Boot Mac Os X

  1. Safe Boot Mac Os X
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  3. Boot Mac Os X In Safe Mode

To create a bootable USB drive from a DMG file on Windows, you will need to have the right utility. That's because DMG is not native on Windows. It is the Mac equivalent of an ISO file that has been in use since Apple transitioned from the IMG format with Mac OS X. A DMG file, like ISO, can be used to install macOS operating system or Mac apps. If the Mac computer was broken or crashed and couln't get into the system, but you only have access to a Windows PC, there's still a way to make a bootable macOS install USB on Windows.

This article looks at three applications that you can use to create a bootable USB drive from a DMG file in Windows. All of them have their advantages and disadvantages, which we have highlighted. You can make the best choice for you based on the information provided below. They are in no particular order of preference.

DMG Editor - Make Bootable USB from DMG File on Windows

It is not easy to find an user-friendly application when it comes to make bootable macOS Install USB. That's the reason why we spent months to develop such an app. Our latest product, DMG Editor, is a fairly robust application for creating bootable USB from a DMG file. And it works well on both Windows and Mac platforms.

My Mac won't boot into OS X anymore after installing Windows 7 via Boot Camp. What I've Tried: - Holding down various key combinations during start-up (Option, Option-R, Command-R, Option-Command-R, etc) does nothing. Secure boot options are available only on Mac computers with the Apple T2 Security Chip. After you restart your Mac, changes to the secure boot option take effect. In the Recovery app, choose Utilities Startup Security Utility.

How to Set the Computer Boot from the Bootable Media. Step 1 Connect your external drive to your unbootable Mac. Step 2 Press down on the ‘Option’ key after restarting your Mac. Step 3 Once the booting has finished, your Mac will display the Startup Manager to show you the available boot drives. Mar 24, 2020 Click the Boot Camp icon. From the menu shown, choose Restart in macOS. If you haven't installed the latest Boot Camp updates, you might get the message ”Could not locate the OS X boot volume.' Or use Startup Manager as your Mac starts up: Restart your Mac from the Start menu in Windows. Press and hold the Option (or Alt) ⌥ key as your Mac. MSPs must be well-versed in Windows and Mac support to give clients the service they need when issues arise on either type of operating system. For Macs in particular, MSPs should familiarize themselves with the support required to handle Mac boot options. Take a look at our step-by-step guide to booting a Mac from a USB below.

It is packed with modern UI and the steps are very step to follow. After several mouse clicks and wait a couple of minutes, a bootable macOS USB is ready for OS installation or system repair. You won't find any other applications on Windows that is better than UUByte DMG Editor!

Step 1: Download UUByte DMG Editor setup.exe from this website and follow the prompt to install the software on a Windows PC. Currently, it works well on Windows 10, Windows 8 and Windows 7.

Step 2: After installation, UUByte DMG Editor will be opened automatically. And you will see three options on the main screen. At this time, click 'Burn' tab And you will be lead to a new window.

Step 3: Insert an USB drive to Windows PC and the name will show up at the right side of USB icon. If the drive name was wrong, you can click 'Change' button to pick up the right device. Next, click 'Browse' button to add the .dmg file into the program.

Step 4: When the dmg file is loaded from local hard drive, click 'Burn' button to start burning dmg to USB drive. This process will be finished in less than 10 minutes and you have to wait before you can do anything with the device.

You will be notified when the burning task is completed. Now follow the link listed on the screen to start installing macOS from USB drive

Mac .

Convert DMG to ISO and Create macOS Boot USB from Windows

Since ISO is a better format for Windows, you can also convert the DMG to the ISO format and then use the ISO disk image to create the bootable USB. Please note that you can't boot your Mac from bootable USB made from an ISO file, which means you'll have to convert it back to DMG prior to that. Still, it's an effective way to create bootable media for a Mac computer. Here's how it works:

Step 1: Once you have the macOS install DMG file on a Windows PC, click on Windows + R to open the run dialog box, and type in CMD, then hit Enter. When the Command Prompt opens up, use the following command to convert the file to ISO:
hdiutil convert /path/sourceimagefile.dmg -format UDTO -o /path/targetmage.iso

Step 2: Download and install UUByte ISO Editor on your PC, insert the USB drive and launch the application.


