I have a Seagate with 8 heads. 7 good 1 bad. I have tried all sorts of combinations to read from the last head, but the only thing that get the last head reading again when it reaches a bad sector is to repower the drive. Technically, why does this work when everything else fails?? Seems very stressful on the drive.

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HDD, SSD, Flash and RAID Data Recovery
Founder of The Data Recovery Professionals Group

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A backup a day keeps DR away.

Don't get this particular error message, but its great reading and much appreciate the link. Tried to register on HDD Oracle a few times but never got a response (even by PM on this forum). Probably upset the wrong people LOL... Its a shame as HDD Guru has a bad reputation and being relatively new to DR I can see why. HDD Oracle seems to have very detailed responses to questions and is targeted towards people who want to learn. Still, I will accept help from any source as i am keen to learn.

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HDD, SSD, Flash and RAID Data Recovery
Founder of The Data Recovery Professionals Group