Aksis BG Varna
Support of computer and television equipment
Fast, quality, affordable prices
Aksis BG Varna
Top level services and repairs
Fast, quality, affordable prices
Useful information

Recovering data from hard drive - a complex and slow process

It is important to be known that there is a fundamental difference between the concepts hard drive repair and data recovery.

Repair of HDD - actions for restoring the hard disk like a device, including scanning the surface of the hard drive, hidden defects, testing of the magnetic heads for reading and writing.

The ultimate goal of the repair works is fully operational hard disk. In case of mechanical damages of the controller whether restored or replaced with a going one, it is necessary checking the hard disk's efficiency.

Data recovery - in this case all the measures are aimed at reading the data and transfer them to another carrier.

As a rule, data recovery is their copying by sector from the inefficient carrier and transferring them to a going one, as for the proper and correct reading of the unreadable sector is necessary to select a copy mode, individual for each particular hard drive or other data carrier.

Always in data recovery is necessary to approach individually, although apparently in many cases the tasks are with similar algorithm.

Major problems that lead to data loss from the hard drives:
- problems with Seagate 7200.11.
- missing operating system OS of the hard disk
- destruction of a magnetic layer and problems with the heads of the hard drive
- missing system area in the hard disk
- deleted files by mistake
- data recovery after formatting the hard drive
- problems with logical partitions of the hard disk.

What it is not recommended to be done on a hard disk in case of failure, in the necessity of data recovery:
1. To run various programs (CHKDISK, SCANDISK), if you do not know the cause of the failure in the corresponding hard drive.
2. Repeatedly to turn on and off the damaged hard drive when anyway it is clear that it is malfunctioning. As a result, the inefficient hard disk can fall in a critical condition from which it can not come out.
3. To mount controllers from other HDD to your faulty hard drive, if you are not confident that this is acceptable for the type of the device and will not lead to permanent data loss.
4. In the event of a partial loss of data, to leave running in the system hard drive, as even a casual recording made on the missing information will lead to its partial or total destruction. Even if you are sure that you record elsewhere, this can lead to an inability for recovering the necessary information. If a lost information is not visible, the system determines its disk space as free and available for recording.
5. To analyze the damaged hard drive for the presence of a magnetic surface, and especially to open the hermetic unit.
6. To re-solder details on the controller of a corrupted hard drive, if you are not sure that the reason is exactly a bad connection.
Hard drive data recovery


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