To fix USB drives that are write-protected, show improper capacity (e.g., 0MB or 8GB instead of 32GB), or cannot be formatted by Windows. Step 1: Identify Your Controller and Flash ID (Crucial)
根据Alcor Micro官方公开的AU6989规格书,该系列主控具备以下核心技术特征:
This diagnosis is your map. Without it, you are navigating blind.
: Use a computer running Windows 7 or Windows 10 (32-bit or 64-bit) . Windows 11 can occasionally block the unsigned low-level legacy hardware drivers bundled with older AlcorMP packages.
A stable version for many SN-GT models. Find it at FlashDrive-Repair . alcor micro usb repair tool au6989sngtc au6998sn link
controller, you typically need a specific "Mass Production" (MP) tool to re-flash the controller and resolve issues like "Write Protected" errors or "No Media" messages. Recommended Repair Tool Alcor MP (Mass Production Tool)
to begin the low-level format and firmware re-flashing process.
: Click the Start (A) button on the right-hand panel to initiate the process.
: Choose a version from USBDev.ru that includes support for your specific controller version. To fix USB drives that are write-protected, show
: Locate the lines labeled Controller Vendor , Controller Part Number , and Flash ID (FID) .
This tool is frequently used to fix "The disk is write protected" errors by performing a low-level format. No Media / 0 Bytes:
: Highly recommended for general users. These modified packages automatically recognize custom, non-standard VID/PID configurations and offer multi-language UI toggles.
Alcor Micro USB Repair Tool: Fix AU6989SN-GTC and AU6998SN Controllers : Use a computer running Windows 7 or
If prompted for a password, leave it blank and press OK (or try "123").
根据上一步识别的主控型号,下载对应版本的AlcorMP量产工具。解压后文件夹中通常包含三个主要exe文件:AutoMP.exe、AlcFmt.exe、AlcorMP.exe。
, GTD, GTE, and TA series. You can find various editions of this tool on repository sites like USBDev.ru or FlashBoot.ru .