If you copy the CD contents directly through the Windows 7 copy and paste function, you will definitely get an error saying “ Invalid MS-DOS function“, a very generic error message that doesn’t even tells you that there is a problem with the disc.
When a disc is badly scratched, that part or sector will become unreadable. However, if your disc player is unable to read your disc and you need to get back your data or photo from there, here are a few tools that you can use to try to get back your data before taking chances in some weird unorthodox methods such as using toothpaste, banana skin, candle wax or even flushing it in toilet bowl that may just damage the disc entirely!īefore you get to the list of programs that can help you recover data from scratched CD, I would like to explain to you how does all these program work. That is why some players seems to get stuck on some discs while it plays perfectly on another. As for most modern disc players, it has error correction and can usually read through fingerprints as scratched surface. If the disc has your finger print or small scratches because of bad handling, chances are old disc players can’t read the disc properly. The only problem with CD and DVD disc is it don’t last forever and also it’s sensitive. This means that if you insert the disc onto any computer, no one including powerful virus such as Almanahe that infects executable files is able to modify or delete the files that are written to the disc. Moreover, writing your files to discs as backup does have another advantage where the data are read only. A CD-R can store up to 700MB of data while a DVD-R contains 6 times more space than a CD-R. Discs are one of the best media that can be used for backup purposes because they are relatively cheap today.
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