How To Recover Deleted Files From Hard Disk – The convenience of external hard drives is undeniable. They allow us to carry terabytes of data with us wherever we go, they can be easily shared between multiple devices, and installation is a breeze. Because of their ubiquity, we rely on them so much that we rarely think about how fragile external hard drives can be.
How many people know how to recover files from external hard drives and how many panic because they don’t know what to do? If you know how to recover data from an external hard drive, you have a much better chance of preventing the worst and turning around a potentially disastrous situation.
How To Recover Deleted Files From Hard Disk
The aim of this article is to describe common hard drive problems and different ways to solve them using external hard drive recovery software.
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Before you go online and download the first data recovery tool you come across, take a moment and let us outline some of the most common causes of hard drive failure to help you solve the underlying problem successfully.
By using the wrong hard drive recovery tool, you can exacerbate the problem and lose the opportunity to recover data. But before we get into the most common causes of hard drive failure, we first need to go over how hard drives work.
Inside every external hard drive is a group of sensitive components that record data in the form of magnetic patterns formed by groups of magnetized metal grains. These grains coat a circular plate that spins at 7,200 rpm, at least on consumer discs. Each wafer has its own read head which hangs a few nanometers above the surface of the wafer, writing strings of bits that are converted to disk using an electric current fed through an electromagnet.
Attached to the bottom of the hard drive is a printed circuit board that houses the main controller chip and many other electronic components that control the operation of the headers. One of these electronic components is a small memory chip that stores firmware, which is a permanent piece of software that provides necessary instructions for how the hard drive communicates with the rest of the computer hardware.
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Software data loss is most often caused by poorly written software programs or unfortunate user errors. Every day, important files are lost because someone decides to empty the recycle bin without checking if there is anything important in it.
Common to most software data loss cases is the ability to recover. There are many effective data recovery tools that can be used to recover external hard drives after data loss software without expert knowledge. In the next section, we recommend 11 of our favorite external hard drive recovery tools.
This often occurs after a sudden power surge. Inside the hard disk there is a special diode that acts as a fuse. Power surges can cause these diodes to burn out, causing the hard drive to appear dead and all data lost. It is usually sufficient to replace the printed circuit board (PCB), which can be done under normal conditions without opening the hard drive case.
Frequent clicks indicate serious damage to the hard drive. They occur when the hard drive is unable to return the rear/recording heads to their original position. The heads can get stuck in the platter, scratching it hard when the disc controller tries to move it. A scratched plate usually means permanent data loss.
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The hard drive may beep when it tries to spin the platter, but it won’t. This can happen because of something known as a trap. Because the distance between the hard drive heads and the platters is so small, they can actually stick to each other. A hard drive recovery service center with a well-equipped, dust-free laboratory will solve this problem at a great price.
When your computer recognizes your hard drive, but you can’t access the files stored on it or load the operating system, it often means that the file system is corrupt. The damage can be highly localized, possibly affecting only the boot sector, or it can be widespread. The good news is that a data recovery tool like Disk Drill can easily recover data from an inaccessible hard drive and help you find escalating file corruption before it gets out of hand.
If your computer can’t detect a hard drive you know is good, it probably means it’s not compatible with your motherboard. This shouldn’t happen when you’re dealing with a typical desktop hard drive plugged into a regular desktop computer, but it can if you’re dealing with exotic server hardware or old hardware.
During the Windows XP era, there were many computer viruses designed to cause as much damage as possible by erasing data stored on hard drives. Fortunately, this type of malware, short for malicious software, is much rarer today, but it’s still a huge threat. In recent years, ransomware has become one of the biggest causes of data loss, encrypting important data and demanding hefty ransoms to decrypt it.
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Programmers still make many of the same mistakes as they did a few years ago. The same goes for computer users. Therefore, it is common for files to suddenly become corrupted and as a result they cannot be read. In some cases, corrupted files can be repaired with affordable and easy-to-implement tools and methods, but this is not always the case.
Even the newest and greatest hard drives are not immune to physical damage. While today’s SSDs are far more reliable than traditional SSDs because they have no moving parts, it only takes one blown transistor to turn a perfectly good hard drive into a useless brick. Since repairing a physically damaged hard drive with your own hands rarely gives the desired result, it’s better to call a professional and hope for the best.
Let’s take a closer look at how to recover files from a hard drive that has experienced one of the common types of hard drive failure described in the previous section of this article. If you choose the right recovery method, there is a good chance that you can get your files back.
Data recovery software is the best choice to recover data from logically damaged hard drives. In this article, we list 11 of our favorite hard drive recovery tools and advise you to make your own choice. For the purposes of this recovery guide, we’ll focus solely on the number one hard drive recovery tool we know: Disk Drill.
Free Hard Drive Recovery
Disk Drill works on Windows and macOS, and the free version allows you to view an unlimited number of lost files. Since Disk Drill has a modern and intuitive user interface, it is suitable even for novice users whose understanding of data recovery is limited by the information provided in this article.
As you can see, data recovery with Disk Drill consists of three simple steps, so you have absolutely nothing to fear, especially considering that Disk Drill can preview all deleted data for free.
Unfortunately, not all data loss situations can be resolved at home with DIY data recovery software. In some cases, such as when you are dealing with a physically damaged hard drive, you will need to turn to a data recovery center such as SalvageData and let professionals with advanced equipment and extensive experience handle the recovery for you.
Contrary to what many people think, professional data recovery does not cost anything. In fact, most legitimate companies only charge for the data and deals recovered, so you don’t have to worry about spending hundreds of dollars and getting nothing.
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Especially when it comes to data loss caused by file system corruption, it is often possible to recover lost data using manual hard drive recovery patches. We’ve covered many effective fixes for Mac SD card and hard drive recovery in the past, so we won’t be listing them all here. Instead, here are just three manual hard drive recovery fixes that are likely to produce the desired results:
All Windows computers are equipped with the CHKDSK utility, whose purpose is to check the volume file system integrity and attempt to repair logical file system errors. Although CHKDSK doesn’t have a graphical user interface, it’s surprisingly easy to use:
Mac users can’t use CHKDSK to repair a damaged hard drive, but they can use something better: Disk Utility’s First Aid feature. As the name suggests, First Aid is designed to diagnose and repair malfunctioning storage devices. Since it has a nice user interface, it’s self-explanatory, but here’s what you need to do in a nutshell:
Even professionals sometimes make mistakes, and this also applies to software developers who are responsible for hard disk drivers. Corrupt or damaged drivers can make your hard drive unusable or
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