Description

Introduction
Data recovery software contains logical layer and physical layer recovery function, the logical layer recovery generally refers to accidental deletion, false positive clones and false format, partition loss, virus infection, and so on, physical recovery is defined as data loss due to hardware physical injury recovery, such as: motor stuck, bad physical hard disk, computer does not recognize, head shifting, etc.

The free data recovery software is very common, frequently used which have Winhex,FinalData,EasyRecovery,R-STUDIO,recover my file, DiskGenius,Rcover My Photos, and so on, on google typing “data recovery software” can be found many similar tools, main can handle these logical failure causing data loss.

Physical data loss from failed professional-grade data recovery tool has Russia ACE that PC3000-UDMA (Data Extractor) deal with branded hard disk physical failure, PC3000-FLASH physical failure are mainly processing a variety of media in chip stores, such as u disk, various types of memory cards and solid state drives. PC3000-SCSI can deal primarily with SCSI hard disk physical failure. Data recovery tool is mainly efficiency source of domestic production of specialized source FLASH data recovery master series and DATACOMPASS efficiency, its function is approximately the same as Russia PC3000 series. These are professional data recovery companies and large enterprises that are equipped with professional tools, usually with software and hard drive two-part.

Problems need attention in data recovery

In the data recovery process, the deepest fear is to cause secondary damage for misuse, which will cause recovery recover more difficult. What is more, writing new data on original disk is prohibited.

Do not DskChk disk checking. After file system showed error, system power on automatically when you go to the start screen, you are prompted to check disk needs to be done, DskChk disk will be checked default after starting operations in 10 seconds, this operation can sometimes repair minor damage to the directory file, but it will often corrupt the data. Because it can not repair the complex directory structure, after a failed repaired, FOUND.000 directory will be formed in the root directory, which has a lot to. CHK file extension. Sometimes a change of name for the file can be restored, sometimes it will be ruined, especially a FAT32 partition or NTFS than has larger database files, and so on.

Don’t format the partition again. User format partition type after the partition changed in the first time, resulting in loss of data, such as the original that is FAT32 partition will change NTFS partition or partitions formatted with the FAT32 partition is NTFS. After the loss of data, using normal software cannot scan the directory format, once again, format the partition type, and then to scan data. We point out is that 2nd format the original partition type is a serious mistake, it is very likely to damage the date that could have recovered some large files and cannot be recovered permanently.

Do not recover the data directly to the source disk. Many common customers delete a file, the usual software recover restore files directly to the original directory, which is likely to destroy the original data, so strictly forbidden to restore directly to the source disk.

Do not rebuild partition operation. The partition table was damaged or partition was deleted, if you rebuild the file directly or format the partition by using the partition table the reconstruct tool, it is easy to destroy the original partition of file allocation table (FAT) record or file table (MFT) and other important areas, resulting in greatly increased recovery more difficult. We met too many customers in the partition table failure in the recovery process, the first tried some partitioning tool cannot recover data after thought turn to professionals for help, the results we found in a variety of partitioning tool after used the recovery software, destroyed a number of important catalog files, resulting in document catalog recovery is not complete, some large files cannot be recovered. Case-by-customer profile partition is lost in the first place, these files can generally be fully restored, it’s really a pity. Professional data recovery before rebuilding the partition table will first locate the specific partition locations (logical sector number), and then use the view tool to check partition sectors of several important parameters such as DBR/FAT/FDT/MFT, confirmed after modifying the partition table, and after you modify the partition table in the process of booting the system prevents the system to do dskchk damaged partition di

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