Unfortunately in Mac the process can be a little more complicated and less well known. Here are couple of reasons we can think of: One, your existing Mac OS X inherited documents, files and applications that take up a lot of unnecessary storage space. To optimize your Mac, it is quite necessary to reinstall and start from a clean slate.
Two, you are thinking about trading or gifting your machine to someone else, but you are concerned with the remnants of files, profiles and various credentials that if mishandled, may lead to a security leak.
OS X Recovery Disk Assistant v1.0
A clean install will give you peace of mind. With that cleared up, in this article we will show you how to erase existing data and reinstall a brand new copy of Mountain Lion.
Here is a breakdown of the steps involved:. First, grab hold of a copy of the Mountain Lion installer file.
Download OS X Mountain Lion and Extract the DMG File
Re-enter your App Store credentials if required. Note that this may take up between 10 and 60 minutes, depending on your Internet connection speeds. Do not start the installation process when your download finishes.
Our goal is here to keep a soft copy of the installer and in the flash drive. Double-click InstallESD. This may take a minute or two.alexacmobil.com/components/vibimiti/xuhu-cellulare-spia.php
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Plug in the flash drive into your Mac and launch the Disk Utility application. You can do it quickly by searching via Spotlight.
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Note: This will remove everything in the flash drive. When you format a disk, you erase all information on it permanently. If the data is critical, you should have at least two or even three known-to-be-valid backup copies of that disk before you reformat.
Use this tab to create disk partitions multiple volumes on a single disk. OS X treats each partition as a separate disk.
Create a Bootable Flash Drive With OS X Lion Installer
When you select an item in the column on the left, you see only a partition tab when you select a disk, such as the Be careful here. While some adjustments can be made to partitions without loss of data, not all adjustments can.
Makes sense when you think about it. Software vendors typically use an installer program that decompresses and copies files to their proper places on your hard drive.
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These days, more developers are adopting the disk-image format for their downloadable installers and updaters.
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