Alcor Micro Unknown Fa00 F W Fa04 Fixed Jun 2026

If you have landed on this page, you are likely staring at a USB flash drive that has stopped working. You’ve opened Device Manager on your Windows PC, and under "Universal Serial Bus controllers" or "Other devices," you see a terrifyingly cryptic yellow exclamation mark next to a label that reads:

: Click the Driver button, enter your VID/PID (e.g., 058F 1234), and click Install . Setup/Configuration : Go to Setup (password is usually blank or "888888"). alcor micro unknown fa00 f w fa04 fixed

Note the VID (Vendor ID), PID (Product ID), Controller Part Number (e.g., AU6989SN, AU6998AN), and the Flash ID (e.g., Samsung, Toshiba, or Hynix strings). Phase 2: Finding the Correct AlcorMP Tool If you have landed on this page, you