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Sep 18, 2020 • Filed to: Solve Mac Problems • Proven solutions

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Do you know that mini heart attack you get when your Mac crashes or would not start? It is the worst feeling in the world, especially if you have a lifetime worth of work stored inside your machine. What should you do in these situations? As you are probably have been advised many times, backing up your data regularly is a great practice. For Mac users, setting up an OS X Recovery Disk would be beneficial when trouble strikes. For example, it is conducive to Mac file recovery while you find data lost.

What Is an OS X Recovery Disk?

The OS X Recovery Disk is a native but hidden recovery volume on your Mac hard drive. This feature can be used to start up your machine and perform emergency maintenance services such as repairing a corrupted drive by running Disk Utility, surf the Internet to assess the problem you might be experiencing or download any necessary updates. You can also use the OS X Recovery Disk to reinstall your operating system and restore lost data from Time Machine backup.

Part 1 How to Restore Mac with Recovery Disk Mac

Now that you know that your machine has a built-in recovery tool, you may ask, 'How to use the OS X Recovery Disk?' The feature allows you to do the following options:

  • Use Time Machine backup to restore your Mac.
  • Reinstall Mac OS X with a recovery disk.
  • Get help online or check your internet connection.
  • Use Disk Utility to verify and repair connected disks.
Related: You can also use Disk Utility to resize volume on Mac.

Here is how to repair Mac disk and recover Mac with OS X Recovery Disk:

  1. To put your Mac into Recovery Mode, restart your machine and hold down the 'Command + R' keys on your keyboard simultaneously. Continue to do this until the Apple logo appears.
  1. 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. (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).
  1. Click 'Disk Utility' and choose the drive you want to repair on your Mac. Open the 'First Aid' tab. To check the problem your Mac has, click the 'Verify Disk' button. Click the 'Repair Disk' button to start fixing this button.

Part 2 How to Create an OS X Recovery Disk

Since OS X Mountain Lion, everything went digital and maintenance-minded. Mac users could no longer depend on physical recovery disks to help them fix any problems on their machines. 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. This method will also not work if you had upgraded an old Mac to run on a newer version of OS X.

In these situations, having your OS X Recovery Disk easily accessible on an external USB drive or SD card would be beneficial. It is straightforward. Read on to learn how to create OS X Recovery Disk that you can easily access anywhere, anytime. Before you start, here are some of the things you need to adhere to:

  • To create an OS X Recovery Disk, make sure that your machine is at least running on OS X Lion or Mountain Lion and that there is an existing Recovery System on its startup volume. If you have a newer Mac, use Internet Recovery to get the system online.
  • An external USB drive or SD card with at least 1GB free space.

Once you have made sure both requirements are fulfilled, follow the following steps to create an OS X recovery disk:

  1. Download the Recovery Disk Assistant from the Apple website if you do not have it already in your Applications/Utility folder.
  1. Wait until the download is complete and double-click on the file, which should be named 'RecoveryDiskAssistant.dmg.' This will create the Recovery Disk Assistant.appfile - drag it into your Applications folder.
  1. Attach an external hard drive or USB stick and launch the Recovery Disk Assistant. Agree to the terms and conditions and wait until the software detects your external drive.
  2. Select the drive you want to use to create the OS X Recovery Disk. Click 'Continue'. (Note: all data in the selected drive will be overwritten so that the wizard can install the needed data to make the external hard drive or USB stick into a recovery disk.)

It will take some time for the process to complete. When the software prompts you that it is done, click on the 'Quit' button. Eject the new recovery disk and keep it in a safe place. You will be able to use the disk when you need it the most. It is also a good idea to update this disk regularly.

Part 3 How to Recover Data on Mac Hard Drive

How do I recover files on my Mac for free?

If you just want to recover deleted or lost files from Mac hard drive, you can rely on a free data recovery program to help you do that. For example, Recoverit Free Mac Data Recovery. This file recovery freeware for Mac is dedicated to recovering data on Windows or Mac computer. If you want to retrieve data from an external device, like an external disk or memory card, connect it to your computer and the stored data can also be recovered.

Recoverit - The Free Software for Mac OS Recovery

  • Recover documents, photos, videos, emails, and more from Mac hard drive.
  • Recover 1000+ types and formats of files in different data loss situations.
  • Scan and preview the files before you recover them from all storage devices.

