Wise Hard Drive Recovery Utilities - Version 2.9.1 Why the Deleted Files in Hard Drivers are Recoverable? In many circumstance the lost data can be recovered in a professional manner. It is data remanence that makes hard disk recovery possible. Data remanence means some data are still there on the hard disk drive even though it has been deleted. Have you ever deleted something accidently? Have your hard drive crashed down suddenly and you lost everything? Have your computer been infected by some virus and some files in hard drives disappeared? All these problems can be solved if you have a Wise Hard Drive Recovery Utilities. It is good free hard disk recovery software - Wise Hard Drive Recovery Utilities Free Edition. In some cases, we cannot open a hard driver due to a hardware problem. There might be some mechanical error with the actuator arm. In this situation, you didn't lose your data at all, but you just cannot find it due to this hard disk mechanical problem. However, data loss may also occur due to a software problem. If a file is fragmented, the information is stored in multiple clusters on the hard