Alcor Micro Unknown Fa00 F W Fa04 Fixed Jun 2026

If you are seeing this error, your USB drive likely has a "no media" or "0 byte" status due to firmware corruption. To fix it: Identify the Real Controller : Use a diagnostic utility like ChipGenius to find the actual VID (Vendor ID) PID (Product ID) . For Alcor devices, these are often Use AlcorMP (Mass Production Tool) Download the version of that matches your specific controller model. AlcorMP.exe and click the Enter your ) and click Add VID/PID

However, the device you see as "Unknown" is reporting VID_058F&PID_FA00 . alcor micro unknown fa00 f w fa04 fixed

To fix this error, you must use a production tool (MPTool) specifically compatible with the AU6989SN-TA Identify the Chip : Confirm your device details using a tool like ChipGenius to verify the VID/PID and controller model. Download the MPTool : Look for versions compatible with the AU6989SN series (e.g., ALCOR_U2_MP_v20.09.04.00 or newer) from specialized repositories like Configure Driver Open the MPTool and click the Enter your device's VID/PID (commonly Add VID/PID Save InstallDrive Detect the Drive If you are seeing this error, your USB

To fix this specific error, users typically follow standard mass production recovery procedures. Note that 1. Identify the Physical Controller AlcorMP

The process destroys all data permanently. The MP tool does not just delete files; it regenerates the controller’s bad block table and writes new firmware. It is a factory reset.

: Click Start (A) . The tool will format the NAND and write new firmware. This may take 5–30 minutes depending on the "Scan Level" chosen. 4. Post-Fix Verification

Once your Alcor Micro drive is fixed, prevent future FA00 errors by: Always using the option. Avoiding cheap, unbranded USB chargers for data transfer.