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Is there a way to recover data from a hard drive when it's not detected anymore by the PC?

I've looked around and all the solutions seem to assume that the hard drive is still detectable.

How can I do this?

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Maybe this will help: [superuser.com/questions/1078/… –  Sivvy Nov 13 '09 at 15:03
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3 Answers

up vote 5 down vote accepted

Sometimes deepfreezing it will allow bits to move back into place for long enough to get data off.

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Thought you were pulling our leg there for a second. Then I googled it. Weird. –  Manos Dilaverakis Nov 13 '09 at 15:07
    
Yeah, sounds like a load of rubbish, but apparently it can help –  Xetius Nov 13 '09 at 15:45
    
That worked like a charm, thank's :D –  andreas Nov 18 '09 at 3:40
    
Freezing does work, but I think it has more to do with the spindle shrinking just a bit more than the platter, allowing the platter to move more freely, and less to do with "bits moving back into place" –  Joel Coehoorn Jan 22 '10 at 17:36
    
I've had good luck with this. Remember to act fast.. You are racing against the drive heating up. Don't try to grab the whole drive in one shot. Do a folder at a time. Then if the driver stops working freeze again and start where you left off. –  Chris Nava Dec 2 '11 at 5:30
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A quick google search provides the follow:

How to Recover Data From a Dead Hard Drive

Recover a Dead Hard Disk

How to Recover Dead Hard Drive Data

It's also possible to find software that will take a dead 'as in non-detecable' harddrive and do a slow deep level scan of the drive and recover data from it.

Good luck!

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If it doesn't spin up, it's time for the professionals. They will need a clean room to open it up.

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