It couldn’t be easier to burn a bootable DVD on Mac.For example, if you want to install Lion on multiple Macs, a bootable installer drive can be more convenient than downloading or copying the entire Lion installer to each computer. Now input a blank DVD disk into your Mac drive, launch Disk Utility (/Applications/Utilities/), select the InstallESD.DMG file, and click on Burn, that’s all. Indeed, this lack of physical media is perhaps the biggest complaint about Lion’s App Store-only distribution, as there are a good number of reasons you might want a bootable Lion installer, whether it be a DVD, a thumb drive, or an external hard drive.Copy InstallESD.dmg to your Mac OS X Desktop, this is the Lion disk image and what you’re going to create the bootable DVD from.If your only Mac was released after Lion, so you can’t download the Lion installer from the Mac App Store, I’ve also provided instructions for creating a bootable Lion-install drive for newer Macs. So if you create a bootable Lion-installer drive using the current version of the Lion installer—which, as of , installs OS X 10.7.3—that drive will work with all current Lion-capable Macs. However, unlike with the CD- and DVD-based Mac OS X installers of old, Apple can—and does—update the Mac App Store version of the Lion installer. You need to create USB installation media from bootable ISOs (Windows, Linux.Thankfully, it’s easy to create a bootable Lion-install volume from the Lion installer that you download from the Mac App Store just follow the steps below.Update: When this article was originally published, the Mac App Store version of Lion would not boot any Macs released in mid-2011 or later, as those models shipped with a newer version of Lion preinstalled. Also, if you need to reinstall Lion, recovery mode requires you to download the entire 4GB Lion installer again.) Finally, a bootable installer drive makes it easier to install Lion over Leopard (assuming you have the license to do so).Rufus is a utility that helps format and create bootable USB flash drives. (Lion features a new recovery mode (also called Lion Recovery), but not all installations of Lion get it—and if your Mac’s drive is itself having trouble, recovery mode may not even be available.Launch Disk Utility (in /Applications/Utilities). In the folder that appears, open Contents, then open Shared Support you’ll see a disk-image file called InstallESD.dmg. Right-click (or Control+click) the installer, and choose Show Package Contents from the resulting contextual menu. It’s called Install Mac OS X Lion.app and it should have been downloaded to /Applications.Drag the Mac OS X Install ESD icon into the Source field on the right (if it isn’t already there). Click Mac OS X Install ESD in Disk Utility’s sidebar, then click the Restore button in the main part of the window. The mounted volume is called Mac OS X Install ESD. This mounts the disk image’s volume in the Finder. In Disk Utility, select InstallESD.dmg in the sidebar, and then click the Open button in the toolbar. I recommend a hard drive or flash drive—a DVD will work, but it takes a long time to boot and install.To create a bootable hard drive or flash drive
![]() Bootable Dvd Burner Install Lion OnIn Disk Utility, find this destination drive in the sidebar and then drag it into the Destination field on the right if the destination drive has multiple partitions, just drag the partition you want to use as your bootable installer volume. Follow Steps 1 through 4 in this slideshow to properly format the drive. This drive must be at least 5GB in size (an 8GB flash drive works well), and it must be formatted with a GUID Partition Table. Outlook for mac 2016 freeIf you don’t, you’ll have to re-download the entire thing from the Mac App Store.If you’ve already installed Lion—so it’s too late to move the installer—you’ve may find that the Mac App Store claims that Lion is already installed and prevents you from downloading it again. So if you plan to use that installer on other Macs, or to create a bootable disc or drive as explained here, be sure to copy the installer to another drive—or at least move it out of the Applications folder—before you install. You can also use any of the Lion installer’s special recovery and restore features—in fact, when you boot from this drive or DVD, you’ll see the same Mac OS X Utilities screen you get when you boot into restore mode.Note: As explained in our main Lion-installation article, if you leave the Lion installer in its default location (in /Applications) and use it to install Lion on your Mac’s startup drive, the installer will be automatically deleted after the installation finishes. However, with the 10.7.4 installer, you must use the mounted Mac OS X Install ESD volume or you will get an error at the end of the restore procedure and the newly created bootable drive may not function properly.You can use Disk Utility’s Restore screen to create a bootable flash drive or hard drive.In Disk Utility, select InstallESD.dmg in the sidebarWhen prompted, insert a blank DVD (a single-layer disc should work, although you can use a dual-layer disc instead), choose your burn options, and click Burn.You can now boot any Lion-compatible Mac from this drive or DVD and install Lion. The restore procedure will take anywhere from five to 15 minutes, depending on your Mac and the speed of your drive.Note: In versions of the Lion installer prior to 10.7.4, you didn’t need to first mount the InstallESD.dmg image—you could simply drag the image itself into the Source field. Click Restore and, if prompted, enter an admin-level username and password. ![]()
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