Easiest Free Bootable Hard Drive Eraser in Windows

February 15, 2019

Looking for free software used to erase bootable hard drive or USB? The free wipe utility, AOMEI Partition Assistant Standard, allows you to securely wipe boot drive in Windows.

Why need bootable hard drive wipe tool?

Bootable hard drive, as the name implies, contains files that used to boot an operating system. In Windows, bootable hard drive refers to the hard disk containing system partition or drive containing system and boot files, usually C drive and it might include another drive letter if one installs dual-boot system. Then why it has to be disk eraser that can wipe hard drive boot disk. The answer is very simple.

In order to avoid users delete or damage operating systems by inappropriate operations and cause OS unbootable, Microsoft does not allow users to delete, format, or wipe the OS under Window environment. So you can use “delete” or “format” option by right-clicking on data partition in Disk Management, yet you will find that option is grayed out when you right-click on system drive. Besides, Windows built-in tool has no function of wipe an entire hard drive. Therefore, it is the time when bootable hard drive eraser freeware takes effect. After you transfer the order of wipe hard drive, the software will restart the operating system and complete all operations in that mode when there has no limitation of Windows OS. Alternatively, you can wipe or format a hard drive from bootable USB/CD, so that you don’t need to boot Windows first.

Free bootable hard drive wipe software – AOMEI Partition Assistant

AOMEI Partition Assistant Standard is a free dedicated partitioning tool designed for Windows operating systems, including Windows 10/8.1/8/7/XP/Vista. This utility provides wipe hard drive, wipe partition and delete all partitions features. Suppose that you have Windows 7 and Windows 10 two operating systems on different hard drives or different partitions and you want to wipe the drive that Windows 7 is on. You can login from Windows 10 and perform wipe hard drive order directly in AOMEI Partition Assistant and securely erase all contents. If you have only one OS installed, try to erase hard drive from bootable USB which can be created with “Make Bootable CD Wizard” function of the software.

What’s more, simply deleting or formatting files on hard drive may cause leakage of information because all of them can be recovered by professional data recovery software. In order to prevent such incidents happen, AOMEI Partition Assistant provides an option that used to erase the hard drive for up to 100 times and wipe confidential data from unused space on the hard drive. In that case, you can resell your hard drive to friends or strangers without worries. Here is a link for bootable hard drive eraser free download.

Erase bootable hard drive with AOMEI Partition Assistant

Note: Use the function with caution because once wiped, you are not able to access this system and all data any more.

Step1. Install and start AOMEI Partition Assistant. Right click the hard drive you want to wipe and select “Wipe Hard Drive”.

Wipe Hard Drive System

Step2. Select the first wiping method to fill sectors with zero, and click "OK" to continue.

Fill Sectors With Zero System

Step3. Here is the notification that reminds you of what you’re doing now. Click “Yes” if you’re sure about this.

Confirm Delete System

Step4. This is virtual result of wiping Disk 1. Click “Apply” to make it real.

Apply Delete System

Step5. Here is the final confirmation and some extra information as well. There is a reboot required, click “Proceed” to start.


  • The more times you wipe the hard drive, the longer the process will take. For instance, if you ask it to wipe hard drive for 5 times, it may take half an hour to complete. Normally, one or two times are enough.

  • If you want to erase or format bootable USB hard drive, please refer to erase files on SanDisk USB drive.

  • AOMEI Partition Assistant is not file-level wipe software but a sector-level one. So, you can only use AOMEI Partition Assistant to wipe partition or disk. After a partition/disk has been wiped, all the files on it will be erased simultaneously.

It is quite easy to wipe a hard drive with OS on using free bootable hard drive eraser AOMEI Partition Assistant Standard. In fact, apart from wiping data on hard drive, this freeware can help you format partition or hard disk effortlessly. For example, you can format Lexar USB flash drive and format SD card for 3DS in Windows. If you want to replace HDD with SSD, you can achieve it via “Migrate OS to SSD” feature.

The advanced version of this freeware, AOMEI Partition Assistant Professional, has more helpful functions that are suitable for advanced users, such as allocated free space from one partition to the other, convert system disk between MBR and GPT, and convert between dynamic disk and basic disk etc.