External Hard Drive My Book WD6400H1U not working

@Quebecer

if your drive is not spinning it could be 1 out of 6 things. From easiest to hardest to deal with:

  1. USB cable or USB port is bad, so try another cable and another USB port and see if your drive would spin up.

  2. USB adapter in the MyBook is bad, since your drive is most likely encrypted you wont be able to bypass it. You would need to hunt down the same USB adapter as you have now.

  3. PCB on the drive is dead. So check if your PCB has an EPPROM on U12 position (that chip would have to be moved onto a working donor board to adapt it)

  4. heads could be stuck to the platters, I would not recommend solving this yourself. Risk is extremely high that you will make it worse.

  5. Dead preamp sometimes would prevend the spin up process on these drives. This is only for data recovery companies to deal with.

  6. Highly unlikely but the motor could be either burnt or seized. Again, this is cleanroom/laminar flow work that is for professionals only 

1,2 are easy enough to do yourself. 3,4,5,6 would have to be sent in to the data recovery lab.

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