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100% Data Recovery From Clicking Hard Drives With Bad Sectors In SA
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Patient HDD ID:
Model: WD3200AAJS-00L7A0; Serial Number: WCAV2K523946; PCB 1590 Series

When the hdd was received and it was clicking, by listening to the clicking hard drives, the engineer can tell it’s one head damaged hdd. For users without enough experience, users can use our force loading technology to judge whether it’s firmware clicking or head-related clicking.

Users can always compare the good drives’ working sounds and patient drives’ working sounds, when you listen to them more, it’s easy to tell them from each other.

The engineer found one donor head from one good hdd of the same family (same PCB number and same head number are recommended.) After installing the new heads, the patient hdd stopped clicking but the model was not detected. Luckily the engineer was able to read the tracks by filling in a correct SPT value manually. The engineer extracted the modules from the tracks and the good news was that the key data recovery modules are good.

Next the engineer tried twice to write different donor firmware modules to the patient hdd (format sa-write 01-power off/on-write all other modules) and was trying to make it recognized but failed (it got sometimes recognized but after power off and on, it was not detected again), and the data area could not be accessed. The reason was the write failure of module 31.

Read full case study here: http://www.dolphindatalab.com/how-to-rec...ors-in-sa/
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