Windows 10: Why are there so many data wipe/erase methods for HDD?

rambomhtri · Jul 3, 2020

Hi, I was recovering the data of an old HDD and I noticed in the software a section to wipe all the data from an HDD. I saw fill all with 0's, fill all with 1's, fill all with 0's then with 1's, then you could select the number of times the wiping was performed...

I was thinking, if you fill all the HDD with 0's, how in heavens one person could recover data from there?
What am I missing?

I've read that HDD have tracks with bumps and holes, meaning 1's and 0's. If you make all of those bumps, it's impossible to know the previous state of the track.

:)

Cluster Head · Jul 3, 2020

Microsoft Surface Data Eraser

Microsoft Surface Data Eraser

Find out how the Microsoft Surface Data Eraser tool can help you securely wipe data from your Surface devices.

Microsoft Surface Data Eraser is a tool that boots from a USB stick and allows you to perform a secure wipe of all data from a compatible Surface device. A Microsoft Surface Data Eraser USB stick requires only the ability to boot from USB. The USB tool is easy to create by using the provided wizard, the Microsoft Surface Data Eraser Wrapper, and is easy to use with a simple graphic interface, no command line needed. To learn more about the data wiping capabilities and practices Microsoft uses during the service process for Surface, see Protecting your data if you send your Surface in for service.

Compatible Surface devices include:

•Surface Book

•Surface Pro 4

•Surface Pro3

•Surface 3

•Surface 3 LTE

•Surface Pro 2

Some scenarios where Microsoft Surface Data Eraser can be helpful include:

•Prepare a Surface device to be sent for repair

•Decommission a Surface device to be removed from corporate or organizational use

•Repurpose a Surface device for use in a new department or for use by a new user

•Standard practice when performing reimaging for devices used with sensitive data

Note: Third-party devices, Surface devices running Windows RT (including Surface and Surface 2), and Surface Pro are not compatible with Microsoft Surface Data Eraser.

Note: Because the ability to boot to USB is required to run Microsoft Surface Data Eraser, if the device is not configured to boot from USB or if the device is unable to boot or POST successfully, the Microsoft Surface Data Eraser tool will not function.

How to create a Microsoft Surface Data Eraser USB stick

To create a Microsoft Surface Data Eraser USB stick, first install the Microsoft Surface Data Eraser setup tool from the Microsoft Download Center using the link provided at the beginning of this article. You do not need a Surface device to create the USB stick. After you have downloaded the installation file to your computer, follow these steps to install the Microsoft Surface Data Eraser creation tool:

1.Run the DataEraserSetup.msi installation file that you downloaded from the Microsoft Download Center.

2.Select the check box to accept the terms of the license agreement, and then click Install.

3.Click Finish to close the Microsoft Surface Data Eraser setup window.

After the creation tool is installed, follow these steps to create a Microsoft Surface Data Eraser USB stick. Before you begin these steps, ensure that you have a USB 3.0 stick that is 4 GB or larger connected to the computer.

1.Start Microsoft Surface Data Eraser from the Start menu or Start screen.

2.Click Build to begin the Microsoft Surface Data Eraser USB creation process.

3.Click Start to acknowledge that you have a USB stick of at least 4 GB connected, as shown in Figure 1.

Figure 1. Start the Microsoft Surface Data Eraser tool

4.Select the USB drive of your choice from the USB Thumb Drive Selection page as shown in Figure 2, and then click Start to begin the USB creation process. The drive you select will be formatted and any existing data on this drive will be lost.

Note: If the Start button is disabled, check that your removable drive has a total capacity of at least 4 GB.

Figure 2. USB thumb drive selection

5.After the creation process is finished, the USB drive has been formatted and all binaries are copied to the USB drive. Click Success.

6.When the Congratulations screen is displayed, you can eject and remove the thumb drive. This thumb drive is now ready to be inserted into a Surface device, booted from, and wipe any data on the device. Click Complete to finish the USB creation process, as shown in Figure 3.

Figure 3. Complete the Microsoft Surface Data Eraser USB creation process

7.Click X to close Microsoft Surface Data Eraser.

How to use a Microsoft Surface Data Eraser USB stick

After you create a Microsoft Surface Data Eraser USB stick, you can boot a supported Surface device from the USB stick by following this procedure:

1.Insert the bootable Microsoft Surface Data Eraser USB stick into the supported Surface device.

2.Ensure your system firmware is set to boot to USB. To enter the firmware settings:

1.Turn off your Surface device.

2.Press and hold the Volume Up button.

3.Press and release the Power button.

4.Release the Volume Up button.

3.When the Surface device boots, a SoftwareLicenseTerms text file is displayed.

Figure 4. Booting the Microsoft Surface Data Eraser USB stick

4.Read the software license terms, and then close the notepad file.

5.Accept or Decline the Software License Terms by typing Accept or Decline.

6.Select one of the following three options:

◦Enter S to start Data Erase – Select this option to begin the data erase process. You will have a chance to confirm in the next step.

◦Enter D to perform Diskpart – Select this option to use diskpart.exe to manage partitions on your disk.

◦Enter X to shut device down – Select this option to perform no action and shut down the device.

7.If you typed S to begin the data erase process, the partition that will be erased is displayed, as shown in Figure 5. If this is correct, press Y to continue, or N to shut down the device.

Figure 5. Partition to be erased is displayed in Microsoft Surface Data Eraser

8.If you pressed Y in step 7, due to the destructive nature of the data erasure process, an additional dialog box is displayed to confirm your choice.

9.Click the Yes button to continue erasing data on the Surface device.
Click to expand...

Source: https://technet.microsoft.com/en-us/...ce-data-eraser

aine_779 · Jul 3, 2020

Erase Data

Hello please can someone help,

I have an old laptop running Windows 7, which is still in working order, and I am going to give it away to a friend, but I want all my information erased off it first. I never backed up the computer via the laptop, I only ever did it through a usb memory
drive. I have tried the restore steps ie trying to do so from image etc but all it keeps asking me is where I want to back it up from??? Please there must be just a simple way of wiping my computer clean without having to go through a back up method first
etc?

Many Thanks

Aine

p_o_s_pc · Jul 3, 2020

Finally! An alternative to eraser...

it looks much cleaner then the eraser so that is a big step up.

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