When the progress bar reaches 100% and shows "Pass" in green:
Your USB drive should now be fully functional with its original capacity.
If the drive is completely dead (no LED, no detection), you can force the controller into test mode by shorting two specific pins on the NAND chip. This is risky but often works for AU6989SNGTC. Search for "Alcor MP short pin method" with visual guides. alcor micro usb repair tool au6989sngtc au6998sn free
Plug your faulty USB drive directly into a motherboard USB 2.0 port. USB 3.0 ports can work but may cause detection issues. USB hubs add instability.
Search for the following specific builds (these are known to support AU6989SN-GTC and AU6998SN): Click OK to save
Disclaimer: The author is not responsible for data loss or hardware damage. Use at your own risk. Always work on a backup of your data.
Have you successfully repaired your AU6989SNGTC drive? Share your experience in the comments below! When the progress bar reaches 100% and shows
Last updated: October 2025 – Verified for Windows 11 22H2