The First step is to try some software applications to attempt recovering data from the scratch disc. If You are not succeeded with one try more one by one. This is because different softwares are capable of different functionality hence there is also different in strength of recovering different data types differently in the amount of data that is recovered or the speed with which it is recovered. However most of the time CD Recovery Toolbox has come up on top.
Download CD Recovery toolbox from here

After you have downloaded and installed the software,insert the damaged CD, DVD, HD DVD (if you still use them) or Blue-Ray disc in the disk drive and run the software.The software will show you the list of files and folders that it found on the disc.

Choose the ones you want to recover and click next.Be patient, The process can be very slow.

Another software solution for recovering datas from a damaged disk,cd or dvd is Roadkil’s Unstoppable Copier.

Download From Here
It is very similar to CD recovery toolbox, that is capable of recovering data from damaged or scratched discs. If the recovery is taking too long you can also pause, save and resume sessions at some other time.

All the process is simple and almost same as for CD recovery toolbox

Here are the steps to repair a damaged disk:

1. Clean the surface of the damaged disc with help of a soft lint-free cloth. Gentle detergent or alcohol can be used for rubbing alcohol,if there are some grease spots. You should make sure that there are no finger prints or dust particles left any more. While rubbing ,you shouldn't scrub too hard as the scratches may get more complex.

2. Apply little amount of whitening toothpaste or polish on the scratched surface. Applying too much of toothpaste or polish can also make it more harder to recover the damages on CD or DVds.

3. Now you have to rub gently with a lint free cloth moving from the center outwards. Be careful of direction.

4. If above steps are done in good way, You can notice that the scratches are getting minimum or some just disappears.

The success with this method varies greatly.

1. Hence CD or DVD writers can read precisely see the tracks much better as compared to CD and dvd readers.

2. Trying recovery on the same drive on which the the disk was created have more potentials to recover more amount of data in better way. Using same drive or at least the same manufacturer is another notable thing to be consider for better result in recovering datas.

3. Dvd rental shops and music stores usually have a CD refinishing machine and may be able to do a better job to repair scratches from disks.

4. Its always better to create a backup copy or burn same datas in multiple disks.

5. Always buy good quality medias and take as much care you can about your medias.

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