If the official Transcend driver does not work, or if your device is a "generic" unbranded reader that happens to use the Transcend chip, you can try a generic driver solution.
Here is the breakdown of what that string means and a guide on how to find the correct drivers for it. usb vid214b amppid7250 amprev0100 new
: I am a product of the Jiadong lineage. Product ID (PID) 7250 : I am a 4-port High-Speed Hub. If the official Transcend driver does not work,
Belongs to Huasheng Electronics (also known as Ameco Technologies Shenzhen). They are a major manufacturer of generic USB controller chips used in many affordable computer accessories. usb vid214b amppid7250 amprev0100 new