1. How To Make Bootable Mac Os Usb
2. Make Bootable Usb From Dmg

A Mac machine needs to be reformatted with Lion. I backed up the Lion dmg file when I purchased it via the Mac App Store. I now need to create a bootable USB drive from the DMG file but I need to be able to do it in Windows, preferring open source or at least free options. How can I do this? Hey Fellows, I am new in this forum. Since I have tried several times to download and upgrade my os x with app store, but failed (slow internet) so I have downloaded installedESD.dmg file from some site. Can anyone tell me how I can make bootable dvd (recommended) or usb with this file, sorry I a. Apple's latest update to Mac OS X, 10.11 El Capitan, is currently available in the Mac App Store for everyone to download and install at no cost. The new OS features Split View mode for better multitasking, a cleaner Mission Control, smarter Spotlight, a way to mute Safari tabs playing audio, enhanced Mail and Notes apps, and more.

Are you trying to make a bootable installer? Do you have the El Capitan installer downloaded from the App Store? You cannot make a bootable DVD but you can make a bootable flash drive.

Create Bootable USB Installer for Mac OSX Using TransMac. To create bootable USB installer for Mac in order to Install Mac OS X El Capitan on Windows, on Mac or on VirtualBox, you have to create bootable USB flash drive. Let’s get started that how to do it. First, you have to download TransMac software for Windows. Disk Utility to Create a Bootable macOS/OS X Installer; Use 'createinstallmedia' Command in Terminal. The most recommendable way to create a bootable install USB drive for Mac OS is using 'createinstallmedia' Command with Terminal application. Step 1: Download macOS or OS X. The first thing to do is to download the Mac operating system that you need.

Bootable USB Installers for OS X Mavericks, Yosemite, El Capitan, and Sierra

First, review this introductory article: Create a bootable installer for macOS. Second, see this How To outline for creating a bootable El Capitan installer. Simply replace the Terminal command with the one from the preceding article by copying it into the Terminal window. You will need an 8GB or larger USB flash drive that has been partitioned and formatted for use with OS X.

Drive Partition and Format

How To Make Bootable Mac Os Usb

1. Open Disk Utility in the Utilities' folder.
2. After Disk Utility loads select the drive (out-dented entry with the mfg.'s ID and size) from the side list.
3. Click on the Erase tab in the Disk Utility toolbar. Name the drive, 'MyVolume'. <---- IMPORTANT!
4. In the drop down panel set the partition scheme to GUID. Set the Format type to Mac OS Extended (Journaled.)
5. Click on the Apply button and wait for the Done button to activate. When it does click on it.
6. Quit Disk Utility.

Create Installer

Open the Terminal in the Utilities' folder. Choose the appropriate command line (in red) depending upon what OS X installer you want. Paste that entire command line from below at the Terminal's prompt:

Command for macOS High Sierra:

sudo /Applications/Install macOS High Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install macOS High Sierra.app

Command for macOS Sierra:

sudo /Applications/Install macOS Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install macOS Sierra.app

Command for El Capitan:

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sudo /Applications/Install OS X El Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install OS X El Capitan.app

Command for Yosemite:

sudo /Applications/Install OS X Yosemite.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install OS X Yosemite.app

Command for Mavericks:

sudo /Applications/Install OS X Mavericks.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume --applicationpath /Applications/Install OS X Mavericks.app

Press RETURN. You will be asked for your admin password. It will not echo to the Terminal window. Then press RETURN again. Wait for the return of the Terminal prompt signifying the process has completed. It takes quite some time to finish. Be patient.

Make Bootable Usb From Dmg

Mar 3, 2018 7:47 PM