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Mac Disk Utility Boot Camp

Mar 24, 2020 Use Disk Utility to repair your startup disk. If Disk Utility found no errors or repaired all errors, try again to use Boot Camp Assistant to install Windows. If Boot Camp Assistant still gives the partitioning error, continue to the steps below. Oct 17, 2016 The tool makes the machine more efficient to run performance intensive apps and programs. In short, BootCamp is used to dual boot Windows and macOS on Mac machine. After installing Windows, you might not be able to see BootCamp Partition in MacOS. In case, you try to access the drive using Disk Utility, the partition will be greyed out. Feb 08, 2012.

  1. Mac Boot Disk Usb
  2. Disk Utility Mac Restore Boot Camp
  3. Mac Disk Utility Boot Camp Windows 10

At times, initially created Boot Camp partition needs more space, therefore in order to enlarge the size people often format their boot camp drive and recreate it with more space. This process is actually recommended by Mac as Disk Utility can resize an HFS+ (Mac OS) partitions, but not capable enough to revise the size of NTFS based partitions. Jul 25, 2008  I accidently erased my partition in Disk Utility. Quickly after I remembered I was suppose to restore to one partition in Boot Camp Assistant. So basically now I have my Macintosh HD and a blank HSF+ partition named Windows. Boot Camp wont let me restore, Boot Camp wont let. Install Windows on your Mac. Boot Camp is a utility that comes with your Mac and lets you switch between macOS and Windows. Download your copy of Windows 10, then let Boot Camp Assistant walk you through the installation steps. Get started with Boot Camp.

Mac Disk Utility Boot Camp

What you need to install Windows 10 on Mac

  • MacBook introduced in 2015 or later
  • MacBook Air introduced in 2012 or later
  • MacBook Pro introduced in 2012 or later
  • Mac mini introduced in 2012 or later
  • iMac introduced in 2012 or later1
  • iMac Pro (all models)
  • Mac Pro introduced in 2013 or later

The latest macOS updates, which can include updates to Boot Camp Assistant. You will use Boot Camp Assistant to install Windows 10.

64GB or more free storage space on your Mac startup disk:

  • Your Mac can have as little as 64GB of free storage space, but at least 128GB of free storage space provides the best experience. Automatic Windows updates require that much space or more.
  • If you have an iMac Pro or Mac Pro with 128GB of memory (RAM) or more, your startup disk needs at least as much free storage space as your Mac has memory.2

An external USB flash drive with a storage capacity of 16GB or more, unless you're using a Mac that doesn't need a flash drive to install Windows.

A 64-bit version of Windows 10 Home or Windows 10 Pro on a disk image (ISO) or other installation media. If installing Windows on your Mac for the first time, this must be a full version of Windows, not an upgrade.

  • If your copy of Windows came on a USB flash drive, or you have a Windows product key and no installation disc, download a Windows 10 disk image from Microsoft.
  • If your copy of Windows came on a DVD, you might need to create a disk image of that DVD.

How to install Windows 10 on Mac

To install Windows, use Boot Camp Assistant, which is included with your Mac.

Mac Boot Disk Usb

1. Use Boot Camp Assistant to create a Windows partition

Disk Utility Mac Restore Boot Camp

Open Boot Camp Assistant, which is in the Utilities folder of your Applications folder. Then follow the onscreen instructions.

  • If you're asked to insert a USB drive, plug your USB flash drive into your Mac. Boot Camp Assistant will use it to create a bootable USB drive for Windows installation.
  • When Boot Camp Assistant asks you to set the size of the Windows partition, remember the minimum storage-space requirements in the previous section. Set a partition size that meets your needs, because you can't change its size later.

2. Format the Windows (BOOTCAMP) partition

When Boot Camp Assistant finishes, your Mac restarts to the Windows installer. If the installer asks where to install Windows, select the BOOTCAMP partition and click Format. In most cases, the installer selects and formats the BOOTCAMP partition automatically.

3. Install Windows

Unplug any external devices that aren't necessary during installation. Then click Next and follow the onscreen instructions to begin installing Windows.

4. Use the Boot Camp installer in Windows

After Windows installation completes, your Mac starts up in Windows and opens a ”Welcome to the Boot Camp installer” window. Follow the onscreen instructions to install Boot Camp and Windows support software (drivers). You will be asked to restart when done.

