How Hard Drive Data Get Lost?
When hard drive data is lost, the first thing that you must check is whether it is a physical hard drive problem to stop you from accessing the data, or just a logical problem to cause the data loss like deletion, format or hard drive partition loss, etc. In fact, the latter situation can be simply repaired by best hdd repair software. While to repair the former, you need to send your hard drive to the data recovery service.
Why can data lost from hard drive be recovered? Lost data was not really damaged, even if you have already emptied the Recycle Bin, used Shift Delete, or the hard disk has been standard/quick formatted, or partition is corrupted or lost. Only file system is changed in the disk. Like in a huge library, the books are still on the shelves, only the catalog which recorded the location of books is lost. And the library is the hard drive, the catalog is the file system of operating system, books are the clusters of hard disk.
check and repair disk error in Windows 10
Before trying a third-party hard drive repair software to recover data from a corrupted hard drive, we recommend you to try Windows built-in tool to check and repair disk error first. If it works, you can easily access your data. Here’s how to do it in Windows 10:
 

1. Open Computer, right-click the partition or drive that you want to check and click Properties.

2. Click Tools, under Error-checking, click Check now to see whether there exist any errors in your drive.

3. Select Automatically fix file system errors and Scan for and attempt recovery of back sectors.

4. Click Start.
Data Recovery Software to Repair Hard Drive Data Loss Problems
Wifix-it Data Recovery Wizard Professional is a best hard drive data recovery software to solve all data loss problems including software crash, raw file system, formatted or damaged hard disk, virus attack, lost partitions and other unknown reasons under Windows. It recovers data from formatted partitions with original file names and storage paths.