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Sometimes Blancco Drive Eraser / Blancco 5 might not be detect connected SATA hard drives (one or more). Usually this happens because

For SATA drives:

  • This can happen if the hard drives have been set to IDE/ATA mode in BIOS.
    • SATA drives need to be set in either "AHCI" or "SATA native" mode (or similar) from BIOS/UEFI


    • .

For NVMe drives:

  • Some devices require the BIOS/UEFI to be switched from RAID to AHCI mode in order to successfully present the drive to the system.
    • If the device's controller doesn't support AHCI mode, you can remove the drive from the machine and run the erasure by connecting the drive to a supported machine.