  • If the Boot Camp installer never opens, open the Boot Camp installer manually and use it to complete Boot Camp installation.
  • If you have an external display connected to a Thunderbolt 3 port on your Mac, the display will be blank (black, gray, or blue) for up to 2 minutes during installation.

How to switch between Windows and macOS

Restart, then press and hold the Option (or Alt) ⌥ key during startup to switch between Windows and macOS.

Learn more

If you have one of these Mac models using OS X El Capitan 10.11 or later, you don't need a USB flash drive to install Windows:

  • MacBook introduced in 2015 or later
  • MacBook Air introduced in 2015 or later3
  • MacBook Pro introduced in 2015 or later3
  • iMac introduced in 2015 or later
  • iMac Pro (all models)
  • Mac Pro introduced in late 2013

To remove Windows from your Mac, use Boot Camp Assistant, not any other utility.

For more information about using Windows on your Mac, open Boot Camp Assistant and click the Open Boot Camp Help button.

1. If you're using an iMac (Retina 5K, 27-inch, Late 2014) or iMac (27-inch, Late 2013) or iMac (27-inch, Late 2012) with a 3TB hard drive and macOS Mojave or later, learn about an alert you might see during installation.

2. For example, if your Mac has 128GB of memory, its startup disk must have at least 128GB of storage space available for Windows. To see how much memory your Mac has, choose Apple menu  > About This Mac. To see how much storage space is available, click the Storage tab in the same window.

3. These Mac models were offered with 128GB hard drives as an option. Apple recommends 256GB or larger hard drives so that you can create a Boot Camp partition of at least 128GB.


Erasing a disk or volume permanently deletes all of its files. Before continuing, make sure that you have a backup of any files that you want to keep.

How to erase a disk

Proceed based on whether you’re erasing your startup disk or some other disk. Your startup disk is the disk (volume) that your Mac started up from. By default, it’s the disk built into your Mac, named Macintosh HD. If you’re selling, giving away or trading in your Mac, you should erase your startup disk.

Erase a startup disk

  1. Start up from macOS Recovery.
  2. Select Disk Utility from the Utilities window in macOS Recovery. Then click Continue.
  3. Make sure that the sidebar in Disk Utility shows the name of your startup disk. The volume representing your startup disk is Macintosh HD, unless you’ve renamed it. Don’t see it?
  4. Look for a “Data” volume with the same name, such as “Macintosh HD - Data”. If you have such a volume, select it. Then choose Edit > Delete APFS Volume from the menu bar, or click the delete volume button (–) in the Disk Utility toolbar.
    When you’re asked to confirm, click the Delete button. Do not click Delete Volume Group. Do the same to delete other volumes that you might have on your startup disk — except the volume named Macintosh HD.
  5. After deleting any Data volumes, select Macintosh HD in the sidebar.
  6. Click the Erase button or tab, then complete these items:
    • Name: Enter a name that you want the volume to have after you’ve erased it, such as Macintosh HD.
    • Format: Choose either APFS or Mac OS Extended (Journaled) to format as a Mac volume. Disk Utility shows the recommended Mac format by default.
  7. Click Erase to begin erasing. You might be prompted to enter your Apple ID.
  8. When finished, quit Disk Utility to return to the Utilities window.
  9. If you want your Mac to be able to start up from this volume again, choose Reinstall macOS from the Utilities window, then follow the on-screen instructions to reinstall macOS on the volume. If you don’t reinstall macOS, your Mac might start up to a flashing question mark (?).

Erase some other disk

The steps above also work when erasing a storage device that you aren’t using as a startup disk. However, in that case, it isn’t necessary to open Disk Utility from macOS Recovery — you can instead open it from the Utilities folder of your Applications folder. And you don’t need to delete Data volumes first — just select your disk in Disk Utility, then click Erase.

How to change the partition map (scheme) of a disk

In some circumstances, you might need to change the partition map (scheme) while erasing. If you’re following instructions that require choosing a scheme, the steps in Disk Utility differ from the steps above.

