How long does sandisk secure erase take
Dell experimented with a touchscreen UEFI BIOS setup on the XPS 9350/93 but users preferred the traditional user interface so newer models also use the traditional UEFI BIOS Setup. Most Dells that support Dell Data Wipe have the traditional UEFI BIOS setup as displayed below.
![how long does sandisk secure erase take how long does sandisk secure erase take](http://kb.sandisk.com/euf/assets/images/faqs/16678/id16678-se1.gif)
Data Wipe from Dell UEFI BIOS Setup (Traditional)
#HOW LONG DOES SANDISK SECURE ERASE TAKE INSTALL#
In essence we can Boot to this USB outwith Windows to perform a Secure Wipe of all Internal Drives and then Clean Install Windows. Parted Magic is a Linux based Bootable USB which has a wide assortment of utilities included although we are only interested in using Secure Erase and Physical Security Identification Revert in this guide. In this guide we will use either the inbuilt Data Wipe Utilities within the Dell and Lenovo UEFI BIOS (if included in your UEFI BIOS Setup) or alternatively Parted Magic to perform a Secure Wipe of an internal drive on a older computer which doesn't haven't native data wipe features.Ī wipe is recommended if reinstalling Windows due to a malware/virus issue or of course if selling your computer on as a second hand machine. SATA/mSATA SSDs which use Santize or M.2 NVMe SSDs which use NVMe Secure Erase have a designed mechanism to flush out data from all SSD cells simultaneously greatly reducing the time to wipe a SSD. This is an example of the basic algorithm that is used to Wipe a HDD sequentially bit by bit.
![how long does sandisk secure erase take how long does sandisk secure erase take](https://kb.helpline.w3.uvm.edu/wp-content/uploads/2018/09/verify-volume-encrypted-1.png)
Illustrates the difference between a Format and a Wipe. If this was sensitive data and you are selling your computer second hand, it could be recovered using third party programs. If this was a malware/virus it would have the potential to reinfect your new Windows Install. Note the "111" assigns old data which was assigned to free space.
![how long does sandisk secure erase take how long does sandisk secure erase take](https://m.media-amazon.com/images/I/91ESGIpROwL.jpg)
Old Data is still present on the Drive and can be read by third party programs.