If your card reader stops working after a Windows update or displays an error code in Device Manager, follow these steps to resolve the issue: 1. Fix Code 10 / Code 43 (Device Cannot Start)
Here are the best places to look for drivers:
Look for or a device with a yellow exclamation mark. Right-click the device and select Update driver . Alcor Au6370 Driver Windows
The Alcor AU6370 is an all-in-one flash memory card reader controller that supports widely used formats such as SD (Secure Digital), MMC (MultiMediaCard), MS (Memory Stick), and xD-Picture Card. Its key features are:
Alcor Micro does not provide public direct downloads for end-users (they supply OEMs like Dell, HP, Lenovo, Acer). Be very careful of third-party "driver updater" websites that bundle malware. If your card reader stops working after a
Once the installation completes, restart your computer. Insert an SD card to verify that the driver has successfully bridged the connection and that your data is fully accessible.
On Windows 11, enabling "Core Isolation" and "Memory Integrity" may flag AlcGener.sys as incompatible. The Microsoft Q&A community suggests: The Alcor AU6370 is an all-in-one flash memory
Expand the or Memory technology devices section.
Microsoft's "Driver Automatic Update" overwrites it. Fix:
For the most stable and secure installation, it is best to use drivers provided by major manufacturers, even if your device is from a different brand, as the underlying Alcor hardware is often the same.
: If the device is detected but won't read cards, use a small amount of isopropyl alcohol