How to erase a disk from Terminal in Mac OS X
Mar 21, · To wipe your mechanical drive, open Disk Utility, which you’ll find in Applications > Utilities. Connect the drive you want to securely delete, then click it in the sidebar. Make sure you click the drive you want to securely delete: you do not want to erase some other hard drive by mistake! When you’re ready, click the “Erase” electronicgamingbusiness.com: Justin Pot. May 14, · Once you enter the Disk Utility, you’ll have to select the drive you want to erase. In this case, you’ll want to choose Macintosh HD to wipe the entire drive. Then, click the Erase button at the bottom of the window. Note: The Erase option will only appear as a clickable button when the computer is booted up using the command + R electronicgamingbusiness.comted Reading Time: 7 mins.
This is much more important for mechanical drives with spinning platters. Connect the drive you want to securely delete, then click it in the sidebar.
Make sure you click the drive you want to securely delete : you do not want to erase what happened to csi miami cast other hard drive by mistake!
The dtive dialogue will come up. But three passes is what the US Department of Energy uses to securely delete their files. The Pentagon is even more paranoid: they use seven passes. Your Mac will begin wiping the drive. Both methods may adversely affect future performance of the drive, but are very effective at deterring file recovery efforts. The Best Tech Newsletter Anywhere. Joinsubscribers and get a daily digest of news, comics, trivia, reviews, and more.
Windows Mac iPhone Android. Smarthome Office Security Linux. The Best Tech Newsletter Anywhere Joinsubscribers and get a daily digest of news, geek trivia, and our feature articles.
How-To Geek is where you turn when you want experts ddrive explain technology. Since we launched inour articles have been read more than 1 billion times. Want to know more?
Start off by running the following command in the command line: Diskutil list This is going to list all the mounted drives on your Mac. Once you have found the proper drive to erase, just copy its identifier so you can use it for the next command. Then pick a name and a system format electronicgamingbusiness.comted Reading Time: 50 secs. Jul 30, · I don't have a USB boot drive. Looks like I need the electronicgamingbusiness.com file to create one (I do have a PC I can use), but I don't have that file unless it is buried in on the Mac hard drive -- in which case I may be able to restore it from my cloud backup. Hard drive is 7 months old.
But how do you wipe it? How do you erase everything on your Mac and restore it to factory settings, so the next person gets a clean computer with none of your documents? Before you even think about wiping your hard drive, make sure that you have everything backed up.
And once you restore your computer to factory settings, all your photos, videos, documents, and downloads are going to be gone. Click here to learn how to back up your computer to iCloud. If your iTunes account is connected to your computer, then the next owner will be able to access it. So, you need to deauthorize the account. That way, your account will no longer be linked to the machine.
Similar to iTunes, you have to sign out of your iCloud account, too. Otherwise, the next owner may be able to access it. Once you reformat it, everything will be gone, and the computer will be restored to factory settings. There are four different levels you can choose from, ranging from fastest to slowest.
But, the process takes a little longer. If you choose the fastest option, however, the process goes quite quickly. But, the data is not removed as thoroughly and could be restored through a file recovery application. Instead, they have a solid state drive or SSD.
Solid state drives can only be rewritten a certain number of times. So, even if you reformat your drive just once, you may notice that it functions slightly worse afterward. Of course, there may be cases in which you have no choice but to erase your drive.
These letters will let you know whether your device is equipped with a hard disk drive HDD or a solid state drive SSD. After all, not everyone will be able to figure out how. The only way to reset your computer without losing data is to back it up first. You might be able to use a recovery app to restore your files if you ran a fast, low-level erasure. But most of the time, the data is completely cleared from the device.
No law says you have to. Unless you erase it and erase it thoroughly , the next owner could get access to your files. Once you reinstall the OS, your computer will be loaded with all of the programs that come with that software. Any programs you installed on your own before erasing the drive will be gone. Otherwise, you will not have the option to wipe the drive. Please note, however, that not all Apple products support Windows.
Subscribe Subscribe Search. How to Wipe a Mac Hard Drive. By Randy. Categorized under Data Recovery. Read on to find out how. Screenshot via Macworl. Screenshot via Macworld.