- Feb 03, 2020 Use the arrow keys on your Mac to select the external drive and tap Enter. This cloned drive can be re-cloned back to the main drive if you decide to restore your Mac, or it can be used to access all the original files from your computer after you have wiped the internal hard drive. Step2: Step 2: Deauthorise your iTunes account.
- Feb 09, 2016 Reinstalling OS X System Software on a Mac with Recovery Mode. It’s a good idea to back up the Mac with Time Machine before beginning this process. Even though this method aims to only reinstall OS X system software on the Mac, things could still go wrong and it’s always better to lean on the side of caution and make file backups beforehand.
Jul 02, 2020 Erasing your disk: For most reasons to erase, including when reformatting a disk or selling, giving away, or trading in your Mac, you should erase your entire disk. Erasing a volume on your disk: In other cases, such as when your disk contains multiple volumes (or partitions) and you don't want to erase them all, you can erase specific volumes on the disk.
Wipe Out Mac Os X Hard Drive Windows 10
Question submitted by a reader of the blog:
Hello Tysa, I have an old Mac machine which runs extremely slow. I’ve just ordered a new Mac from the Apple Store. Now I want to sell my old Mac on eBay. I read that one of the best practices is to erase the hard drive so no one can retrieve any data from it. The thing is how to do this without the system restore CD?
Here’s my reply:
Wipe Out Hard Drive Free
For modern Mac machines, you don’t need to rely on the original system disc to wipe a Mac clean. Plus, Macs shipped after OS X Lion don’t come with CDs any more (see this MacWorld news). So, there is no way you can get one unless your Mac really shows its age.
That said, you can quickly erase your old Mac hard drive with OS X’s Recovery feature, which is built into Apple’s Disk Utility. See this screenshot on my Mac. There is an “Erase” option. Note: it’s grayed out because I can’t erase the main hard drive when I turn on my Mac. You’ll have to shut down your Mac and use the trick below to access Disk Utility without booting the disk.
How to access Disk Utility on startup?
All you have to do is shut down your Mac, press the Start button, and hold Command + R keys (or Option key, depending on the OS X your Mac is with). It’ll come to a screen called “OS X Utilities”, there you’ll find Disk Utility, click it and erase your Mac securely.
This YouTube video made by Shani Jaf nails it step by step
In case you find the above method too complicated or it doesn’t work, another way is to use third-party software.
Mac Os X Versions
Reminder: using the above methods will permanently remove all data saved on the hard drive, use with caution. Before you proceed, make sure you’ve already backed up all important data to an external hard drive or cloud storage.