The worst thing that can happen to someone who works a lot of time on the computer is a hard drive crash. This is a disaster especially if data backup hasn't been made. Luckily, these days the data can be recovered, that's the good part, and the bad part is that it costs quite a sum. That's why a lot of companies are out there, which offer data recovering services. Some of them use tricks to attract costumers. They ask a low fee at first and after the evaluation the fee suddenly increases. Most of the customers prefer to pay than have it sent back and look for another company.
There exist two important causes which can lead to a hard drive crash. One of them is logical and the other one is physical. You can find out yourself if it's physical or logical; it's not a sure thing but it is usually right on the money. If your BIOS recognizes the hard drive, it's logical. If not, the problem is physical. However, it is best that if you suspect a hard drive crash and you didn't do a backup of your data to turn off the computer and let a professional examine your hard disk.
If you are completely sure that your hard drive has crashed, the best you can hope for is that the problem is logical and not physical. Not only that it could take as long as ten days to recover the data, but in some cases they won't be able to recover it, in case of a physical problem. If it is logical they will try to restore the file system and if they are successful, the hard disk will work as it did earlier. If not, a thorough scan will be done and every file found will be copied. The cause of a logical problem is usually a virus, but it can also be caused if you, by accident, delete some important files.
Having a physical problem means that it will be hard work to recover the data. The parts that were damaged will need to be replaced. In some cases, this won't even work if it isn't done properly. That's why these things should be done only by professionals. If your hard drive crashed, I hope that you will be able to recover your data, because in some cases no one will be able to recover it. However, the percentage of success is pretty high, since almost 85% of the recovery processes are successful.
Source: http://www.ArticlePros.com/author.php?Steve Brench
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