![]() This means that all your data are still exactly where they were before the format, but you just can’t get to them because your OS doesn’t see them.īest hard drive recovery software solutions don’t care about the map, as they carefully analyze the actual disk structure and create a map of their own. When you accidentally format a memory card or hard disk, all that actually happens is that your operating system erases the map of sectors, marking everything as empty. Spot these two sequences, and everything between them is your image - an easy job for a computer. So, if there’s nothing but ones and zeros on your disk, how can your computer distinguish one image from another or a song from a document? Easy, each file and each file format have markers that mark where it starts and ends, known as file signatures. And with them, we can fly drones, land on the moon, play video games, and talk to our friends on the other side of the world. Luckily for us, this binary system is all we need to represent text or computer processor instructions. In other words, a switch can be either on or off. You probably know that computers see everything as a series of zeroes and ones. ![]() You can read a much more detailed explanation of all aspects of file systems on Wikipedia, but for our purposes, the only thing left to explain is how individual files are stored on a disk. When you need to save a new file, your operating system simply takes a quick look at the map to see which sectors are still free. What you need to know is that each storage medium comes with a small part that stores a map of all sectors, which are just small parts where information can be saved. ![]() For the sake of simplicity, we won’t explain how data are physically recorded and retrieved – not only would it warrant a separate article, but the method is also different for each storage medium, such as compact disk, memory card, and solid-state disk. To understand how data recovery works, we first need to have, at least, a basic understanding of how data are stored on a storage medium. It most certainly can, and there’s someone out there right now who is in full panic mode, thinking, “how the heck will I ever get my files back”? How Does Data Recovery Work So, don’t think that that USB drive you like to use for backup can’t fail or become corrupted, as well. It also says, “If nothing can go wrong, it will”. Do you really have all your data safely backed up online, or do you use a service like Dropbox or Google Drive only for a small portion of your files? And what about situations when you need to work for longer periods of time without an internet connection? Murphy’s law says the worst happens when you least expect it. Consider that every week 140,000 hard drives crash in the United States, leading to 31 percent of PC users experiencing a complete data loss, according to Pivotal IT. But what about home users? Data loss is surely not a big deal with modern cloud storage solutions, or is it? On those rare occasions when it happens anyway, a reliable data recovery software could be the one thing that saves the company from bankruptcy. ![]() But even when they eventually manage to reopen, the average cost of downtime is still between $74,000 and $800,000, depending on the size of the company, reports the Aberdeen Group.įor businesses, the answer is clear: data loss is something that must be avoided at all costs. Yet, the Business Planning for Disaster Survival report from Chamber101 states that “40 percent of businesses do not reopen after a disaster”. We’ll also compare some of the best data recovery software for Windows and Mac to leave you fully prepared for an unexpected loss of data.Īccording to the 2013 Harris Interactive poll, 30 percent of computer users keep all their data stored in a single location. The process is actually not that complicated, and we are confident that you won’t have a problem explaining it to someone else by the time you are done reading this article. Data recovery is not some black magic as it may seem when you don’t understand what’s going on under the hood. ![]()
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