Summary
Right-click it and select to assign it a new letter (like E: or G:). Technical Specifications Manufacturer Super Top Technology Interface USB 2.0 (Backwards compatible with 3.0/3.1) Max Speed Supported Formats SD, MMC, microSD, MS Pro (Depending on the shell) If you're still having trouble, tell me: What operating system are you using? usb device id vid 14cd pid 1212 link
This is a classic sign of a loose connection in the SATA-to-USB bridge or the drive entering a sleep state and failing to wake up. Summary Right-click it and select to assign it