Safe Boot Mac Os X

Step 3: Click Burn button on the main screen and point to the converted ISO file. The drive will be automatically detected and click on Burn icon to burn the ISO to the USB drive.

Once the ISO is burned to the file, you can insert it into a Mac and convert it back into the DMG format. Since you're converting the file twice, there's a chance that the file could get corrupted in the process. If that happens repeatedly, then try this next method.

PowerISO: Make Bootable Mac Install USB on Windows 10/8/7

This Windows utility allows you do create bootable USB from DMG on a PC. You can also edit the DMG or extract the contents, and there's also an option to copy it to a disk. For this particular exercise, we'll show you how to use PowerISO to create a bootable USB drive on Windows without having to convert the disk image into another format like ISO.

Step 1: Download and install the application on your PC.


Step 2: Insert your USB drive and launch PowerISO.

Step 3: In the Tools menu, select 'Create Bootable USB Drive… '. You will need to give admin privileges to the software. Alternatively, you can run the program as admin when you launch it.

Step 4: Select the USB drive in the section called Destination USB Drive.

Step 5: Leave all other default as they are and click on 'Start' to burn DMG to the USB drive.

You should be able to see the progress, and a new popup will appear when the bootable media is ready. You can now eject the media and use it to run the DMG on a Mac computer.


All of these methods are workable, so select the right one for you based on your level of knowledge and your preference.


  • 1 Dual-Booting Mac OS X and Windows Vista/7/8

Dual-Booting Mac OS X and Windows Vista/7/8

Adding a pre-existing OS X installation to the Windows Vista+ bootloader is a very easy and straightforward process with EasyBCD. There are two ways to get OS X and Windows Vista, Windows 7, or Windows 8 working together with the BCD/bootmgr bootloader, depending on the order of installation.

Windows Before OS X

This section covers booting Windows Vista and OS X together via the Windows bootloader assuming that you installed Vista first and now want to install OS X.

NeoSmart Technologies does not provide any instructions whatsoever on getting OS X installed. EasyBCD onlyboots intoOS X, nothing more, nothing less.

Boot Mac Os X
  1. Install OS X to a primary partition on your PC. Assuming you have the legitimate Dev Preview kit with the official OS X x86 DVD, just stick it in the drive and follow the on-screen prompts.
  2. Once OS X has finished installing, the Darwin bootloader should load up OS X for the first time. It should give you an “Other” option to boot into Windows Vista.
  3. Select “Other” and start Windows Vista.
  4. Fire-up EasyBCD, and go to the “Bootloader Management” screen.
  5. Follow the instructions here to re-install the Vista bootloader.
  6. Read the next section for info on how to add OS X to the Vista bootloader.

OS X Before Windows

The most common setup for users looking to get OS running on their PCs involves a pre-existing OS X installation followed by a Windows Vista install. In this case, the computer boots into the Windows Vista bootloader, and does not have an option to boot into OS X.

  1. Fire-up EasyBCD, and navigate to the “Add/Remove Entries” screen.
  2. Select “Mac OS X” from the tabs at the top.
  3. From the platform drop-down list, select “Generic x86 Hardware”
  4. If you wish to change the name from the default “NST Mac OS X,” you may do so now.
  5. Select “Auto-configure Mac Settings” and then hit “Add Entry” to finish up.

You can now reboot your PC, and select “NST Mac OS X” (or whatever you chose to call it) from the Vista bootloader. OS X should begin to boot immediately.

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  1. Can you help me install OS X?
  2. The screen turns black and a few seconds later I’m at the Vista boot menu once again.
    Press F8 once during the black-screen period. The Mac OS X menu should pop-up and give you the option of booting into OS X.
  3. I get a “HFS+ Partition Error” when I select OS X from the Vista bootloader… HELP!
    EasyBCD 1.6 has a new feature in the Diagnostics Center for dealing with this particularly nasty bug. Fortunately, EasyBCD makes it really easy to deal with it: just select the “HFS+ Partition Error” repair button, select your OS X drive and partition numbers from the list (drives start counting from 0, partitions start at 1), and hit the repair button!

External Links

Boot Mac Os X In Safe Mode

  • dilnalomo’s Vista & OS X dual-boot guides one and two.
  • The Fool-Proof Vista & XP / Mac OS X Dual-Boot Guide on IM.