(If you have any data on the flash drive, remember to create a back it. Connect the USB flash drive. Quick note: This is a paid software, but it gives you a 15-day trial, which is more than enough time. Download and install TransMac on Windows 10. Create macOS bootable USB installation media.If you want to erase the drive on a Mac before installing Yosemite, or start over at any time, you can use a dedicated installer drive to boot that Mac, erase its drive, and then install the OS clean and restore whatever data you need from a backup. (Make sure the usb is partitioned as mac bootable then use use the image recovery and put your mounted OS X iso into the source and your usb as the location.) restart your computer while holding down the option keyI recommend making one for Yosemite, on an external hard drive or USB thumb drive, for many of the same reasons I recommend making a bootable Mavericks installer drive: If you want to install Yosemite on multiple Macs, using a bootable installer drive can be more convenient than downloading or copying the entire installer to each computer. In order to create a bootable USB of OS X Yosemite, you need to first download the Mac OS X Yosemite from the App Store.format your usb stick with the disk utility tool. The explanation for Linux and Windows also applies to OS X, so it is not worth mentioning anything beyond.Just like Windows users, Mac users can create a bootable USB right from the Terminal but those who aren’t familiar with the Terminal can use a free app called DiskMaker X to prepare the bootable USB. Modern, downloadable versions of OS X create a recovery partition on your drive, but it’s always a smart idea to make your own bootable installer drive too.As we said before, UNetbootin also available for Mac.
Create Bootable Usb In Windows Install TransMac On![]() ![]() Select the text of this Terminal command and copy it:Sudo /Applications/Install OS X Yosemite.app/Contents/Resources/createinstallmedia -volume /Volumes/Untitled -applicationpath /Applications/Install OS X Yosemite.app -nointeraction This means that if you moved it before installing Yosemite, you need to move it back before making your installer disk. (The Terminal command used here assumes the drive is named Untitled.) Also, make sure the Yosemite installer, called Install OS X Yosemite.app, is in its default location in your main Applications folder (/Applications). Connect to your Mac a properly formatted 8GB (or larger) drive, and rename the drive Untitled. The program then tells you it’s copying the installer files, making the disk bootable, and copying boot files. The Terminal window displays the progress of the process, in a very Terminal sort of way, by displaying a textual representation of a progress bar: Erasing Disk: 0%… 10 percent…20 percent… and so on. Type your admin-level account password when prompted, and then press Return. Paste the copied command into Terminal and press Return. Warning: This step will erase the destination drive or partition, so make sure that it doesn’t contain any valuable data. Once you’ve downloaded Yosemite, find the installer on your Mac. The procedure is a bit more involved with Yosemite than it was for Mavericks (which was itself a bit more involved than under Mountain Lion and Lion).Right-click (or Control+click) the Yosemite installer to view its contents. Here are the steps for using it to create your installer drive. Option 2: Use Disk UtilityYou’ll find Disk Utility, a handy app that ships with OS X, in /Applications/Utilities. If you like, you can rename the drive from its default name of Install OS X Yosemite, though I think it’s kind of a catchy name. (see the screenshot above), which could take as long as 20 or 30 minutes, depending on how fast your Mac can copy data to your destination drive.You now have a bootable Yosemite install drive. That volume will appear in the Finder as OS X Install ESD open it to view its contents. Double-click InstallESD.dmg in the Finder to mount its volume. 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. ![]() Warning: This step will erase the destination drive or partition, so make sure that it doesn’t contain any valuable data. (If the destination drive has additional partitions, just drag the partition you want to use as your bootable installer volume.) Drag the latter—the one with the drive name—into the Destination field on the right. You may see a couple partitions under the drive: one named EFI and another with the name you see for the drive in the Finder. You’ll see an alias called Packages. Inside that drive, open the System folder, and then open the Installation folder. Open the destination drive—the one you’re using for your bootable installer drive, which has been renamed OS X Base System. Wait for the restore procedure to finish, which should take just a few minutes. Copy these files to the root (top) level of your install drive (OS X Base System, not into the System or Installation folder). Also in the mounted OS X Install ESD volume, you’ll find files named BaseSystem.chunklist and BaseSystem.dmg. (You’re replacing the deleted Packages alias with this Packages folder.) The folder is about 4.6GB in size, so the copy will take a bit of time, especially if you’re copying to a slow thumb drive. Drag that folder into the Installation folder on your destination drive. Option 3: Use TerminalIf you’re a Terminal jockey, you likely know that most of Disk Utility’s features can be accessed using shell commands—which means that you can perform the Disk Utility procedure using a few commands in Terminal. If you like, you can rename the drive from OS X Base System to something more descriptive, such as Yosemite Installer.You can use Disk Utility’s Restore screen to create a bootable Yosemite installer drive. Open the Terminal app, type (or copy and paste) the following command, and then press Return:Defaults write com.apple.finder AppleShowAllFiles 0 & killall FinderYou now have a bootable Yosemite install drive. (The Terminal commands I provide here assume the drive is named Untitled.) Rename the drive to Untitled. Connect to your Mac a properly formatted 8GB (or larger) drive. Go daddy office 365 sharepoint for macEnter your admin-level account password when prompted.Sudo hdiutil attach /Applications/Install OS X Yosemite.app/Contents/SharedSupport/InstallESD.dmg sudo asr restore -source /Volumes/OS X Install ESD/BaseSystem.dmg -target /Volumes/Untitled -erase -format HFS+(During this step, you’ll be prompted to confirm that you want to erase the contents of Untitled. Make sure each command finishes—in other words, you see a command prompt—before running the next command.
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