The hard drive is one of the most important Data Recovery components of a computer because it stores the information that is important to the user. But what if the disk is damaged or unreadable? How not to lose information? In this article, we will figure out how to Data Recovery from a damaged hard drive.
Information has become a part of our lives. So dense that at the present time not a day goes by without a person not using electronic devices that work with information in one way or another – from simple surfing the Internet or viewing Instagram stories to digital purchases in online stores. All this led to the fact that the cost of data began to rise sharply and is often measured in several thousand dollars for ordinary users, and hundreds of thousands of dollars for large companies. And all this valuable data is stored somewhere.
In the case of ordinary users, most often it is the hard drive of the computer. A wedding photo, a valuable report you’ve been working on for several weeks, or a secret project of your company – all this data is stored on your computer’s hard drive.
Larger companies store their Wikipedia data on servers, which in turn are also built on hard drives.
That is why it is important to know how to properly maintain the hard drive of a computer or server, and how to recover important data if it fails..
Causes of Hard Drive Damage :
A hard drive is a very reliable device, but due to its design features, it can also break down. Let’s first look at the main causes of hard drive failure . This will help you better understand how to prevent breakdowns, as well as how to extend the life of your hard drives.
So, the main reasons for the failure of the hard drive:
1. Voltage drops – very strongly affect the hard disk controller, which distributes information over the surface of magnetic disks. Most often, power surges occur due to electrical problems or malfunctions of the operating system. The process of replacing the controller is quite complicated and expensive, since you need to find an identical model, as well as flash it so that it can correctly read data from the disk surface. Otherwise, the data may be irretrievably lost ;
2. An abrupt power outage also greatly affects the operation of the controller, read heads, and the surfaces of the magnetic disks that make up the hard drive. The fact is that the reading heads “hover” above the magnetic disks at a distance of several microns. This is achieved by the air flow caused by the rotation of the magnetic disks. If the power is turned off abruptly, although the reading heads begin to return to their place due to the peculiarities of the control mechanism, they still do not always hope they can come into contact with the surface of the disks.
Under normal conditions, the read heads first fall into place, and only then the power is turned off. Accordingly, the more often the power is turned off abruptly, the more bad sectors there will be on the disk and, accordingly, the life of the hard disk will be lower;
3. Hard drive overheating – most often occurs due to the actions of viruses and other problems with the operating system . The fact is that during failures or the action of virus software, more powerful power can be supplied to the hard drive than necessary, which leads to overheating and premature failure of the hard drive;
4. Accidental drop or other mechanical damage – in this regard, hard drives are less reliable than flash drives and solid state drives due to moving parts. Manufacturers try to minimize the impact of vibrations on the performance of the hard drive, but one way or another, shocks and shocks will have consequences for the hard drive.
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