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Does anybody know a good software tool to scan and repair sectors on harddisks (an alternative to the standard that is included with windows e.g. scandisk/chkdsk)?

I know already about all emergency/ultimate boot cd's, I am looking for a tool that is not on one of the boot-cd's.

Thank you, Kindest regards, Marcel

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closed as off-topic by bwDraco, random Jan 20 '15 at 14:31

This question appears to be off-topic. The users who voted to close gave this specific reason:

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up vote 1 down vote accepted

I've used and swear by GRC's Spinrite for years. It tries to recover data from the faulty sectors before remapping them (unlike chkdsk).

"By operating directly upon magnetic storage media at a level below any installed operating system, this major milestone release of SpinRite is able to operate on all Windows XP NTFS formats, all DOS FAT, all Linux file systems, Novell, Macintosh (if temporarily moved into a PC) or anything else — it can even be used to repair and recover the hard drive from an ailing TiVo!

SpinRite v6.0 achieves complete operating system independence by incorporating the FreeDOS operating system. This allows it to be used on any and all Intel/AMD PC systems. As you can see from the Windows screen image above, SpinRite 6.0 can create a bootable diskette or generate a standard, CD-R burnable ISO file to create a "SpinRite boot CD". A bootable SpinRite can also be "installed" into any other motherboard bootable devices, such as USB flashdrives for easy, portable booting and use."

I've made more than one drive stop 'clicking' long enough to copy data off it with this beauty. :)

It's not free, but it's only $90 to buy; which is probably less than the value of the data you're trying to save. :)

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Stopped in to also recommend Spinrite. This has been a life saver on more than one occasion. – OldElfin Mar 14 '10 at 21:56

I use IOBit Advanced System Care Free. However, I used to with that method simply.

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Piriform Recuva is very powerfull FREE and simple program for files recovering.

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