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There is an article about recovering deleted photos/videos from SD card. But sometimes you may find the recovered files can’t be opened or show crack. How did this happen and how to recover corrupted files after recovery? Before data recovery, there has been an emphasis on banning data writing. Otherwise the missing data will be overwritten or partially overwritten to cause failed recovery and corrupting files. The other case is files got corrupted due to virus infection. Or the device that has bad sectors may also corrupt a file. Here are some basic methods and repair tool to fix corrupted system and personal files. File corruption cases:
1. When opening a file, it shows "The file is corrupt and cannot be opened".
2. Files show crack after opening it.
3. Files are scrambled or damaged.
Repair Corrupted System Files Using System File Checker
The role of this program is to detect system files. If detected files have been covered by incorrect file, it will extract the correct system files from system backup (dllcache). So this method only works when you make a backup of the system.
Step 1. Type “cmd” in the search box and press Enter.
Step 2. Type “sfc/scannow” and press Enter. Don’t interrupt this windows until the check completes.
Step 3. After the process is finished, it will prompt “Windows Resource Protection found corrupt files and successfully repaired them”. Then you can close the windows normally.
Repair Corrupted Personal Files/Photos/Videos with Repair Tool
What if personal files are corrupted? Such as Word, Excel, PDF, Photo, Video or other files. There are specialized repair tools to fix this error. But success depends on the extent of the damage. And there is no guarantee that it will work. Before you begin to fix the file, it is recommended that you take a backup and fix with the backup to avoid failure. Just make it clear that some data recovery software claim to recover corrupted files, but actually they recover files from corrupted storage devices. The two are completely different.You can try the trial version in case of wasting money. Besides, Windows built-in "Open and Repair" could be used to repair corrupted Word and Excel files. Here are some useful repair tools:
1. Recuva
Though there are some complaints that Recuva is useless, you can still give it a try for minor corrupt.
2. Stellar File Repair
Stellar File Repair is a range of software, including JPEG repair, video repair, database repair, Excel repair and email repair, etc.
3. Hetman File Repair
This software focus especially on image repair.
4. VLC
VLC is not only a media player for watching videos, but also an application to deal with corrupted video files.