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WD Head Replacement Donor Guide

In most WD head swap cases, users just find the same model and PCB number, the success rate is good. Sometimes after head swap, if the read/write ability of heads is not good, try to move the donor head adaptives to patient drive too.

WD20EARX-00PASB0 Head Replacement Tool

WD20EARX-00PASB0 Head Replacement Tool is available within the level 2 head comb suite or WD hdd head comb suite. Model: WDC WD20EARX-00PASB0 Heads map: 0,1,2,5,6,7 SN: WCAZA9366600 Heads number: 6 Head comb to be used for head swap: W3 3

Hard Drive Hardware Data Loss

Hard drive data Loss can be caused by logical failure, firmware failure or hardware failure. Hardware failure contains the following situations: Hard drive develops bad sectors; Power outage damaging the electronic components, PCB burnt, ROM chip damage; Head damage/head contamination; Head crash; Spindle motor; Drive was dropped; Natural disaster .