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I have hard disk which is not detected in bios and also in disk utility. I've tried to mount in another system, still same issue and also tried to mount in Windows still same issue. I've used ddrescue in past but it was in case where hard drive was detected.

How can I recover data in this case?

d a i s y
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1 Answers1

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What you have is a broken SATA drive (a hardware problem and technically off-topic here, but I'll let it slide as it's an issue occurring a lot) and now it depends where the problem is:

Disk platters:

Disk platters

  • Professional dust-free room repair only, sorry!

OR

Disk controller:

Controller Board

  • Buy an identical second-hand working one on e-Bay
  • Remove its controller board
  • Remove your HDD
  • Remove its controller board
  • Add the "new" controller board
  • Reinsert repaired HDD

How do you know which of the 2 problems you have?

Disk platters:

  • Ticking noises before it gave up completely
  • Higher pitched tone before it gave up
  • Doesn't spin up, but gets extremely hot

Source for controller pic
Source for Disk platter pic

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Fabby
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