But what how can you access this hidden partition if something goes wrong with your hard drive? You can always connect your computer online and initiate the OS X Internet Recovery feature, but realistically, you may not always have an internet connection. Mac users could no longer depend on physical recovery disks to help them fix any problems on their machines.

Since OS X Mountain Lion, everything went digital and maintenance-minded. Part 2 How to Create an OS X Recovery Disk Click the 'Repair Disk' button to start fixing this button. To check the problem your Mac has, click the 'Verify Disk' button. Click 'Disk Utility' and choose the drive you want to repair on your Mac.(Note: if you do not see this, but instead see a login page, you will need to restart your Mac and do the whole process again). When your Mac has started up, the OS X utility window will appear and prompt you to choose one of the four options listed above.Continue to do this until the Apple logo appears. To put your Mac into Recovery Mode, restart your machine and hold down the 'Command + R' keys on your keyboard simultaneously.Here is how to repair Mac disk and recover Mac with OS X Recovery Disk: