Securely erase your hard drive with Disk Utility. Before Lion, you had to boot from a CD or DVD system disk or a third-party utility, like Disk Warrior, or from an external drive with OS X installed.
Jul 02, 2020 · Use Disk Utility to erase (format) a hard disk, SSD, flash drive, or other storage device. 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. Step 1: Back up your hard-drive data. Before you wipe your computer’s hard drive or do a factory reset, make sure to back up all of your information to your new computer, an external hard drive, or a web service. Backing up your data regularly is a smart way to keep your data safe. Mar 29, 2019 · Knowing how to erase data on your hard drive is an important skill to have, whether you are planning to recycle, sell or give away your old computer or just wipe the drive clean. Wiping your hard drive will keep your private information and financial details safe. How to wipe the hard drive of a Windows computer. Note: This process works for Windows computers only. If you're selling or giving away a Windows computer, you'll want to wipe the hard drive to remove all of your personal data from it before handing it over to someone new.
Oct 03, 2018 · Image titled Erase a Computer Hard Drive Step 8 3 Select the "Reformat hard drive" option when prompted. If you have more than one partition on your hard drive, the second one likely holds recovery information. If this is the case, you can leave that partition alone.
How to Wipe a Hard Drive (Permanently Erase Everything) Mar 11, 2020 How to erase my hard drive and start over
Jun 22, 2015 · Click Continue, select the drive, and hit OK to securely erase your hard drive. Note: Parted Magic may warn you that your drive is “frozen”. As suggested, just put your computer back to sleep, turn it back on, and run the utility again. If you are asked whether you want to run an Enhanced Secure Erase, select “No”.
Seagate Instant Secure Erase (ISE) is designed to protect data on hard disk drives by instantly resetting the drive back to factory settings and changing the encryption key so that any data remaining on the drive is cryptographically erased. This means all data on the drive is permanently and instantly unreadable. Dec 09, 2011 · To erase the data on my old hard drives, I strip out the hard drive from the computer and then use a screwdriver to open the hard-drive case. I then light up my acetylene torch and cook the actual platter.