Select your USB drive from the upper list and inspect the lower dialog box. Step 2: Note Your Hardware Fingerprint Look for these specific values in the log output: Usually 058F PID (Product ID): Usually 1234 or 6387 Controller Vendor: Alcor Micro
The baseline firmware version or configuration signature programmed into the controller chip during manufacturing.
If the MPTool returns a new error during the flashing process, check the following:
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The identifier "Alcor Micro Unknown FA00 F/W 3613" regularly appears when analyzing mass storage devices with diagnostic tools like ChipGenius or USBDeview. For the average user, seeing an "unknown" device can be concerning. However, for enthusiasts and IT professionals, "FA00" signifies a specific, widespread controller architecture from Alcor Micro, one of the world's leading manufacturers of USB flash drive controllers.
Open AlcorMP.exe . If the drive is not detected, you may need to use to reset the ID to the standard 058F/6387 .
While keeping those two pins bridged, plug the device into the computer's USB port. Select your USB drive from the upper list
Alcor MPTools deploy low-level kernel drivers ( mpszfilt.sys ) that run most stably on 32-bit operating systems (Windows 7 or Windows 10/11 x86). If running on a 64-bit OS, execute the tool in Compatibility Mode as an Administrator.
series. Newer versions are generally preferred for updated flash memory chips. Run as Administrator: AlcorMP.exe
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Before attempting firmware updates, perform a hardware reset, as the controller might just be in a suspended state. Unplug the Alcor Micro device. the computer completely. Unplug the power cord (or remove the battery, if possible). Wait at least 2 minutes. Plug everything back in and boot up. Method 2: Driver Reinstallation
Insert the faulty Alcor Micro flash drive into a directly connected to your motherboard. Avoid using front-panel case ports or unpowered external hubs.