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To rename the Recovery Partition, falsely named "EFI Boot", I first mounted the Recovery HD, by showing all partitions in Disk Utility. To show all partitions: 1.) quit Disk Utility 2.) In Terminal write or paste: defaults write com.apple.DiskUtility DUShowEveryPartition 1 and hit 'enter'. Launch Disk Utility and mount the hidden, but now showing "Recovery ...


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OS X Yosemite automatically converts hard drives to Core Storage volumes, whose sizes can't be changed. You need to undo the Core Storage conversion. Here are instructions for making that happen. (source - this method worked for me). This method should be non-destructive, but as always, take a backup first! Boot into Recovery HD. If for any reason you ...


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Edit this file: /Volumes/rEFInd/System/Library/CoreServices/refind.conf Add the following text to the end of the above file. scanfor manual,internal,hdbios,external,biosexternal,optical,cd dont_scan_dirs /System/Library/CoreServices menuentry "Mac OS X" { icon \System\Library\CoreServices\icons\os_mac.png volume "Macintosh HD" loader ...


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Okay.. Apple have a perfectly workable website titled "Create a bootable installer for OS X Mavericks or Yosemite" ( https://support.apple.com/en-us/HT201372 ) Which tells you what to do via the Terminal, once you have successfully downloaded Install OS X Yosemite.app & Install OS X Mavericks.app. Their instructions are as follows: OS X Yosemite sudo ...


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Yes - it is possible. I have a USB drive with bootable OS X versions from 10.6 to 10.10. Use disk utility to create the partitions you need. Under Partition you can choose the number of desired partitions. Make sure you select the GUID Partition Table (GPT) in Options. Use a tool like DiskMaker X to create the OS X drives for you. For OS X 10.9 and 10.10 ...



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