How to Erase Hard Drives to Use Again

Table of Contents

Overview on wiping a hard drive

It's common to virtually users to sell or give away computer or difficult drive when they want to dispose of old device or upgrade to new ones. You may accept already formatted the difficult drive or deleted files on it in gild to erase sensitive personal data and avoid condign the victim of identity theft.

However, the fact is that wiping out a hard bulldoze is not as easy as deleting data or formatting hard disk. Simply deleting files by Shift + Delete or emptying the Recycle Bin does non permanently articulate information, equally deleted files tin easily be recovered past recovery software. Formatting a difficult drive does not completely erase data either. Though operating system cannot see deleted or formatted information and the drive looks empty, boilerplate users are able to become back lost data easily with the help of hard bulldoze recovery software.

If yous view tech forums or comminutes online, you can see lots of users looking for an piece of cake way to make clean storage devices, and here is one of them:

"What is the all-time way to clean the difficult bulldoze of my laptop? I'chiliad going to selling information technology to someone just want to ensure all personal files are securely erased. What I want to do is cleaning hard drive completely and reinstalling Windows 7 (its configurations does not suitable for Windows 10). Everything on the hd has been backed upward to my external difficult drive, I'm hoping one of you hither can tell me how to clearing PC step by footstep? I know how to install Windows from CD but accept no idea how to safely wipe hard disk. Many thanks!"

Why deleting and formatting is non the same every bit erasing hard drive?

Are yous i of those who hold the view that deleting a file is similar to erase it? If yeah, you should accept a fresh look at this event. We'll explain reasons in an easier way.

Hard bulldoze is a kind of storage devices which is used to shop digital information. Files are stored on the surface of magnetic and rotating platters in hard disk instance. Difficult disk changes the magnetic belongings of platter surface to i or 0 when reading or writing information. Thus all information on hard drive will be finally stored in the course of basic binary data, for example, when system saves data like photos, music, etc. on hard drive, rows of zeros and ones are recorded on platters.

When a file is deleted, those ones and zeros of that files stays unaffected, for only a pointer indicating the file is being deleted. Therefore, the recovering deleted files is available before file information gets overwritten or damaged. What about disk formatting? Formatting works in a similar way, every bit it does not actually wipe data. Formatting disk or partition looks like tearing the contents of a book without agonizing actual chapters of the book. Recovery software is also able to retrieve lost files from formatted deejay.

How does hard disk wiping works?

You may wonder how deejay wiping works since deletion and formatting does not work on permanently clean hard bulldoze. Apart from physical harm to hard drive, we can completely remove data with disk wiping technology.

As we've mentioned above, to completely erase disk, we should remove those binary information, which means overwriting those zeros and ones with new data. In one case binary information of a file is replaced and overwritten by new data, it cannot exist recovered any more. Some professional disk eraser software is able to filling upwardly disk with zeros or random data sector past sector, ensuring no data tin can be recovered from a wiped disk.

What to do before wiping a hard drive?

Some preparatory work should be done before wiping computer hard bulldoze in order to make sure the disk wiping can be completed without suspension or causing extra issues.

• Download and install difficult bulldoze wipe software. If you plan to make clean hard disk on your own, a deejay wipe tool is necessary. You should select i easy-to-use and effective tool for the task. If you desire to wipe the entire reckoner, you should make certain the software can work on bootable drive.
• Ensure battery is full. If you want to wipe a laptop, you should brand sure the battery is well charged or connected to power. If ability goes out during disk clearing, it might spell disaster to the drive.
• Backup your data to a different hard disk drive. When you wipe your reckoner, everything on information technology will be lost, thus you should back up any files you lot want to continue to another hard drive. You can clone hard drive or simply re-create & paste files to that deejay.
• Recall to salvage software serial numbers. Those applications you bought will be lost later wiping your PC, and you need to reinstall them to new hard drive. Practice non forget to record each programme'southward serial number so that you can activate them after reinstallation.
• Download drivers. If you are going to reinstall operating system later hard drive is completely wiped, you may demand to download necessary drivers for new organization. You tin go to official spider web site of the device and download the latest drivers.
• Gear up a bootable deejay. If you are wiping computer's main difficult disk, you'll take to carry out the task without booting system, such equally under WinPE. In that case, a bootable USB bulldoze or CD is needed.

