This process will permanently delete all data on the drive. It is a repair for the hardware, not a data recovery method. Summary Table: Controller States Normal Shows Brand Name (e.g., "SanDisk") Firmware and NAND are healthy. Memory Bar Shows Controller Model (e.g., "SM3280AA") Controller is alive; NAND/Firmware is failing. No Media Recognized as a drive but no storage NAND chip is likely physically disconnected or dead.