Recovering Data from Hard Drive

Recover deleted files from hard disk

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  • 8 min. Reading |

Today’s data recovery tools have no problem recovering your data from a recently formatted hard drive or memory card. If you are following our publications, you may already know how they do it (and if you don’t, you’re welcome to read “Content Aware Recovery and Data Carving Explained” we published two weeks ago). But why exactly is this possible? Isn’t the very purpose of formatting the disk destroying everything on it? Well, not quire. Let’s have a look at what actually happens when you format (or “initialize”) a disk volume.

In a recent article "Content Aware Recovery and Data Carving Explained", I wrote about some of the more advanced algorithms used in contemporary data recovery tools. While these methods are often called “file carving”, “signature search” or “content-aware recovery”, the underlying principle is similar between them. The differences between advanced data recovery algorithms are minor, yet they do in fact affect the end result. In today’s post, we’re going to peek into the future.

Fragmentation. Hurting computer performance and making your files less recoverable, fragmentation can become your worst enemy when it comes to recovering lost data. Why does that happen, what can be done to recover fragmented files, and how to avoid fragmentation in the first place? Read along to find out.

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  • 5 min. Reading |

In the first article called “How SSD Drives Permanently Erase Deleted Data” we described the reasons for SSD drives to erase your data permanently as soon as you erase a file, quick-format the disk or delete a partition. Sounds scary, doesn’t it? However, this is not always the case. More often than not, your files will still be there on the SSD drive, ready to be recovered. Let’s see when this happens.

In the last series consisting of two articles “How Data Recovery Works” and “How Carving Works”, we looked at how Windows deletes files and how information is left on the hard drive and not automatically erased or overwritten. Well, this is not always the case with SSD drives. In this article we’ll see why.

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