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Robert Perez-Corona
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Recover data from Win 7 BSOD SATA HDD Unmountable boot volume

Hello,

I was called in to take a look at a HP PC from 2006 which belongs to the president of a company. Sadly, the user saved all company data on this computer and possibly never backed up his pc.

The machine has a single 500gb sata hdd and it seems to be unmountable. I removed it from the PC and connected it to my laptop using a SATA to usb coverter. After 10 minutes of the drive buffering and trying to mount the volumes on my laptop, the volumes show up in disk management. However, when I click on the volumes it says I have to format the drive before I use it. I can’t do this as I am trying to extract the desktop data.

With the HDD in the original PC, when I try to put into safe mode it either crashes with a 00ed Unmountable boot volume Blue screen or if I try to boot into the recovery environment after pressing f8 I receive an I/O error 0xc00000e9 at the windows boot manager screen.
When I try to boot from my win 7 install media DVD it takes about 2 hours to extract and load the install screen where I can choose repair install and open command prompt. Actually the first time it took 2-3 hours. I haven’t been able to load this screen any more, it stays in a black screen after the windows splash screen.

Anyhow, the first time I tried run the bootrec /fixmbr commands, from the X: it could not find the commands..if I executed a wmic logicaldisk get name command I don’t see the Windows C: volume there either.

The big question:
If possible, how can I recover the desktop data from this drive?
Windows 7Storage HardwareMicrosoft Legacy OS

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Robert Perez-Corona

8/22/2022 - Mon
Jaroslav Mraz

Hi coud you try some tools like Get data back?

https://www.runtime.org/data-recovery-software.htm

try to test it with free version IT can read from damagdet disks. Just select damaged disk profile.
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rindi

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David

Don't waste ANY time running above software.  Disk is 10 years old, and well beyond useful life.  As such, every moment the HDD is powered up risks further data loss.   Get on the phone and look for a local data recovery firm.  If you are in a major city likely there are 24x7x365 companies you can drop the device off, and they'll give you a free estimate.

Then let your boss decide if recovery is worth the money.
Danny Child

Warn the guy that he's looking at a 4 figure repair bill, most likely.  If he doesn't like the actual estimates, by all means try GetDataBack - it's got data off at least 4 dead disks that I've ever worked with, but takes normally overnight to scan them.  
Make SURE he knows that there are no guarantees here, and that it's *his* choice to get you to run the cheaper, riskier recovery option.
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James Murphy
Adam Leinss

Yeah, we just sent several of these drives into Ontrack Data services.  We got 30% of the data back for $1300.  The other drive we sent in was less than 1% recoverable, so we will likely pass on that $1300 bill.

By the sounds of it, the drive is toast and as stated above, you have to send it out to a professional data recovery center if you want any data back from it.
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noxcho

The drive has file system driver corruption. You can offer to your user a choice. Either he decides to pay 0000 sum of money for data recovery at special service or tries first to scan the drive with GetDataBackup www.runtime.org and sees what you can restore. If GDB fails then there is only way is using recovery service.
But imho, your case does not look so bad. The drive detects and shows the volumes at least. Due to corrupt NTFS driver it fails to mount as NTFS volume.
So scan it - copy out data if possible then perform CHKDSK f:/r on this drives' partitions.
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David Anders

Sometimes, accessing the problem drive from a Linux or Macintosh OS will allow simple copying from a drive that causes Windows to choke. I have done this successfully more than twenty times. It depends on the damage on the drive, of course.
Using a routine or utility that ignores read errors is recommended.
The reverse is sometimes true, a problem Mac drive recovery done on Windows.
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Robert Perez-Corona

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Thanks for the solid feedback.
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nobus

did you run HDDReg yet?  you can try the free trial, and see if it fixes the first sector
Robert Perez-Corona

ASKER
i ended up been able to recover a windows backup from a partition. I installed a new drive and then restored the windows backup.

For some reason the windows backup was the only data I was able to see on the drive.
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rwheeler23
nobus

tx for posting the outcome
Robert Perez-Corona

ASKER
anytime

also forgot to mention: How i was only able to see this partition data available when plugged via usb. I had issues mounting the drive using sata on my mobo.

But basically drive d: had these windows backups files. c: was empty

cheers