Available on newer Macs with OS X Lion or later, this mode downloads a Recovery System image from Apple’s servers, and then starts up your Mac from it. Internet Recovery provides the same utilities and options as macOS’ Recovery Mode on a startup drive, Disk Utility included. While Mac OS X 10.6 Snow Leopard allows you to repair your Mac's hard drive using disk utilities installed with your operating system and running from the drive you are trying to repair, this may not help you solve the full range of problems that can affect your system.

Or do I still need to do something else? Is all hope lost?

Using the createinstallmedia command in Terminal Here are the required steps: • Connect to your Mac a properly formatted 8GB (or larger) drive, and rename the drive Untitled. (The Terminal command used here assumes the drive is named Untitled.) Also, make sure the Yosemite installer, called Install OS X Yosemite.app, is in its default location in your main Applications folder (/Applications). This means that if you moved it before installing Yosemite, you need to move it back before making your installer disk. • Select the text of this Terminal command and copy it: sudo /Applications/Install OS X Yosemite.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install OS X Yosemite.app --nointeraction • Launch Terminal (in /Applications/Utilities). Cad polyline arc. • Warning: This step will erase the destination drive or partition, so make sure that it doesn’t contain any valuable data.

How to create and restore an OS X recovery partition. Select the drive where you want to install the recovery files. To test the recovery partition, reboot the Mac and hold the [control. Starting with 10.7 “Lion,” Apple adopted this method of recovery for all flavors of OS X. However, two scenarios exist where this will not help overcome a debilitating system issue.