Alcor Micro Unknown Fa00 F W Fa04 Fixed Jun 2026

Before you do any of the above, ask yourself: Do I need the data on this drive?

Navigate to the Mode tab and verify that Fixed Disk or Pure Disk is checked. 4. Execute the Flash

You cannot use standard formatting tools because Windows cannot communicate with the raw controller chip. You need the specific Alcor Micro Mass Production Tool (MPTool) paired with your exact chip.

: Set to Auto, or manually choose your Flash Vendor matching your ChipGenius readout. alcor micro unknown fa00 f w fa04 fixed

You are now equipped with the knowledge to turn that "Unknown" yellow-banged device back into a functional storage drive. The era of throwing away USB drives because of the FA00 error is over.

To flash the drive, you must use Alcor’s factory utility, or FC MPTool .

Launch ChipGenius or Flash Drive Information Extractor as an Administrator. Look for the following strings in the generated report: : (Should say Alcor Micro) Controller Part-Number : (e.g., AU6989SN, AU6998AN, SC908AN) Before you do any of the above, ask

or similar) is not being correctly identified by standard operating systems or generic repair tools . This can happen due to firmware corruption or physical memory chip failure.

It is strongly recommended to use an older Windows PC (Windows 7 is ideal) as these factory tools often have compatibility issues with modern operating systems. Run the tool as an .

Note: Copy this information down exactly. Downloading a firmware tool for the wrong controller part-number can permanently brick the device. Step 2: Download the Correct AlcorMP Tool Execute the Flash You cannot use standard formatting

Proceed with the fix.

Among all USB controller errors, the Alcor FA00/FA04 code is one of the most recoverable. Unlike SandForce or Phison controllers that often require expensive shorting boxes, the Alcor chip’s ROM mode is easily triggered with a simple pair of tweezers.

The FA04 sub-code is unique because it indicates a . The bootloader loaded, but the second-stage firmware (often version FA04.bin) failed to initialize the flash translation layer.