: Choose a version from USBDev.ru that includes support for your specific controller version.
: Use a tool like ChipGenius or Flash Drive Information Extractor to confirm your controller is an AU6989SN-GTC or AU6998SN . alcor micro usb repair tool au6989sngtc au6998sn link
: Reinstalls the controller's internal software to fix "Write Protection" or "No Media" errors. : Choose a version from USBDev
Official and community-curated links for these specific Alcor controllers are primarily hosted on , which maintains the most comprehensive archive of mass production (MP) tools. alcor micro usb repair tool au6989sngtc au6998sn link
