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IsoBuster is a powerful data recovery tool.
Support for all the different CD and DVD readers out there, support of Image Files and support of all the different CD/DVD File-Systems.

Basically, when you select a drive and the drive contains the CD / DVD in question from which you want to recover data, IsoBuster will immediately quick scan the content and offer you extraction methods.

How to start :

1) Insert the CD / DVD in your CD / DVD -ROM / BD / HD DVD drive. 
    Use a writer if you have one  (Read here how to select a drive)
2) Wait untill the content is scanned and IsoBuster shows you the content:
    (Read this to understand what content will be shown.)
3) In case you see the files and folders you were looking for :
    Select what you want and Extract.
    E.g. start from the File System of your choice.
4) In case you don't see the missing files, 
   (e.g. you only see one or more sessions with one or more tracks but no files
   then you better try the search function "[Find missing files and folders]".

Some advice :

In case the CD / DVD / BD / HD DVD is damaged or recorded very poorly you might run into the problem that some readers can get to more data than others.
Here you get into the grey zone where some devices are still able to read data but others aren't
In case of big problems, try a number of CD / DVD drives, go to your friends or neighbours and ask if you can try it in their CD / DVD ROM drive.
Often you have more success if you try CD/DVD-RW recorders instead of CD/DVD-ROM drives.

A great way to deal with this problem is by using the power of managed image files.

The moment some sectors are very hard to read some drives may time out very quickly but others may take forever.  That and the fact that IsoBuster retries in different ways to force the unit to spin down or to get to the data in an alternative way, may result in what seems to be a hang situation.  In fact IsoBuster is waiting for the device to respond and that up to 30 seconds per command.  So for 30 seconds IsoBuster seems non responsive and because the command is retried immediately it may actually appear to be a lot longer.  If you're dealing with such a situation you might want to start up IsoBuster data extraction during the night and check the result in the morning.

Also consider reading with a lesser retry count.

Data Recovery from Blanked CD-RWs :

This is a completely different problem.
In case the CD-RW was blanked completely there's no way to get to the data anymore.  The data has been over-written and is gone.
In case a minimal or quick blank was chosen there is still a chance.  However all the critical data in the TOC and so on has been overwritten.  The CD-RW Reader is under the impression that the media is empty and will not allow to read in the data area.
The only way to get to that data is by means of special hardware and tools.  Smart Projects offers this service but you will need to send the CD-RW to the lab.  Contact us for quotes and instructions.  There are also no guarantees as some writers destroy more than others during minimal blank.  You should also only consider this service for data CD-RWs, not for audio !

More information online: Quick erased (blanked) CD-RW vs. DVD-RW vs. DVD+RW, what's recoverable and how.

Data Recovery from Blanked DVD+RWs :

This situation is not comparable to a blanked CD-RW and much depends :
- on the time it took to blank, 
- on the type of DVD+RW writer,
- on the application
Bottom line : you stand a good chance of being able to recover data with IsoBuster.  Just run IsoBuster free and look for the files.  If they're there, register IsoBuster and extract them.  If the free version can't find the files, the registered version won't either.

More information online: Quick erased (blanked) CD-RW vs. DVD-RW vs. DVD+RW, what's recoverable and how.