Video Tutorial on Windows and Mac Hard Drive Recovery

This free hard drive data recovery software is easy to use and user-friendly. Watch the video, and you can get three simple steps to recover your data from the hard drive.

3 Steps to Recover Files from Mac Hard Disk

Download Recoverit Free Data Recovery and take the next three steps to recover Mac hard drive data for free right away.

  1. Select the recovery disk

To recover data from a Mac hard disk, please select the hard drive where you want to restore Mac data. Click the 'Start' button to move forward.

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  1. Scan the Mac recovery disk

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Recoverit Mac Disk Recovery will start an instant and all-around scan on the recovery disk. All the lost, inaccessible or deleted files on Mac will be shown gradually.

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  1. Preview and recover data

Once the scan ends, all the scanned files will be listed according to the file formats. You can preview the files, select the wanted ones, and click 'Recover' to get them back.

Having a built-in recovery solution is excellent, especially when you tend to lose or misplaced recovery disks. It would be great to learn how to use it and have a copy of it stored outside the machine so that you will be able to access it when you cannot do it straight from your computer. Fail to do it? Only want to recover data? Recoverit can help you. Download it and recover lost files for free.

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Reinstall from macOS Recovery

macOS Recovery makes it easy to reinstall the Mac operating system, even if you need to erase your startup disk first. All you need is a connection to the Internet. If a wireless network is available, you can choose it from the Wi-Fi menu , which is also available in macOS Recovery.

1. Start up from macOS Recovery

To start up from macOS Recovery, turn on your Mac and immediately press and hold one of the following sets of keys on your keyboard. Release the keys when you see an Apple logo, spinning globe, or other startup screen.

Command (⌘)-R

Reinstall the latest macOS that was installed on your Mac (recommended).

Option-⌘-R

Upgrade to the latest macOS that is compatible with your Mac.

Shift-Option-⌘-R

Reinstall the macOS that came with your Mac, or the closest version still available.

You might be prompted to enter a password, such as a firmware password or the password of a user who is an administrator of this Mac. Enter the requested password to continue.

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When you see the utilities window, you have started up from macOS Recovery.

2. Decide whether to erase (format) your disk

You probably don't need to erase, unless you're selling, trading in, or giving away your Mac, or you have an issue that requires you to erase. If you need to erase before installing macOS, select Disk Utility from the Utilities window, then click Continue. Learn more about when and how to erase.

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3. Install macOS

When you're ready to reinstall macOS, choose Reinstall macOS from the Utilities window. Then click Continue and follow the onscreen instructions. You will be asked to choose a disk on which to install.

  • If the installer asks to unlock your disk, enter the password you use to log in to your Mac.
  • If the installer doesn't see your disk, or it says that it can't install on your computer or volume, you might need to erase your disk first.
  • If the installer is for a different version of macOS than you expected, learn about macOS Recovery exceptions.
  • If the installer offers you the choice between installing on Macintosh HD or Macintosh HD - Data, choose Macintosh HD.

Please allow installation to complete without putting your Mac to sleep or closing its lid. During installation, your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time.

If your Mac restarts to a setup assistant, but you're selling, trading in, or giving away your Mac, press Command-Q to quit the assistant without completing setup. Then click Shut Down. When the new owner starts up the Mac, they can use their own information to complete setup.

macOS Recovery exceptions

The version of macOS offered by macOS Recovery might vary in some cases:

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  • If macOS Sierra 10.12.4 or later has never been installed on this Mac, Option-Command-R installs the macOS that came with your Mac, or the closest version still available. And Shift-Option-Command-R isn't available.
  • If you erased your entire disk instead of just the startup volume on that disk, macOS Recovery might offer only the macOS that came with your Mac, or the closest version still available. You can upgrade to a later version afterward.
  • If your Mac has the Apple T2 Security Chip and you never installed a macOS update, Option-Command-R installs the latest macOS that was installed on your Mac.
  • If you just had your Mac logic board replaced during a repair, macOS Recovery might offer only the latest macOS that is compatible with your Mac.

If you can't get macOS Recovery to offer the installer you want, you might be able to use one of the other ways to install macOS.

Other ways to install macOS

  • You can also install macOS from the App Store or Software Update preferences. If you can't install macOS Catalina, you might be able to install an earlier macOS, such as macOS Mojave, High Sierra, Sierra, El Capitan, or Yosemite.
  • Or create a bootable installer disk, then use that disk to install macOS on your Mac or another Mac.