Once everything gets ready, yous can offset erasing computer hard drive or external disks. The residual part of this instruction will show you how to wipe a hard bulldoze, external deejay, SD bill of fare or wink drive via dissimilar ways.

Method #1: Completely wipe computer by resetting your PC

This method wipes computer by using the reset feature in Windows 8.1 or ten during reinstalling operating system, which has an choice to remove everything on difficult bulldoze. This section takes Windows 10 as example to explain how to wipe calculator completely. If your computer is running an older version of Windows, you tin try steps in Method 2 to erase hard disk. Here are steps to wipe a hard drive in Windows 10:

Step 1. Click "Get-go" menu and select "Settings" choice. On Windows Settings pane click "Update & Security" choice.

Step two. Click "Recovery" selection on the left navigation options and and then click "Get Started" button under "Reset this PC" department.

Step 3. Select "Remove everything" option. This will remove all of your personal files, apps, and settings and start over.

Step iv. Select "Remove files and clean the drive" when you lot are asked to whether to clean the drives too. The cleaning procedure may accept longer time but it makes sure no one tin can recover erased files.

Stride 5. Click "Next" and "Reset" button on following steps to complete the task.

Method #two: Wipe hard bulldoze using free hard drive eraser software

The secure way to erase information for expert is overwriting data and refill hard disk using zeros or random data, and then that nobody can recover wiped data with disk recovery software. Sounds complex? Actually, nowadays cleaning hard disk is not a complicated work, and you can hands and deeply erase disk using disk wipe software.

Gratis hard drive wipe software - DiskGenius Free Edition

DiskGenius is free software for permanently data wiping. With this hard deejay eraser, you tin wipe all data on by filling disk sector by sector, making files unrecoverable. Besides, it is a free sectionalisation manager program which is able to resize, format, clone or backup division, bank check &repair bad sectors, fill-in data, etc. Here are features of disk wiping function:

• Completely erase information on an unabridged hard drive or partition
• Permanently delete certain existing files and so that they cannot be recovered.
• Safely wipe deleted data without affecting existing files.
• Supports creating bootable USB drive so that you lot can utilise the software when reckoner fails to boot.
• Supports all popular file systems such as NTFS, FAT32, FAT16, FAT12, exFAT, Ext2, Ext3, Ext4, etc.
• It works with various storage media for example hard drive, external HDD, SSD, USB wink drive, SD card, virtual disk, etc.
• Portable version is available, both 32 bit and 64 bit.

ô  Free Download

The post-obit content introduces how to erase data in difference situations, and yous can choose which to use in line with bodily demands, for instance, you desire to clear an SD menu or other removable devices, Case 1 is the proper solution; if yous want to wipe computer, and then get to Example 2.

Case #ane: Safely erase secondary HDD / external difficult drive / SD card / USB flash drive in Windows 10/viii/vii

By manner of the free disk erasure DiskGenius Complimentary Edition, you tin can completely wipe difficult drives and removable drives via rewriting sectors to 00 or random characters. Thus, files on the hard bulldoze cannot exist recovered by any method, ensuring privacy. Follow steps below to wipe your hard drive or USB drives in Windows 10/8/7.

Step one. Connect the removable device to your reckoner and make sure it can be recognized by Windows.

Step 2. Install and run DiskGenius from your PC and you can see all local disks and portable devices on the chief interface.

Step 3. Select the external hard drive or SD card you want to erase data, and select "Erase Sectors" option under Tools carte du jour.

Step 4. Select items to fill deejay sectors and click Erase button on the popped-up window.

There are four options to make full disk sectors in the drop-down list, i.east. Random Data, 00, FF and User Specify. You tin either choose one from "00, FF and Random Information", or specify particular to fill up disk.

Step 5. DiskGenius asks confirmation for the activity, click Erase button to go along.

Since the procedure wipes data permanently, you should brand sure you are erasing correcting disk and of import files have been backed up.

Step half-dozen. The disk eraser starts wiping information on selected bulldoze and the procedure may take long time if the disk has very big capacity.

Case #2: How to wipe figurer system difficult drive?

In this case, yous tin larn how to wipe a reckoner'southward main hard drive where Windows is installed. Operating system does not permit to erase organisation while it is running, and we can only wipe non-system partitions. In this situation, we can erase the hard disk in Pre-OS environment, for example Windows PE.

