i have ST3000DM001-1ch166 3TB cc 26 suddenly the pc no see it and i connect it to DDP DFL and i see the all partion i recovery some data but when stuck the hdd power off and on again start again recovery but slowly and another day long time to DDP DFL detect it and try again recovery very very very slowly power off and on again recovery fast and down again and i check same file recovered again by fast now stuck
can heads do this i try to read by each head all same now to detect it again need try over 10 power off and on
thanks

Have you disabled all unnecessary functions in module 93?
What is the head resistance: /7>X?
What is the SMART value of this drive?

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Data recovery Poland (RAID, HDD, SSD) - https://hex-serwis.pl

i will try but the hdd can't get f3

it is better to share full terminal log to understand whats the actual problem.

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Data Recovery Pakistan