  1. After opening Disk Utility, choose View > Show All Devices from the menu bar.
  2. The sidebar now shows not just volumes, but also the disks (devices) that contain those volumes. In the following example, APPLE SSD is the disk, Container disk1 is a container on that disk and Macintosh HD is a volume in that container. (Only APFS-formatted disks have containers.)
  3. Select the disk that you want to erase, such as Apple SSD.
  4. Check the information shown on the right-hand side of the window to find out which partition map is currently in use:
    • GUID Partition Map is appropriate for Mac disks.
    • Master Boot Record is appropriate for external drives used with a PC or Boot Camp.
  5. If the partition map is not appropriate for the disk’s intended use, click the Erase button or tab, then complete these items:
    • Name: Enter a name that you want the disk to have after you’ve erased it, such as Apple SSD.
    • Format: To format as a Mac disk, choose either APFS or Mac OS Extended (Journaled). Disk Utility shows a compatible format by default.
    • Scheme: Choose the appropriate partition map scheme.
  6. Click Erase to begin erasing. If you’re erasing your startup disk, you might be prompted to enter your Apple ID.
  7. Quit Disk Utility when finished.
  8. If you want your Mac to be able to start up from this disk, choose Reinstall macOS from the Utilities window, then follow the on-screen instructions to reinstall macOS on the disk.

Why erase a disk?

You can erase a disk or volume at any time, including in circumstances such as these:

Mac
  • You want to quickly and permanently erase all content from your Mac and restore it to factory settings, such as when you’re selling, giving away or trading in your Mac.
  • You’re changing the format of a disk, such as from a PC format (FAT, ExFAT or NTFS) to a Mac format (APFS or Mac OS Extended).
  • You’ve received a message that your disk isn’t readable by this computer.
  • You’re trying to resolve a disk issue that Disk Utility can’t repair.
  • The macOS installer doesn’t see your disk or can’t install on it. For example, the installer might say that your disk isn’t formatted correctly, isn’t using a GUID partition scheme, contains a newer version of the operating system or can’t be used to start up your computer.
  • The macOS installer says that you may not install to this volume because it is part of an Apple RAID.

About APFS and Mac OS Extended

Disk Utility in macOS High Sierra or later can erase most disks and volumes for Mac using either the newer APFS (Apple File System) format or the older Mac OS Extended format, and it automatically chooses a compatible format for you. Cooking games offline free download for pc.

Identify the current format

If you want to know which format is currently in use, use any of these methods:

Mac Disk Utility Boot Camp Windows 10

  • Select the volume in the Disk Utility sidebar, then check the information on the right. For more detail, choose File > Get Info from the Disk Utility menu bar.
  • Open System Information and select Storage in the sidebar. The File System column on the right shows the format of each volume.
  • Select the volume in the Finder, then choose File > Get Info from the menu bar. The Get Info window shows the Format of that volume.

Choose between APFS and Mac OS Extended

If you want to change the format, answer these questions:

Are you formatting the disk that came built into your Mac?
If the built-in disk came APFS-formatted, don’t change it to Mac OS Extended.

Are you about to install macOS High Sierra or later on the disk?
If you need to erase your disk before installing High Sierra or later for the first time on that disk, choose Mac OS Extended (Journaled). During installation, the macOS installer decides whether to automatically convert to APFS — without erasing your files.

Are you preparing a Time Machine backup disk or bootable installer?
Choose Mac OS Extended (Journaled) for any disk that you plan to use with Time Machine or as a bootable installer.

Will you be using the disk with another Mac?
If the other Mac isn’t using High Sierra or later, choose Mac OS Extended (Journaled). Earlier versions of macOS don’t mount APFS-formatted volumes.

Disk Utility tries to detect the type of storage and show the appropriate format in the Format menu. If it can’t, it chooses Mac OS Extended, which works with all versions of macOS.

If your disk doesn’t appear in Disk Utility

If Disk Utility doesn’t show a sidebar, choose View > Show Sidebar from the menu bar.

If Disk Utility shows the sidebar, but your disk doesn’t appear within it, disconnect all non-essential devices from your Mac. If the disk is external, leave it connected, but make sure that it’s turned on and connected directly to your Mac using a good cable. Then restart your Mac and try again. If your disk still doesn’t appear, your disk or Mac might need service. Learn how to get your Mac ready for service.

Learn more

  • If you can’t start up from macOS Recovery, you can instead use a different startup disk, if you have one.