While modern operating systems like Windows 10 and 11 often include generic "Mass Storage Class" drivers that allow basic functionality, installing the official Alcor Micro driver can resolve issues like intermittent disconnects or unrecognized card slots.
The is a highly integrated USB 2.0 Flash Disk Controller chip commonly found in generic USB flash drives, card readers, and MP3 players. If you have plugged a device into a Windows computer and found it unresponsive, or if Windows Update fails to find the necessary software, you likely need to understand how the AU6370 driver works.
Click and browse to the extracted driver folder.
If you see VID_058F (Alcor Micro’s vendor ID) and PID_6364 or 6370 , you have confirmed the Alcor AU6370 chipset.
Check the box at the bottom that says . Click Apply , then OK , and launch the installer again. Alcor Au6370 Driver Windows
If automatic detection fails, you may need to install the driver manually.
Clean the metal contacts of your SD card with isopropyl alcohol. Alternatively, check Disk Management (Windows Key + X > Disk Management) to see if the card appears there without a drive letter assigned. If it does, right-click the partition and select Change Drive Letter and Paths to give it an accessible letter like E: or F: . Safety Warning Regarding Third-Party Driver Sites
When sourcing the driver online, avoid sites that force you to download a custom "Driver Downloader Installer" or "Driver Updater Tool." These programs often contain adware, tracking software, or unwanted malware. Instead, look for repositories that let you download the raw ZIP archive or the standalone executable installer. Always scan any downloaded driver files with Windows Defender before running them. To help narrow down your issue, tell me: What are you currently running?
Check if there is an Alcor Micro driver available and click . Method 2: Download via the PC Manufacturer While modern operating systems like Windows 10 and
If the driver appears healthy in Device Manager but inserting a card produces no response, the issue might be physical cleanliness or formatting.
The chip is commonly found in built-in laptop card readers, external USB multi-card readers, and various PC peripheral devices that require a compact PCB area with fewer components. It operates via USB 2.0 and follows the USB Device Class Definition for Mass Storage.
Run the downloaded .exe installer and follow the on-screen prompts to complete setup. Restart your computer. Method 3: Manual Installation via .inf Files
Browse the list for a version that matches your architecture (x86 for 32-bit, x64 for 64-bit). Click and browse to the extracted driver folder
The Alcor AU6370 adheres to the standard USB Mass Storage Protocol.
Microsoft maintains a massive archive of certified hardware drivers.
driver is essential for maintaining card reader functionality in Windows. By ensuring you have the latest driver via Device Manager or the manufacturer’s site, you can resolve most detection and file transfer issues. Always ensure your Windows installation is up to date to maintain compatibility.
Locate the category labeled , Card Reader , or Storage .
Older installer files may block installation on modern operating systems.