MAKING DMG MAC OS X
Use this guide to convert the Lion dmg into an isoĬhoose OS as Mac OS X and click on 64bit or 32 bit (depending on your system) Snow Leopard I know this works with Snow Leopard, but I'm not sure about booting Lion in Virtualbox. You can boot into your DVD or flash drive from there. Reboot into OS X and hold the option key when you hear the startup chime. Hit the Apply button and it will create your bootable USB drive. Hit the Apply button when you're done to format your drive (note: it will erase everything on the drive).Ĭlick on the "Restore" tab, choose the InstallESD.dmg file as the source and your flash drive as the destination. You'll need this to make the drive bootable on a Mac. Hit the Options button under the partition table and choose "GUID Partition Table". Choose "Mac OS Extended (Journaled) on the left. Go to the Partition tab and select "1 Partition" from the dropdown menu. If you want to burn Lion to a USB flash drive, plug it in and click on it in the left-hand sidebar in Disk Utility. If you're burning it to a DVD, insert your DVD, select the disk image in the sidebar, and hit the "Burn" button. Open up Disk Utility and drag the DMG file into the left-hand sidebar. Navigate to Contents > SharedSupport and look for a file called "InstallESD.dmg". Right-click on the installer and hit "Show Package Contents". The installer should show up in your Applications folder. On a Macĭownload Lion from the Mac App Store. However, the other option is to use a Virtualbox VM to run OS X temporarily (scroll down for that info). Be patient.As far as I know, the only way to properly create a bootable Lion disc/disk is to use Disk Utility on a working Mac. Wait for the return of the Terminal prompt signifying the process has completed. You will be asked for your admin password. Sudo /Applications/Install\ OS\ X\ Mavericks.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install\ OS\ X\ Mavericks.app
Sudo /Applications/Install\ OS\ X\ Yosemite.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install\ OS\ X\ Yosemite.app Sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app
Sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install\ macOS\ Sierra.app Sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume -applicationpath /Applications/Install\ macOS\ High\ Sierra.app Paste that entire command line from below at the Terminal's prompt: Choose the appropriate command line (in red) depending upon what OS X installer you want. Open the Terminal in the Utilities' folder. Click on the Apply button and wait for the Done button to activate.Set the Format type to Mac OS Extended (Journaled.) In the drop down panel set the partition scheme to GUID.Click on the Erase tab in the Disk Utility toolbar.After Disk Utility loads select the drive (out-dented entry with the mfg.'s ID and size) from the side list.Open Disk Utility in the Utilities' folder.You will need an 8GB or larger USB flash drive that has been partitioned and formatted for use with OS X. Simply replace the Terminal command with the one from the preceding article by copying it into the Terminal window.
MAKING DMG HOW TO
Second, see this How To outline for creating a bootable El Capitan installer. Bootable USB Installers for OS X Mavericks, Yosemite, El Capitan, and Sierraįirst, review this introductory article: Create a bootable installer for macOS.
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