![]() I think the best selling point of this tool is that it's free. So we'll just focus on how nice they are to use. It may be somewhat hard to say how good they actually are at repairing bad sectors but as we already know, the process is hardly rocket science. The first one is free to use, and the rest are shareware. I'll cover Disk Heal, Hard Disk Sentinel, and PC Tools Disk Suite as well-known examples of this type of software. All the software fixers repair those in the same manner: the damaged partition simply gets overwritten with zeros. Logical errors, however, or soft bad sectors, can not only be repaired, but you can also prevent them to some extent. Since we are going to speak about software tools that can help you recover bad sectors on your HDD, hard bad sectors (caused by physical disk damage) are out of our scope besides, these often can't be repaired at all. Viruses may damage your hard drive and thus cause loss of data in damaged sectors. Usually it is easily avoidable, unless you're facing system errors and have to force-reboot your PC. Next is the abnormal shutdown of your PC. Unfortunately, this cannot be helped, so it's entirely up to your luck. ![]() Let's make a quick rundown of what causes bad sectors to appear.
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