Do not use TREX 2 on any WD Pro drive containing critical data. For firmware repair with zero-risk, clone the drive to a donor PCB + ROM swap using firmware tools rather than raw TREX scripting.

If you are trying to repair a drive yourself, standard tools like or HDDScan provide safer, GUI-based options for checking health and remapping bad sectors without the risk of destroying firmware.

WD HDD Pro Repair Trex 2: A Professional Guide to Western Digital Firmware Repair The WD HDD Pro Repair Trex 2