If you plan to use that installer on other Macs, or—in this case—to create a bootable drive, be sure to copy the installer to another drive, or at least move it out of the Applications folder, before you install. The formatting process with the BaseSystem image makes this all possible. It should take less than a minute to copy over. You can find the Yosemite installer ; download the entire folder. And, of course, make sure that you read the instructions carefully before starting.
You should be able to triple-click the command line below to select the entire command. Now, I only could access my restore partition of my MacBook Air. Make sure you take off any important documents. Restart your computer while holding the Option Alt key on your keyboard. Here are the steps for using it to create your installer drive. Additionally, Disk Utility will request administrative authorization to perform the task.
The Easiest Way: Use DiskMaker X By far the easiest way to create a bootable drive is to use the DiskMaker X application, which automates the entire process in the next method. You will also need to download the installer app from the Mac App store. I really do appreciate your updates. . When I turn it on, I get the screen to install Yosemite. The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, except with the prior written permission of Condé Nast.
Learn to master all your tech and gadgets! As soon as the start-up chime plays, press the Option key Alt. Paste the copied command into Terminal and press Return. Click Restore, and then click Erase in the dialog box that appears; if prompted, enter an admin-level username and password. Delete the Packages alias by right-clicking the file and selecting Move to Trash from the context menu Figure M. In the past, I've always shown you the manual method, which uses the Finder, Disk Utility, and Terminal. Ars may earn compensation on sales from links on this site.
Enter the password and press return or enter. 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. And, this does not require downloading any third-party tools or paying for extra utilities. This Terminal command, called createinstallmedia, can create a bootable copy of the installer using any drive connected to your Mac. No need for lengthy process of hiding.
Navigate to the System Installation directory where you will find an alias to the Packages folder. I don't think you can. Although this method involves more steps, it's easier for many Mac users because the majority of the process uses familiar tools. Open up Disk Utility and do the following. Enter your admin-level account password when prompted. Or maybe you need a recovery disk for older Macs that don't support the Internet Recovery feature. Right-click or Control+click the Yosemite installer to view its contents.
This process can take upwards of 30 minutes or more without any indication on the screen it is still processing. Boot up into Yosemite to play, experiment and test, then go back to the stable, shipping Mavericks for your production work. Once it is complete, quit Disk Utility. Cover image via Related Woah! This means that if you moved it before installing Yosemite, you need to move it back before making your installer disk. It could take one or two hours to complete the process depending on your computer and other variables. If it doesn't work, try one of the other methods out to start over.
Once downloaded the installer will run automatically. While optional, it is generally not considered a good security measure to keep these files unhidden. Once the restoring disk image process is finished you will see a folder like this. Lets see what are those. Continuing the naming trend, was made available the same day as the in the form of a Developer Preview beta for software developers to test their apps on the new platform.
Here is what you need. But is there a way to tweak it to create a totally clean install, removing previous user s? Just eject the new drive and use it. If so, good to go. The More User-Friendly Third-Party Tool is the more user-friendly tool for the job. Thanks for the solution, tywebb13! The sudo command will request a password and you must have adminisrator privileges to create. To start out, download the newest version of DiskMaker X from. Step 6: Wait for a couple of minutes to let DiskMaker X complete its job.