Dec 26, 2017 If not you can find Disk Utility in the menu bar: click Utilities then Disk Utility. You’ll now see your list of hard drives. Click your primary drive, then click “Erase” If you’re wiping a mechanical drive, click “Security Options” in the window that pops up. It will meet all your needs of data erasure in different situations. It offers three options to let you easily erase data under Mac OS X 10.10 Yosemite. Option 1: Selectively erase files or folders under Mac OS X 10.10 Yosemite. This option is designed for destroying specific files or folders on your Mac. Whether it’s a hard drive in an older Mac or an external hard drive, if it is accessible, you can use Disk Utility to securely erase it. Here’s how: Open Disk Utility via your Applications Utilities folder. Select the hard drive you want to securely erase from the list of available drives in the left column. Dec 21, 2017 Secure-Erase a Partition or Drive. The Erase button allows you to erase an entire hard disk or partition. You can also choose to only erase its free space. You can use this feature to securely wipe a hard drive. Click a drive, then click the “Erase” button, then click “Security Options” to select a number of passes to overwrite the. Whether it’s a hard drive in an older Mac or an external hard drive, if it is accessible, you can use Disk Utility to securely erase it. Here’s how: Open Disk Utility via your Applications Utilities folder. Select the hard drive you want to securely erase from the list of available drives in the left column.
Apple pages for mac os x 10.6.8. If OS X El Capitan came preinstalled on your new Mac, you’ll probably never need this article until you decide to sell it. At that time, it’s a good idea to erase the disk and install a fresh copy of OS X for the next owner.
If you’re thinking about reinstalling because something has gone wrong with your Mac, know that an OS X reinstallation should be your last resort. If nothing else fixes your Mac, reinstalling OS X could well be your final option before invasive surgery (that is, trundling your Mac to a repair shop). You don’t want to reinstall OS X if something easier can correct the problem. So if you have to do a reinstallation, realize that this is more or less your last hope (this side of the dreaded screwdriver, anyway).
In this article, you discover all you need to know to install or reinstall OS X, if you should have to.Reinstalling is a hassle because although you won’t lose the contents of your Home folder, applications you’ve installed, or the stuff in your Documents folder (unless something goes horribly wrong or you have to reformat your hard drive), you might lose the settings for some System Preferences, which means you’ll have to manually reconfigure those panes after you reinstall.
And you might have to reinstall drivers for third-party hardware such as mice, keyboards, printers, tablets, and the like. Finally, you might have to reregister or reinstall some of your software.
It’s not the end of the world, but it’s almost always inconvenient. That said, reinstalling OS X almost always corrects all but the most horrifying and malignant of problems. The process in El Capitan is (compared with root-canal work, income taxes, or previous versions of OS X) relatively painless.
How to install (or reinstall) OS XErase Disk Mac Os X
In theory, you should have to install El Capitan only once, or never if your Mac came with El Capitan preinstalled. And in a perfect world, that would be the case. But you might find occasion to install, reinstall, or use it to upgrade, such as
The following instructions do triple duty: Of course they’re what you do to install OS X for the first time on a Mac or a freshly formatted hard or solid-state disk. But they’re also what you do if something really bad happens to the copy of OS X that you boot your Mac from, or if the version of OS X on your Mac is earlier than 10.10 El Capitan. In other words, these instructions describe the process for installing, reinstalling, or upgrading OS X El Capitan.
You must have Internet access to complete this procedure.
Unable To Erase Mac Disk
If you’ve never had El Capitan on this Mac, the first thing to do is visit the Mac App Store, download El Capitan (it’s free), and install it. Once you’ve done that, here’s how to install, reinstall, or upgrade to El Capitan, step by step:
If you were reinstalling El Capitan on the hard disk that it was originally installed on, or upgrading from Mavericks, you’re done now. Your Mac will reboot, and in a few moments you can begin using your new, freshly installed (and ideally trouble-free) copy of OS X El Capitan. Mac os x 10.5 download free for ibook g4.
If, on the other hand, you’re installing El Capitan on a hard disk for the first time, you still have one last step to complete. After your Mac reboots, the Setup Assistant window appears.
Getting set up with the Setup Assistant
Assuming that your installation process goes well and your Mac restarts itself, the next thing you should see (and hear) is a short, colorful movie that ends by transforming into the first Setup Assistant screen (Apple Assistants such as this are like wizards in Windows, only smarter), fetchingly named Welcome.
To tiptoe through the Setup Assistant, follow these steps:
Erase Disk Options For Mac Os X![]() Erase Disk And Install Mac Os
And that’s all there is to it. You’re done.
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