Before attempting a software fix, you must identify the exact Alcor Micro controller model and flash memory type. Using the wrong tool can permanently "brick" the device.
, ensure it is set to "Auto" or manually select the chip found in Step 1. Execute the Flash:
The error message "Alcor Micro Unknown [FA00] - F/W FA04" indicates that your flash drive's controller (Alcor Micro) is stuck in a "no-FID" or uninitialized state, often appearing as "No Media" or with 0GB capacity. The Technical Fix: AlcorMP Tool
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) alcor micro unknown fa00 f w fa04 fixed
This is the trickiest part. You need to find a version of the AlcorMP tool that supports the FA00 (AU6989) controller series and contains a configuration for your specific Flash ID code. Search for "AlcorMP AU6989" or "AlcorMP FA00". The version numbers can look like v19.07.03.00 or v16.02.19.00 . Community forums like USBDev.ru, 52pojie.cn, and FlashBoot.ru are excellent places to find these tools, often with helpful guides.
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If it works elsewhere, the problem is with your computer’s drivers. Before attempting a software fix, you must identify
Crucial: The MPTool version must match the "F/W FA04" signature. Using the wrong version will brick the drive completely.
If the tool indicates success, safely remove the drive using the "Safely Remove Hardware" icon in Windows. Disconnect and then reconnect the drive. Windows should now detect it as a blank, unformatted disk. You will then need to perform a standard format of the drive (using NTFS or exFAT depending on your needs), which can be done using Windows' native disk management tools.
Step 1: Start AlcorMP.exe -> Click "Driver" button. Step 2: Enter VID/PID (e.g., 058F / 1234). Step 3: Click "Add VID/PID" -> Click "Save InstallDrive". 2. Launch AlcorMP Execute the Flash: The error message "Alcor Micro
This issue commonly occurs with cheaper USB flash drives or card readers that utilize Alcor Micro components. Why is My Alcor Micro Device Not Working? Several factors can lead to this issue:
To find out exactly which tool you need, download a free hardware inspector utility like or ChipGenius .
Set this option to Natural or Capacity Optimize to restore the maximum possible storage space.