There are many reasons why you need to format a hard disk. But, if you’re wondering how it should be done, then you should go through the step by step procedures mentioned below. With this guide on how to wipe a hard drive completely, you would surely find a secure way for systems running on Microsoft Windows and Mac OS X.

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Steps to Wipe a Hard Drive for Mac OS X User

When you need to wipe off data from Mac, then depending on the configuration, the steps may vary. In this case, we have considered Mac OS 10.12 Sierra. Before performing the task, please ensure that you have taken a backup.

Step 1: Restart the system by pressing ‘Option + Command + R’ together.

Step 2: Once the computer boots into the recovery mode, you would have to choose an option from the Utilities menu.

Wipe Hard Drive for MacStep 3: Select ‘Disk Utility’ followed by the internal storage disk from the options present on the left hand side. Here the disk is ‘APPLE SSD SD0128F Media’.

Wipe Hard Drive for Mac 1Step 4: Click ‘Erase’ that’s visible towards the top of Disk Utility. Check for the following options.

Name: MacintoshHD

Format: Mac OS Extended (Journaled)

Scheme: GUID Partition Map.

Wipe Hard Drive for Mac-2Step 5: Finally, click on the ‘Erase’ button. Later, once everything is deleted, reinstall the operating system once again.

How to Wipe a Hard Drive for Windows?


Just like Macintosh, the step by step procedure varies according the version of the operating system. But, things become simpler if you own a branded computer. These have a hidden system recovery partition. You no longer need to use a CD or a DVD.

For Windows 10

Step 1: Click ‘Start’ and select the ‘Settings’ option.

Step 2: Once a window pops up, select ‘Update & Security’.

Step 3: From the left navigation pane, select ‘Recovery’ followed by the ‘Get Started’ button.

Step 4: Select the option ‘Remove everything’ to reset Windows.

For Windows 8

Step 1: Press the Windows + C key to open the Charms menu,

Step 2: Select ‘Search’ and type ‘reinstall’.

Step 3: Next, select the ‘Settings’ option along with ‘Remove everything and reinstall Windows’. You would find the option towards the left hand side.

Step 4: Once you view the ‘Do you want to fully clean the drive’ screen, select ‘Just remove my files’ for quick deletion. But, if you want to erase every file, then ‘Fully clean the drive’ option would serve the purpose.

Step 5: Once you are directed to the ‘Ready to reset your PC’ screen, confirm by clicking ‘Reset’.

So, folks hope you have learnt the way of formatting the hard disk. Consult an IT professional if you have any other operating system apart from the ones mentioned above.