versions of macOS – Apple Support If you were given the Snow Leopard DVD install disk you can install thatĪfter you have updated it to 10.6.8 open the App Store Updates page Were you given the original install disks. If you cannot source another mac to act as a donor then there are other ways toĭoes this iMac have a built in CD/ DVD drive.
Where you have been given advice to source another mac that you knowĬan run El Capitan and create a bootable installer there. I think this is essential the same question you have asked in other posts The physical drive should be the top most item which is usually identified by the make & model of the drive itself.
When erasing the drive make sure to select the whole physical drive within Disk Utility and erase the physical drive as GUID partition and MacOS Extended (Journaled). Macs are very picky about the drives used for booting a Mac plus the quality of many USB sticks is extremely poor so try using another USB stick especially a different brand. dmg file you can then proceed to use the command line to create the bootable macOS USB installer itself. Make sure to carefully read the section regarding macOS 10.11 as there are extra steps required to extract the real installer from the downloaded. How to create a bootable installer for macOS - Apple Support Here are the instructions for creating a bootable macOS USB installer: Are you trying to boot into Recovery Mode to install macOS to an external USB drive or are you trying to boot from a macOS USB installer to install macOS to the internal drive? I'm a bit confused by your post on what you are trying to do here.
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