Backup Routine for Photos, & Sudden Hard Drive Failure

Started Jul 24, 2013 | Discussions thread
mfait Contributing Member • Posts: 670
Re: The problem with external hard drives..

Sean Nelson wrote:

Ken Seals wrote:

Another possibility is that the controller circuit board on the drive has failed but the internal workings of the drive are still ok. It's much more complicated, but you can replace the circuit board on the drive with one from an identical drive and recover your files.

I have heard that most modern high-capacity drives store spindle-specific operating parameters in flash memory on the controller chip or board, and that board swaps like this don't work on them because the parameters stored on the new board's chip won't work with a different spindle.

I read that as well recently on a HDD parts webpage when I was trying to figure out if it might be possible to bring my son's laptop HDD back to life.  This particular HDD parts place even offered to swap the flash part over to the new donor board if you sent in the bad board.

In the end I concluded the controller board was OK and that getting a new board would not help.  This was confirmed when my son later asked me "if I bumped the laptop pretty hard would it damage the HDD".  It started acting up after this.

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