can be used to re-flash the firmware. Be aware that this typically erases all data on the device. Manufacturer Drivers

Many cheap USB drives purchased online claim to be 128GB or 256GB but use cheap, rejected Alcor Micro controllers hacked to display a false capacity. Once you write past their real capacity (often just 8GB or 16GB), the firmware permanently crashes into the [FA00] state.

When a flash drive displays these specific identifiers, it generally indicates a communication failure between the operating system and the hardware: : The manufacturer of the USB controller chip. FA00

Locate the primary (the square chip with pins along the sides) and the larger rectangular NAND Flash Memory Chip .

: This represents the currently flashed firmware version. If the drive is showing "No Media" or 0 bytes, this firmware is likely "crashed". SanDisk Forums How to Fix (USB Flash Drive Repair)

: Keep the power draw set to 200MA to ensure stable power delivery during data modification.

If your computer suddenly stops recognizing your USB flash drive and utility software spits out an error like you are dealing with a classic case of corrupted controller firmware. This specific error is common among budget flash drives, promotional USB sticks, and unbranded memory drives that rely on Alcor Micro Corp. microcontroller units (MCUs).

Search the manufacturer's website or reputable driver repositories (like USBDev.ru ) for "Alcor Micro USB Card Reader Driver." Download the .exe driver package. Run the installer and restart your computer. 3. Uninstall and Reconnect the Hardware Sometimes, the Windows driver stack gets corrupted.

Before trying to flash firmware, it is helpful to know how your drive reached this state:

Many low-cost, high-capacity drives are actually reprogrammed older drives. When the controller re-initializes, it exposes its true (and sometimes broken) underlying firmware. The Recovery Strategy: Getting Your Drive Working Again

To understand how to fix the issue, you must break down what your hardware diagnostic software—typically a tool like ChipGenius or Flash Drive Information Extractor—is trying to tell you:

The flash memory chip may be physically failing. You can try changing the ECC (Error Correction Code) setting in the Setup menu to a higher value (e.g., 12 or 15) to bypass minor hardware degradation.

To fix this, you generally need a Mass Production (MP) tool to reflash the controller. Recommended Recovery Steps

Press . The process may take several minutes as it performs a "Low-Level Format" and re-maps bad sectors. Troubleshooting Common Errors