If the device is detected but not mounting on Linux, users on Stack Exchange suggest adding a "quirk" to the usb-storage module to disable UAS (USB Attached Storage). Repair Tools:
Many users report that the (RTS5121, RTS5139, RTS5179) overwrites and fixes the Super Top ID. The driver signature includes a fallback for generic 14CD devices.
If your card reader drops drops out or fails to mount under a modern Linux environment, you must force the kernel to bypass UAS and use a generic, older USB-storage protocol fallback. Open your terminal emulator. usb device id vid 14cd pid 1212 link
The USB device with VID 14CD and PID 1212 is almost certainly a generic, low-cost optical mouse manufactured by or on behalf of Shenzhen Riwa Technology. It functions as a standard HID mouse with no proprietary drivers required. While the device is safe for routine use, organizations with high security requirements should be aware of its generic nature and potential origin from unverified supply chains.
:: Open Command Prompt as Administrator and execute: diskpart list disk Use code with caution. If the device is detected but not mounting
microSD card reader (SY-T18) — USB 14CD:1212 — DeviceHunt. Home / Super Top / 1212. devicehunt.com Why is my brand new USB memory not visible?
Restart your computer to allow Windows to reinstall the controller automatically. Where to Find the Driver Link If your card reader drops drops out or
If your device is not recognized, it typically uses the standard Windows USB Mass Storage Device class driver ( usbstor.sys