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1. Burn osx dmg to usb how to#
2. Burn osx dmg to usb for mac#
3. Burn osx dmg to usb mac os x#
4. Burn osx dmg to usb install#

Burn osx dmg to usb install#

Now, download and install TransMac version 12 (15-day trial) for Windows 10 from this link.Install the free Windows application 7-ZIP ( download) to extract and locate InstallESD.DMG, which includes all files to form a bootable macOS DVD.You could also find a copy from the Internet. In the video we use OS X 10.8 Mountain Lion downloaded from the Mac app store.( Check below for macOS High Sierra and Catalina) However, the procedure is somewhat the same if you download a compatible macOS High sierra or Catalina in DMG format for creating a USB disk on a PC. Here we use an old version of Mac OS, Mountain Lion, to make a bootable macOS DVD.

Burn osx dmg to usb mac os x#

Let’s start with the process of burning a Mac OS X installer in DMG format (InstallESD.DMG) to a DVD in Windows environment. Steps to burn DMG file to a bootable macOS DVD in Windows Eventually, I restored my iMac to OS X 10.8 using the same DVD as macOS installation disc. Later, I found a way to burn macOS DMG file to a bootable DVD on my Windows laptop. The only option left for me was buying an OS X Lion Installer disc as the Internet Recovery required a lot of bandwidth and time. I accidentally formatted the hard disk of my iMac and lost the recovery partition in the process. My first experience with burning a DMG file to DVD was actually on Windows, back in 2013, when Mountain Lion was the operating system. A macOS installation package with DMG extension enables creating bootable installer DVDs. Therefore, it is possible to mount a DMG file on a virtual disk or write it to a DVD and access its contents.

Burn osx dmg to usb for mac#

Don’t need to spend time and bandwidth to re-download OS X Lion.DMG is a disk image format for Mac just like an ISO file in Windows. Though a recovery partition will be created when you install OS X Lion, a installation DVD or thunmb drive is good to have for “clean install” or new hard drive.

Then you can boot into DVD or flash drive there. To use the OS X Lion DVD and USB flash drive, you press and hold “Option” key when you hear Mac startup chime at start up.

Burn osx dmg to usb how to#

How to boot into OS X Lion installer DVD or USB thumb drive Click “Restore” button to create your bootable OS X Lion thumb drive.After done formatting, click on the “Restore” tab, and choose the “InstallESD.dmg” file as “Source:” and your flash drive as the “Destination:”.Click “Apply” button to format your thumb drive (all data on the thumb drive will be erased).Click “Options…” button under the partition table and choose “GUID Partition Table”, so that the thumb drive is bootable.Under “Partition Information”, choose “Mac OS Extended (Journaled)” for “Format:”.Goto “Partition” tab and select “1 Partition” from the “Partition Layout” dropdown menu.Plug in your thumb drive and select it in the left-hand sidebar in Disk Utility.

It takes more steps to make an OS X Lion thumb drive: Make offline OS X Lion installer flash drive