If files are no longer readable, often the hard drive is to blame. How to remember it, and what you can do is explained here.
Hard disk errors can cause immense damage. But you can take precautions and in case of doubt also correct them if you notice. We explain what you can do to prevent errors and what to do if the hard drive repair is required. However, it is always a good idea to back up the data before the hard disk gets corrupted.
Different types of errors
First of all, it should be clear what is meant by “hard drive.” For one thing, it’s simply the physical disk itself. Here all kinds of stubborn and sometimes expensive defects can accumulate. On the other hand, this is also the file system of the hard drive that is usually NTFS under Windows and often FAT32 or exFAT for mobile data carriers. Of course, these are not a fixed part of the hardware, but as far as unreadable files are concerned, they can be just as mean.
Besides, it makes a huge difference whether you have an HDD or an SSD use. Hard disk drives (HDD) are the old, large magnetic disks, usually of the order of several terabytes. The data is read in a similar way to a turntable: a customer runs over rotating disks, that is to say, there is a lot of mechanics and moving parts. Solid State Disks (SSDs) are flash memories, which mean huge USB …