Almost all logical failures can be recovered without the need to open the hard drive. The most important is that don’t cause a second damage to your patient hdd.
Logical failure is when the computer’s BIOS can see your hard drive, but for some reason can not access the data on it. It may not be able to mount the partition or Windows may simply report that no drive is present at all. Logical failure can be the easiest or the most difficult recovery job depending on the circumstances that leads to logical failure.
Hard drives with logical failure usually appear with the following symptoms:
* Frozen Computer: While working on your computer, it gets stuck and you can not do anything on it. To overcome this problem, you need to perform hard reboot (using the reset button) of your system. It could be due to virus infection or missing system files. It is a type of logical hard drive failure.
* Missing Files or Partitions: When you boot up your computer and try to access data from it, you may find that some of your critical files and/or hard drive partitions are missing. The problem might be because of factors like accidental deletion or file system corruption.
* The hard disk will spin up when the computer is turned on.
* Typical failures include a blue screen, a SMART error, incomplete boot up.
* In general the hard disk should not make any excessive noise.
* In the most extreme cases logical failure can include a hard drive that spins up fine, but is not even recognized by the computer’s BIOS as being present.
BY learning all the possible symptoms of hard disk logical failure, you are able to get well prepared for predictable computer system crash and backup your data before it is too late.
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