How To Burn A Dmg File To A Bootable Dvd

DMG is a disc image format for Mac like ISO files in Windows. Thus, it is possible to mount a DMG file on a virtual disc or burn it to a DVD and access its contents. The macOS installation package has a DMG extension that allows you to create a bootable installer DVD. My first experience with burning DMG files to DVD was actually on Windows, back in 2013, when Mountain Lion was the operating system. I accidentally formatted my iMac’s hard disk and lost the recovery partition in the process. The only option left for me is to buy an OS X Lion Installer disc because Internet Recovery requires a lot of bandwidth and time. Then I figured out how to burn a macOS DMG file to a bootable DVD on my Windows laptop. I ended up restoring my iMac to OS X 10.8 using the same DVD as the macOS install disc.

Steps to burn a DMG file to a bootable macOS DVD in Windows

Contents

Let’s start with burning the Mac OS X installer in DMG (InstallESD.DMG) format to a DVD in a Windows environment. Here, we use the old version of Mac OS, Mountain Lion, to create a bootable macOS DVD. However, the process is somewhat similar if you download compatible macOS High sierra or Catalina in DMG format to create a USB disk on your PC. Read: how to write a dmg file to a bootable dvd

  • Download the macOS Installer in DMG format. (Check below for macOS High Sierra and Catalina)
  • In the video, we use OS X 10.8 Mountain Lion downloaded from the Mac app store. You can also find a copy from the Internet.
  • Install the free Windows application 7-ZIP (Download) to extract and locate topqa.info, including all the files to form a bootable macOS DVD.
  • Now download and install TransMac version 12 (15 days trial) for Windows 10 from this link.
  • Run the Transmac application as administrator, by right-clicking its icon.
  • Click the File tab at the top and select the “Open Disk Image” option to load the macOS installer DMG file into the software.
  • Find the loaded DMG file on the left side, right click on it and choose burn it to DVD.
  • After you burn the topqa.info file to DVD on Windows, load it onto your Mac and start it up.
  • Press the Option key and select the DVD listed as your installation source.
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The macOS High Sierra and Catalina DMG files are about 5.8 GB and 8 GB respectively. For this file size, you need a double-layer DVD (8.5 GB). Alternatively, if your Mac doesn’t have a DVD drive, you might consider creating a USB macOS in Windows.burn macOS Install DMG to Windows DVD

Create macOS installation DVD in Windows PC from DMG/ISO image

Apple changed the file architecture of the macOS installer from OS X Mavericks 10.9. Therefore, you cannot follow the technique given above to directly extract topqa.info in Windows and turn it into a bootable DVD in newer macOS variants like Catalina and High Sierra. Topqa.info or topqa.info can be located from the ‘Shared Support’ folder inside the macOS installation package ending with the .APP extension, but you still cannot boot it to a USB or DVD. The solution to this is to create a DMG file in the Mac itself from the official macOS installer. However, most of the people looking for methods of burning macOS DVD discs on Windows do not have a Mac in a working state. We have converted macOS Catalina, Mojave, and High Sierra apps to DMG format for such users.Download macOS Offline Installer [DMG and APP]This upload is stored on OneDrive for quick and easy downloads. While Mojave is the latest macOS release, it’s not compatible with older iMacs and MacBook Pros. Therefore, we also offer High Sierra in DMG format for those who want it. For personal use on your Mac only. We will set an expiration date for the download link to prevent washout and hotlinking.

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Convert downloaded macOS Mojave or High Sierra DMG to ISO or IMG

You may want macOS in ISO or IMG format if Transmac is not working as expected to create DVD Setup from DMG. It is also useful to run MacOS on Virtualbox.Download DMG to IMG 1.6.7. Withdraw the tool to the folder where you have the macOS Mojave or High Sierra DMG installer. Then right click and open the DMG file and point to the DMG2IMG program. The conversation starts immediately, showing progress in the command line interface.Convert DMG to ISO- IMG WindowsRead more: How to beat cynthias garchompWindows 10 natively supports mounting or writing files with ISO and IMG extensions. Therefore, IMG is just enough for the purpose if burning DMG to DVD in Windows PC is the only requirement. To do this, right click on the IMG file and select the option “bun to DVD disk” and follow the instructions. We also have an article on how to convert macOS to ISO on Mac and Windows.

Alternative options to burn DMG in Windows 10 without DVD drive.

If you have an old iMac or MacBook Pro with a DVD slot, you can use the above method to restore macOS through a bootable DVD installer created from a DMG source. However, as you know, none of the new Macs come with an optical drive. Take a look at a few alternatives.

  • Format USB drive to GPT partition scheme in Windows. Next, restore macOS Mojave or High Sierra DMG using Transmac.
  • Get a portable DVD writer to boot into the macOS installer.
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External hard disks also work well for this requirement provided the file system is in HFS+ format with GUID partitioning scheme.

Burn DMG to DVD in macOS Catalina 10.15

Looking to burn Catalina or High Sierra DMG Installer on your Mac? This is the most common and simplest method to burn files with the DMG extension to DVD on macOS.burn dmg to dvd macos high sierraRight click on the DMG file. Now, as shown in the screenshot, select the option “Burn Disk Image to Disk.” Then select the required options. Keep the write speed as low as possible to avoid write errors, although there’s very little chance of it happening. Read more: how to make roof ladder hook | Top Q&A

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