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What happens if you accidentally deleted Macintosh HD?

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What happens if you accidentally deleted Macintosh HD?

If you erase your Macintosh HD accidentally, the Mac computer will be reset to factory settings and wipe your Mac computer. That’s to say, the software will go back to how it was when you first turned it on, and all the files, data, and applications on the Mac computer will be deleted.

How do I restart my Mac after deleting a disk?

Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.

How do I restore my Mac when it wont boot?

How to use Internet Recovery to reinstall macOS

  1. Shut down your Mac.
  2. Hold down Command-Option/Alt-R and press the Power button.
  3. Hold down those keys until you a spinning globe and the message “Starting Internet Recovery.
  4. The message will be replaced with a progress bar.
  5. Wait for the MacOS Utilities screen to appear.
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How do I reinstall Macintosh HD after deleting it?

Method 1: Recover an Erased Mac Hard Drive with Data Recovery Software

  1. Download and Install Disk Drill for Mac.
  2. Launch Disk Drill and Scan the Erased Hard Drive.
  3. Recover Selected Files from your Hard Drive.
  4. Select the volume you want to restore in the sidebar.
  5. Click the Restore button.

How do I restore my Macintosh HD?

Restore a disk using Disk Utility on Mac

  1. In the Disk Utility app on your Mac, choose View > Show All Devices.
  2. In the sidebar, select the volume you want to restore, then click the Restore button .
  3. Click the Restore pop-up menu, then choose the volume you want to copy.
  4. Click Restore, then click Done.

How do I start my Mac in Disk Utility mode?

To access the Disk Utility on a modern Mac—regardless of whether it even has an operating system installed—reboot or boot up the Mac and hold Command+R as it boots. It’ll boot into Recovery Mode, and you can click Disk Utility to open it up.

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Can I delete Macintosh HD data?

The answer is you need to back up your Mac first, then open Disk Utility in macOS Recovery mode. Next, delete Macintosh HD* – Data the user volume, using the – volume icon present on the top panel of Disk Utility. Later, select Macintosh HD the system volume, and click the Erase tab to erase the volume.

How do I get to the startup disk on a Mac?

On your Mac, choose Apple menu > System Preferences, then click Startup Disk . If the lock at the bottom left is locked , click it to unlock the preference pane. Click the icon of the disk you want to use, then click Restart.

What is the boot key for Mac?

Command (⌘)-R: Start up from the built-in macOS Recovery system. Or use Option-Command-R or Shift-Option-Command-R to start up from macOS Recovery over the internet.

Why can’t I delete my MacBook HD from my computer?

You can’t delete your Macintosh HD when you’re booted from it. The system will not allow that. Try booting into recovery and tell us what you see by using Disk Utility from Utilities. Boot to recovery by pressing Command + R when you hear the boot chime. Keep holding those keys down until you see the Apple appear.

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How to recover data lost due to accidentally erased hard drive on Mac?

Data lost due to accidentally erased hard drive on Mac can be recovered if you can hurry up. To recover data lost or deleted by erasing hard drive on Mac with Disk Utility, the only way is by using a professional data recovery software. All these erased files are not visible.

Does Disk Utility erase the hard drive on Mac?

Do not regard the “erase the hard drive on Mac” of Disk Utility as the data eraser or other third-party software. It is not designed for users to destroy data, but clear space for new ones. As we all know, deleting or cleaning up hard drive never delete files permanently until they’re overwritten by new data.

How do I reinstall OS X Lion on a damaged disk?

You should get the recovery partition. If so, boot into it. Go to Disk Utility and do ‘Repair Disk’. Do it more than once if necessary, or until no more errors show. Once the disk is repaired, choose ‘Reinstall OS X Lion’ from within recovery.