When using the Speed Data Recovery to recover documents, videos, photos, etc., if some recovered files can not be opened, or with mojibake, or damaged, please follow the following steps below to solve the problem.
1. To check whether the system overwrites the data needed to recover. If the data originated from the system drive, it would danger to recover. Because there are many new temporary data created during system running, randomly writing to the disk and even replacing the data that you are expecting to recover.
To check if you have recovered the files to the same partition, or did you copy the restored data to the same partition. Those operations are likely causing potential data damage.
If you got stuck with the above situation, please restore all the scanned data to other partitions as soon as possible, and reorganize it. Generally speaking, the data without replacing takes a higher chance to recover.
2. To check whether the storage device is healthy. You can examine it by following steps during scanning. Switch to the "File Path", then click "OO Found File" -> "Picture" -> "Jpg". You can preview all the pictures in the thumbnail view. If what you saw is merely the default icon, it indicates the hardware failure of the storage device. Or switch to the "File Path", then click "OO Found File" -> "Document" -> "Doc" or "Xls". You can preview the contents of all files listing in the thumbnail view. If what you saw is merely the default icon instead of the contents, it indicates the hardware failure of the storage device. If your hardware has broken and you want to recover some data on it, we suggest that you follow the following steps. First, bring it to the maintainer for repairing. Second, try our software to recover again. Three, If it still doesn't work, then bring your device to a professional data recovery company to make an individual recovery. If your hardware has broken and it is a portable device, it may be the problem of the computer, card-reader, USB cable, etc. We suggest that you can change a computer or card-reader or USB cable to try.