Standard Windows formatting tools cannot fix a corrupted controller microcode. You must gather the exact hardware profile of your USB stick using a specialized utility.
or "No Media," preventing files from being saved or deleted.
If the USB drive contains irreplaceable data, stop all DIY attempts and evaluate these options: alcor micro unknown fa00 f w fa04
However, if you never use a smart card and you’re paranoid, you can always:
If the program does not recognize it, press the button. 3. Setup and Flash (Repair) Standard Windows formatting tools cannot fix a corrupted
If the flashing run stops and drops an error code, use this reference table to adjust your approach: Error Code Error Message Name Root Cause & Resolution Too many bad block error
When a USB flash drive suddenly stops working, shows "No Media," or reads as 0 bytes, diagnostics programs like ChipGenius are often deployed to discover what went wrong. If the resulting readout reveals a , a Controller Part-Number: Unknown [FA00] , and a Firmware version like F/W FA04 (or FA02) , it means the drive's firmware has crashed. If the USB drive contains irreplaceable data, stop
The Alcor Micro "Unknown [FA00]" error, often accompanied by "No Media" or "0 Byte" status, indicates a firmware or controller communication failure, frequently affecting counterfeit or cheap drives. Recovery involves using specialized MPTool or FC_MpTool utilities to re-flash the controller, often requiring specific, modified tool versions based on VID/PID data to successfully re-evaluate memory cells. For comprehensive instructions and software downloads, visit USBDev.ru . Repair of damaged flash drives - elektroda.com
The core of this issue lies with the controller, often identified as the Alcor AU6989SN-TA
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To fix the drive, it helps to understand what the data means: