How to recover data to a CD or DVD Ruined

How to recover data to a CD or DVD Ruined 

The CD or DVD allows us to store data and retrieve it later, through reading the dvd or cd players. But it may happen that our CD or DVD to be abused, and streaked, sanded, etc., not allowing the reading of data. Here's a chance to recover.
Instructions
DIFFICULTIES 1

   1.Se roesent want to recover data on your CD or DVD, pocedete as follows: take your cd and wash thoroughly with soap detergent, to remove the dust that was present. Do not use any type of rag or brush, soap and water only. Without this, dry well for the CD or DVD with a soft, dry cloth.
   2. Now, take a potato, wash thoroughly, especially if soiled with earth, and if necessary, remove the peel in it. At this point, cut the potato into two parts. Take one half. Place your CD or DVD with the reading facing you and the bottom resting on a cloth.
   3.Adesso, pass the potato on the reading cd, so move and putting pressure on mdo they can be cleaned. Continue until you complete the entire CD. Once you have finished, return to the so-called wash them with soapy water, then to dry well. Now try to put it in your player!
Necessary

    * Potatoes