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[Editor's note: This article is part of our. Visual studio for mac how to add a class. We also have a.] Unlike previous versions of Mac OS X, Lion (OS X 10.7) doesn’t ship on a bootable disc—it’s available only as an installer app downloadable from the Mac App Store, and that installer doesn’t require a bootable installation disc. 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. For example, if you want to on multiple Macs, a bootable installer drive can be more convenient than downloading or copying the entire Lion installer to each computer. Also, if your Mac is experiencing problems, a bootable installer drive makes a handy emergency disk.
(Lion features a new (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. 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 (assuming you have the license to do so). 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. 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. So if you create a bootable Lion-installer drive using the current version of the Lion installer—which, as of 2/10/2012, installs OS X 10.7.3—that drive will work with all current Lion-capable Macs. If your only Mac was released after Lion, so you can't download the Lion installer from the Mac App Store, I've also Part 1: For all types of media • Once you’ve purchased Lion, find the Lion installer on your Mac.
A bootable USB installer is a handy tool for fresh installs of macOS Mojave 10.14. Written tutorial: https://wp.me. How to create bootable USB drive of Mac OS in windows PC Viru PRO. How to Create a Mac OS X USB Boot Drive on Windows. EASY WAY HOW TO CREATE INSTALLER BOOT MAC OS X DVD DISK OR USB.
It’s called Install Mac OS X Lion.app and it should have been downloaded to /Applications. • Right-click (or Control+click) the installer, and choose Show Package Contents from the resulting contextual menu. • In the folder that appears, open Contents, then open Shared Support; you’ll see a disk-image file called InstallESD.dmg. • Launch Disk Utility (in /Applications/Utilities). • Drag the InstallESD.dmg disk image into Disk Utility’s left-hand sidebar. Right-click (or Control+click) on the Lion installer to view its contents. The next steps depend on whether you want to create a bootable hard drive or flash drive, or a bootable DVD.
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 • In Disk Utility, select InstallESD.dmg in the sidebar, and then click the Open button in the toolbar. This mounts the disk image’s volume in the Finder. The mounted volume is called Mac OS X Install ESD.
• Click Mac OS X Install ESD in Disk Utility’s sidebar, then click the Restore button in the main part of the window. • Drag the Mac OS X Install ESD icon into the Source field on the right (if it isn’t already there). • Connect to your Mac the hard drive or flash drive you want to use for your bootable Lion installer. 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. Follow to properly format the drive. • In 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. Warning: The next step will erase the destination drive or partition, so make sure it doesn’t contain any valuable data.
• Click Restore and, if prompted, enter an admin-level username and password. 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. 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. Part 2b: To create a bootable DVD • In Disk Utility, select InstallESD.dmg in the sidebar • Click the Burn button in the toolbar.