Before attempting complex firmware flashes, try a clean driver reset: Open (Win + X). Expand Universal Serial Bus controllers or Memory technology devices . Right-click the Alcorlink USB 2.0 Card Reader or the "Unknown Device" and select Uninstall device .

The "FA00" identifier is often a generic placeholder for Alcor controllers like the or AU6989SNCS-TA

Generic Windows updates can sometimes cause Alcor devices to stall. If you are on a laptop, download the official OEM driver:

Check the box to if available.