Next, select the Disk Utility option. Click on the Download button, and your Mac will download the installer to your Applications folder. Keep this Finder window open, because we'll be making use of it in subsequent steps. Then just follow the rest of the prompts to start the disk-making process. While thoughtful, if working with multiple partitions, each will have the same name making them indistinguishable from the others.
. Click restart button again to confirm you want to restart the computer. It scans your hard drive for old caches, broken apps, and app leftovers so you can remove all unwanted files in a minute or two. Restart your Mac while holding the Option key or Cmd+R. Let's for example structure the disk so you have one big partition.
Apple uses its App Store to distribute its software, like new Mac operating systems. If this still sounds useful to you, though, read on. Ever wish you could take your Mac with you on an external drive? If you are using my pre edited config. Make sure to keep it pressed down! Then, Terminal will copy the installer file to your disk. It will mount back up when it's done. That way you can restore your system from the Recovery partition if something goes wrong.
This should keep everything from your current system all applications, all your preferences, email, etc. To get started, click the Disk Utility option. Disk Utility checks and repairs the disk. Then, click the Erase button. Once copied close all Finder windows with command-w so you're at the desktop and eject the disk image by first highlighting it with just arrow keys and press command-e for eject. If it doesn't work, try one of the other methods out to start over. Click Erase Note: this will erase all your data from your main drive! This will take a few minutes.
You can quit Terminal and your drive is ready for use. Some users may find it useful to make a note of the contents of their Applications folder for later reference. Once your Mac restarts, it will take about 15 more minutes to finish, and will then boot automatically from the new device. Select Erase from the confirmation box, if prompted to do so. Press down-right arrows to interact; down-left arrows to stop interacting.
After pasting the command on the Terminal, hit Enter key. You should have already downloaded the installer from the Mac App Store. But you can give it try! At the preparing to install screen, when it says about a second remaining and it's at 99. Make sure you have no important data there because we gonna format it and will delete all your data and will be impossible to restore it bac k. Do not proceed since the file will be erased upon the reboot.
Type your administrator password and press Return. You are thinking of Bootcamp which Apple provides which is totally different. I am not responsible for any damage caused by following this tutorial. You could clean it up manually, but using a cleaning app like will save you hours on that. After downloading the latest supported operating system from the Mac App Store the installer opens automatically. Otherwise, enjoy your now-fresh Mac! I couldn't find anything like that with the Leopard disk; there is no Utilities section under the Optional Installs, and the Applications section doesn't have a Utilities sub-folder.
Recovery uses a local partition on your disk, whereas Internet Recovery loads an environment on-demand. And don't worry, we'll be undoing this at the end of this guide. You are also invited to make a donation to the developers which is in fact the default button so pressing return will open your browser allowing you to make such a donation. Note The current option allows you to manage the partitions on the disk without losing data. Upgrade + erase and new installation is typically going to take longer than just erase and restore from installer, in addition to putting a lot of unnecessary wear from upgrading first before doing a fresh install on the flash storage that most of us have. Therefore, make sure there is nothing important on your flash drive before you continue with the following steps. Only a couple things left to copy over.