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Corrupt partition & CHKDSK

I have a Win7 HardDrive that is sick, laptop will not recognize it upon boot.  I tried SpinRite, but the machine would not let SpinRite get past initialization.  I pulled the drive, mounted as an external drive to a working machine.  I could see 2 partitions, Main & Recovery, folders, etc.   To correct the sick drive, I ran CHKDSK.  During the CHKDSK procedure I lose power.  GREAT....

Now when looking at the drive, I see two partitions: EMPTY main and F:Recovery.

Can I do anything to restore the damage/erased partition?

I am now running EASUS MiniTool Partition Recovery Wizard...for 14 hrs & 25% done on a 600MB drive...

Assuming the EASUS tool will not yield great results,  any other thoughts on how to recover the damaged/lost partition?

Many thanks in advance....
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arekkusu82
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Thanks all, Kroll is running now.  More to come...
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try a 3rd party tool name "recovermyfiles" to recover files and partitions.
9hrs later, Kroll still running, less than 1% done...over 1,000,000 errors found (lower left corner)....no file names listed in the main window...  estimated time to complete 211 days! I'll let it run.... but not that long!
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Connected via USB to host computer
600mb sata drive
600MB? That's a really small drive by today's standards. It would make more sense if it were a 600GB (gigabyte) SATA drive.

Is this an IDE or SCSI drive? 600MB would make more sense with IDE/SCSI. (And this would be a very old hard drive.)

Also, what is the USB connection speed? And, is it via a drive caddy?
i would NEVER use usb for problem disk drives - since this protocol does not handle errors well.
best connect the drive to a sata cable for diags and repairs!!  10x faster

i also suggest then to run GDB  - and see what it says
you only have to buy it to save the data
nobus, I have to disagree with you in regards to "NEVER" using USB. While I agree that e-SATA is massively faster, I've never encountered any recovery problems with USB. e-SATA is best (fastest), but USB works just fine.
on disk that are ok - yes, but not with problem drives
anyway  -i only posted what I do, and why i do so.
he decides if he wants to spend more time - and maybe forced to do it later as i suggested
I'll leave it to each individual to decide if nobus makes any sense. I have no desire to get into a flame war, so I'll not comment any further with regard to nobus.

I stand by my previous statement 39945546.
hey scott- i don't mind that everybody has it's own opinion, that's why i posted what i would do
thats all- no flames anywhere
downward spiral....Kroll was less than 2% after 16hrs...no found files... aborted... HDD Regenerator (remounted as SATA 640GB internal ) was crashing...

Active Partition Recovery is actually doing something ... I will let it sit and run....folder names are gibberish, but hoping I can salvage something...more tomorrow...
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Thanks all.  Next stop: DriveSavers.  I appreciate the ideas and will have a better approach next time.
i want to put in a good word on gillware also  -it has a good name
check both out for recovery policy, and fee