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Please give me details of software for data recovery and to remove bad sectors.

Sai Investments

There is quite a lot of data-recovery software. However, getting a reliable one free is difficult. Here's a list of data-recovery software that you can download.

VirtualLabData Recovery 2.1.7 -: http://download.com.com/3000-2094-10174770.html?tag=lst-0-1,

Drive Rescue -: http://www.free108.com/softwares/DLcounter.asp?id=141,

Disk Investigator -: http://www.theabsolute.net/sware/dskinv.html.

Actually it is not possible to recover bad sectors that are caused by physical damage. There are bad sectors which are caused otherwise. Basically, what a normal disk scanner will do is that it will detect bad sectors on the disk and mark them `bad' so that the OS will not use that any further for disk storage.

However, a low-level format will ignore such markings and do a format that will fill up the entire disk with `0'. Thus all previously bad sector markings will be removed, but this does not mean that the bad sectors have been recovered. The bad sectors caused by physical damage will pop up again and cannot be recovered.

Here is a list of URLs from where you can download low-level formatting utilities

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