05.12.2020

Format Hard Drive For Mac Sierra

Format Hard Drive For Mac Sierra 7,9/10 9893 votes

Aug 09, 2017  Macbook hard drive was wiped installed macOS base system and when trying to reinstall macOS Sierra hard disk is now locked, how do I unlock the hard disk to reinstall macOS Sierra? More Less Posted on Aug 8, 2017 8:54 PM. Feb 08, 2020 The problem is that on macOS, you can’t work with files saved on an NTFS drive unless you use a paid app like Paragon NTFS for Mac. How to Format an External Drive for Mac (from NTFS to Mac OS Extended) Note: The tutorial and screenshots below are based on macOS Sierra 10.12.5. They might be different if your Mac has a different version. If you want to permanently erase data on the hard drive, you can try the solution 3. Solution 3: format and erase hard drive under macOS 10.13 High Sierra with AweEraser for Mac. AweEraser for Mac is a data erasure application. It can format your hard drive and erase all the data on your hard drive, beyond the scope of data recovery. Step 3: Check Perform a quick format and click OK to format the external hard drive. How to format an external hard drive for Mac and PC? Sometimes, users need to use the same external hard drive interchangeably on Mac and PC. To make it compatible with both macOS and Windows, you need to reformat the external hard drive.

Reinstall from macOS Recovery

Jul 12, 2017  Why You Probably Don’t Want to Use APFS Yet. RELATED: The Best New Features in macOS Sierra (and How to Use Them) The new Apple File System is currently experimental. Apple is targeting a final release in 2017, and your Mac’s system drive–and the drives inside iPhones, iPads, Apple TVs, and Apple Watches–should automatically convert to APFS at that point. FAT32 sets the file system. MBRFormat tells disk utility to format with a Master Boot Record. /dev/disk2 is the location of the USB drive. After the process completes, type diskutil list in command once more to check if the USB drive has been formatted successfully.

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.

Solution 2: Format hard drive under macOS 10.12 Sierra with Disk Utility Disk Utility is a built-in app in macOS 10.12 Sierra. You can run it on your Mac, then select the hard drive to format/erase. The formatted data can be recovered by data recovery software.

Command (⌘)-R

Format Mac Internal Hard Drive

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.

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

2. Decide whether to erase (format) your disk

Format Hard Drive For Macos High Sierra

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.

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.

Best Format For External Hard Drive Mac High Sierra

macOS Recovery exceptions

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

  • 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.