Ensure the "Host Port" is set to the correct USB protocol (e.g., 2.0 or 3.0). Execute Mass Production

if possible, as some MP tools struggle with USB 3.0 drivers during the flashing process. Start Flashing: MPALL_F1_...exe to see your drive in the list. to begin the low-level format and firmware burn. HDD GURU FORUMS Troubleshooting Common Errors No Drive Found: Try running the tool on Windows XP or Windows 7 (x86)

You cannot just download any "MPtool.exe" from a random forum. You need the correct version for the PS2251-07.