When the firmware on these controllers becomes corrupted, the computer may not recognize the drive, or it may show incorrect capacity. The Alcor firmware tool (often a variant of AlcorMP or Alcor Recovery Tool) acts as a low-level formatting utility that directly communicates with the controller to:
Fix corrupted firmware causing "no media" errors. Usb-firmware-tool-alcor-au6366-au6371
Fix drives that cannot be formatted or written to. When the firmware on these controllers becomes corrupted,
Before downloading any firmware tool, you must confirm that your USB drive specifically uses the chip. Usb-firmware-tool-alcor-au6366-au6371