Avoid “driver updater” tools. Instead, let Windows try first. If that fails, download the driver from a reputable source (e.g., Station-Drivers or laptop OEM support sites), then use Update Driver → Browse my computer → Let me pick from a list → USB Mass Storage Device – surprisingly, that often resolves the issue without the official INF.
Right-click the Alcor device in Device Manager and select . Go to the Power Management tab (if available).
Right-click the Start button and select Device Manager .
Click , select the folder where you unzipped the downloaded driver files, and click Next .
Windows can often find the correct legacy driver in its extended online catalog. Press Windows Key + I to open . Go to Update & Security (or Windows Update on Windows 11). Click on Advanced Options and select Optional Updates . Expand the Driver Updates section. Alcor Au6370 Driver Windows
In , right-click the Alcor Au6370 device and select Uninstall device . Unplug any external card readers (if applicable). Restart your computer.
Restart your computer. Windows will attempt to reinstall a clean copy of the driver upon reboot. 2. Card Reader Disappears After Sleep Mode
Because the AU6370 manages the NAND flash memory, it requires a specific formatting utility known as (Alcor Mass Production Tool).
If you have updated the driver and it still doesn't work, try these steps: 1. Perform a "Cold" Reboot Avoid “driver updater” tools
A: No. This article is strictly for Microsoft Windows. Linux (Ubuntu/Debian) has built-in kernel support for the AU6370 (via the usb-storage module). Mac OS usually requires third-party drivers from a specific SD card reader vendor.
Expand the or Memory technology devices section.
Check the box that says “Attempt to remove the driver for this device” if visible. Click .
Newer driver versions (such as and USB driver 2.0.156.10337 ) have been updated to support Windows 11 version 24H2 and 25H2. Right-click the Alcor device in Device Manager and select
This error usually points to a corrupted driver or a power glitch. Open .
Most modern versions require the appropriate driver for optimal function. Several major OEMs (Lenovo, HP, etc.) have released WHQL-certified driver updates. Driver packages are available from sources such as:
On Windows 10/11, Microsoft often blocks unsigned drivers from older hardware. You may need to restart your computer into "Advanced Startup" mode and select "Disable Driver Signature Enforcement" to install very old AU6370 drivers.
In Device Manager, right-click the Alcor device and select . Go to the Power Management tab.
