Recover Deleted Files

Info

  • Level: Intermediate
  • Presenter: Eli the Computer Guy
  • Length of Class: 18 Minutes

Tracks

Prerequisites

Purpose of Class

This class teaches students how to recover files that have been deleted

Topics Covered

  • How Data is stored and deleted on hard drives
  • Software to use to recover deleted files

Class Notes

  1. Introduction
    1. Use free or inexpensive software
    2. Eli likes to use Recuva that can be downloaded at www.Recuva.com
    3. Size of Hard Drive and Data determine how long recovery will take
    4. CD’s/ DVD’s probably not a good idea to recover data to.
  2. Warning
    1. Stop using the computer
    2. Best to scan disk with another computer
  3. Understand How Data is Stored/ Deleted
    1. Files are not deleted, Pointers to files are deleted
    2. Once pointer has been deleted the file may, or may not be over written
    3. Securely deleted files cannot be recovered
  4. I.D.10.T Errors
    1. Be sure the file has actually been deleted

5 Responses to Recover Deleted Files

  • joe says:

    i am learning now to became an IT i am watching your videos you are amazing. i would like to ask you about this video from data recovery. is everything you explained about how files are getting deleted the same in ssd or it will be different?

  • Eli the Computer Guy says:

    It’s the same. The FILE SYSTEM controls how data is handled

  • Solly says:

    Great class Eli,
    Just something niggling my mind, what do you do when a client wants to recover deleted files from his Pc/labtop. Do you install Recuva on his computer(with the obvious dangers of overwriting his deleted files) or do you take his drive out and temporarily connect it to your computer via an extended ribbon cable and then use Recuva from your PC to recover his files. If you can help with this please .
    In appreciation
    Solly

  • Eli the Computer Guy says:

    For standard residential clients (aka “cheap”) I just install Recuva on the PC and run the scan from it. When it’s really important I’ll pull the drive out and run the scan from a different computer. Many times I’ll actually do a bit for bit duplication and then run the scan on the new drive, BUT that takes a lot of time! Generally installing Recuva doesn’t do much damage, and gets the job done.

  • Aharon says:

    i use an OpenSource software called “TestDisk & PhotoRec”
    compatible with OS Linux, Windows or Mac.
    download link:
    http://www.cgsecurity.org/wiki/TestDisk_Download

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