Possibilities and non-possibilities recovery.
The chances of data recovery on physically damaged disks depend on the condition of the surface of the platters in the disk. If there are no scratches on the platters then all the data can be recovered.
Unistal has state of the art labs and personnel having expertise in head replacements and media transplant techniques. Our lab also have a large stock of old and rare hard disks and spares. The center will have to send these cases to send this disk to Unistal's labs in New Delhi . Time taken for data recovery from such disks takes maximum two working days. Advance of 50% of the recovery cost must be taken from the client. If recovery is not possible, then this advance is returned.
When is a disk said to be logically bad?
A disk is said to be logically bad if it is detected by the setup but system displays errors like:
Invalid drive specification
Invalid partition
Missing operating system
Drive not ready
Invalid media type error
Sector not found
Data error reading file
VFAT error
File allocation table damaged
File not found/missing or deleted accidentally.
The causes of these errors could be because of varied reasons as virus attacks, user negligence, sudden voltage surge, faulty system tools, operating system corruption etc. User negligence is the most common, accidentally deleting files, accidentally formatting drive, incorrect data transfer, incorrect method of backup etc.