Two types of data that are most difficult to recover and precautions for data recovery

Nowadays, many people have learned that they can use data repair tools to retrieve and delete files after deleting a computer hard disk file, but this does not mean that they are omnipotent, it is difficult to restore two types of files after they are deleted.

1. It is difficult to restore the deleted compressed file

Many friends like to organize files and use compression tools to compress many files, which saves space and facilitates management. However, compressed files have one drawback: Once a compressed file is lost, even if only 1% of the data cannot be found during data recovery, the entire compressed file cannot be recovered and the content cannot be read at all.

In addition, not all files are compressed to greatly reduce the volume, and files such as MP3 and jpg files are themselves compressed. Even if they are compressed again, the volume will not change significantly. Therefore, compressing these types of files may not only lead to retrieval failure after loss, but also result in more than half of the effort.

2. The recovery success rate of "Bulk Header" files is low.

Large files occupy a large amount of hard disk space, and the probability of being overwritten after deletion is also high. Therefore, the recovery success rate is also reduced accordingly. Experts suggest that large image files, video files, and disk image files (such as Ghost files) should be properly stored. Once deleted by mistake, the system will shut down immediately and ask professionals to help restore the problem.

Notes for deleting a file

First, stop reading and writing the computer, and store the data in the hard disk, just like putting things in a small room in the warehouse. After the user deletes the data, he just adds the "delete" mark to the "room" address, the data is not cleared. Only after the new data is saved to these "Rooms" Will the previous data be overwritten. Tools such as WINDOWS V1.0 for data restoration software for North Asia are based on this principle. You can retrieve accidentally deleted data before overwriting new data.

Therefore, it is easy to understand the principle of "Stopping all data read and write operations immediately after data is lost.

Secondly, if users are not familiar with computers after data loss is particularly important, it is recommended to go to a recovery company like Beijing North Asia data recovery center for manual recovery. If users have basic knowledge about computers, you can download and install our North Asia data recovery software WINDOWS professional V1.0 software.

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