DiskGenius is able to reboot to its WinPE version directly from Windows as well equally creating bootable USB deejay with which you tin can boot computer and run the WinPE version. If you want to create a bootable WinPE USB stick, yous tin insert your USB flash drive and click Tools bill of fare and select "Create WinPE bootable USB drive of DiskGenius". The following steps show how to reboot computer to WinPE version directly and then erase organisation disk.

Step 1. Launch the free disk wipe tool DiskGenius from your Windows reckoner.

Stride two. Click menu "File" and choose "Reboot to DiskGenius WinPE version" pick.

Pace 3. Information technology takes about two minutes to create booting information for Windows PE, please look information technology to complete with patience.

Step 4. Once the application is ready to reboot, it prompts to restart and backup data. Click "OK" push and computer reboots.

Then the DiskGenius WinPE version is launched, which contains aforementioned features with the Windows version.

Pace 5. Select computer's organization difficult drive where Windows is installed and click "Erase Sectors" option which can be found under Tools menu.

Pace 6. Click Erase button and the software starts wiping the deejay.

Note: In one case the procedure finishes, the reckoner cannot kicking to arrangement, as organisation sectionalization accept been erased. You lot need to make a clean system installation on the difficult disk.

Case #3: Wipe a single file or binder on hard drive

Erasing an unabridged hard bulldoze takes as well much fourth dimension, and you lot don't accept to do that if y'all merely want to erase certain existing files on the deejay. On account that deleting files by emptying Recycle Bin does not wipe data complete, we should do actress functioning to brand files unrecoverable. Files deleted in this way cannot be recovered by any recovery software or professionals. Let's have a close look at how to wipe files and folders:

Step 1. Launch DiskGenius again, and locate files you desire to permanently delete. Select those files and right-click them to cull "Delete Files Permanently".

Step ii. Click "Permanently Delete" button on the popped-up window.

In order to completely delete the file, the awarding will refill hard drive sectors taken by the file during deletion. By default, it overwrites data by filling zeros which tin can exist modified to random data every bit well. Also, y'all should select "Delete Directory Entry" option on Fatty division (and the option will be "Delete File Record in $MFT" on NTFS partition).

Footstep three. Click "Delete" button to ostend the action to be done.

When selected files become deleted, you can continue to delete other information on your computer.

Instance #4: Erase deleted files but without affecting existing data

Erasing free space on hard drive overwrites lost files, which does not disturb existing files on the disk. This solution applies to those who just want to overwrite lost files only in gild to make lost information unrecoverable. For instance, yous've formatted hard drive and reinstalled operating organization, what y'all need to do is erasing all disk surface area except organisation; or you've deleted sensitive using Shift + Delete, and want to make sure they are no longer recoverable without affecting existing data.

Step ane. Get-go Eassos DiskGenius, click "Tools" menu and select "Erase Gratis Space" item.

This function permanently erases unused free deejay infinite, preventing data from being recovered.

Stride 2. Select sectionalisation / disk for which y'all want to erase gratuitous space and click "OK" push button.

Step iii. Select characters to overwrite disk infinite and click "Erase" button.

Step 4. The application starts cleaning unused disk space, which takes long time if free space is very larger.

Method #3: Clean PC hard drive by physically destroying it

Physically destroying a hard drive is besides a solution to ensure data is forever unrecoverable. If you are not going to reuse or recycle your difficult drive, you tin can endeavour this solution to clean information.

Pace 1. Use a screwdriver to remove all screws on the difficult drive case. Then yous'll exist able to remove enclosure and the chief circuit board.

Stride 2. Remove platters and heads out of hard drive enclosure, and use a hammer to hit platters. And so repeatedly strike other components.

Step 3. Box up all components and throw them to garbage can.

Conclusion

This article talks about 3 methods regarding how to wipe a hard drive, SD card or removable disk, helping to brand sure sensitive data tin be erased safely and completely. Files erased by these methods are no longer available for data recovery, thus please make certain important files take been backed up to somewhere else before erasing whatsoever storage media. If yous feel this commodity useful, please share information technology to assistance more people. If you have meliorate solutions or any questions about this topic, feel free to contact united states of america please.

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Source: https://www.diskgenius.com/how-to/how-to-completely-wipe-a-hard-drive.php

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